MAX driver protection

* Adjust label position for readability
* Protected R1OUT-R3OUT of MAX driver with OR gate

10 files changed, 1203 insertions, 812 deletions

diff --git a/kicad/audio.sch b/kicad/audio.sch
index af2e3f3..ae3f9d8 100644
--- a/kicad/audio.sch
+++ b/kicad/audio.sch
@@ -3,10 +3,10 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 4 4
+Sheet 5 5
 Title "cat-a-hack"
 Date ""
-Rev "r1"
+Rev "r2"
 Comp "Vasile Vilvoiu (YO7JBP)"
 Comment1 "CAT and audio hackable isolation board"
 Comment2 "Audio interface"
@@ -367,13 +367,13 @@ $EndComp
 Text GLabel 10000 2700 0    50   Input ~ 0
 XCVR_13V8
 $Comp
-L Device:C_Small C19
+L Device:C_Small C20
 U 1 1 5FC37879
 P 10250 3400
-AR Path="/5F9E817D/5FC37879" Ref="C19"  Part="1" 
+AR Path="/5F9E817D/5FC37879" Ref="C20"  Part="1" 
 AR Path="/5F9E7705/5FC37879" Ref="C?"  Part="1" 
-F 0 "C19" H 10150 3500 50  0000 L CNN
-F 1 "100n" H 10300 3500 50  0000 L CNN
+F 0 "C20" H 10100 3500 50  0000 L CNN
+F 1 "100n" V 10350 3300 50  0000 L CNN
 F 2 "" H 10250 3400 50  0001 C CNN
 F 3 "~" H 10250 3400 50  0001 C CNN
 	1    10250 3400
@@ -422,9 +422,9 @@ P 10650 3150
 AR Path="/5FDABC92" Ref="R?"  Part="1" 
 AR Path="/5F9D7A3C/5FDABC92" Ref="R?"  Part="1" 
 AR Path="/5F9E7705/5FDABC92" Ref="R?"  Part="1" 
-AR Path="/5F9E817D/5FDABC92" Ref="R24"  Part="1" 
-F 0 "R24" H 10750 3200 50  0000 C CNN
-F 1 "2.2k" H 10800 3100 50  0000 C CNN
+AR Path="/5F9E817D/5FDABC92" Ref="R30"  Part="1" 
+F 0 "R30" H 10550 3150 50  0000 C CNN
+F 1 "2.2k" V 10750 3150 50  0000 C CNN
 F 2 "" H 10650 3150 50  0001 C CNN
 F 3 "~" H 10650 3150 50  0001 C CNN
 	1    10650 3150
@@ -438,7 +438,7 @@ AR Path="/5FDABC98" Ref="D?"  Part="1"
 AR Path="/5F9D7A3C/5FDABC98" Ref="D?"  Part="1" 
 AR Path="/5F9E7705/5FDABC98" Ref="D?"  Part="1" 
 AR Path="/5F9E817D/5FDABC98" Ref="D10"  Part="1" 
-F 0 "D10" V 10650 3650 50  0000 C CNN
+F 0 "D10" V 10650 3700 50  0000 C CNN
 F 1 "BG1102W-TR" H 10550 3400 50  0000 C CNN
 F 2 "" H 10650 3550 50  0001 C CNN
 F 3 "~" H 10650 3550 50  0001 C CNN
@@ -482,7 +482,7 @@ U 1 1 5FF738C4
 P 8450 3250
 AR Path="/5F9E7705/5FF738C4" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF738C4" Ref="JP14"  Part="1" 
-F 0 "JP14" H 8550 3300 50  0000 C CNN
+F 0 "JP14" H 8600 3300 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 8450 3364 50  0001 C CNN
 F 2 "" H 8450 3250 50  0001 C CNN
 F 3 "~" H 8450 3250 50  0001 C CNN
@@ -501,7 +501,7 @@ U 1 1 5FF7A2F0
 P 8450 3450
 AR Path="/5F9E7705/5FF7A2F0" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7A2F0" Ref="JP15"  Part="1" 
-F 0 "JP15" H 8550 3500 50  0000 C CNN
+F 0 "JP15" H 8600 3500 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 8450 3564 50  0001 C CNN
 F 2 "" H 8450 3450 50  0001 C CNN
 F 3 "~" H 8450 3450 50  0001 C CNN
@@ -514,7 +514,7 @@ U 1 1 5FF7BC41
 P 8400 4500
 AR Path="/5F9E7705/5FF7BC41" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7BC41" Ref="JP13"  Part="1" 
-F 0 "JP13" H 8500 4550 50  0000 C CNN
+F 0 "JP13" H 8550 4550 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 8400 4614 50  0001 C CNN
 F 2 "" H 8400 4500 50  0001 C CNN
 F 3 "~" H 8400 4500 50  0001 C CNN
@@ -529,7 +529,7 @@ U 1 1 5FF7B162
 P 8400 4300
 AR Path="/5F9E7705/5FF7B162" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7B162" Ref="JP12"  Part="1" 
-F 0 "JP12" H 8500 4350 50  0000 C CNN
+F 0 "JP12" H 8550 4350 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 8400 4414 50  0001 C CNN
 F 2 "" H 8400 4300 50  0001 C CNN
 F 3 "~" H 8400 4300 50  0001 C CNN
@@ -542,7 +542,7 @@ U 1 1 5FF7DD37
 P 5000 3250
 AR Path="/5F9E7705/5FF7DD37" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7DD37" Ref="JP10"  Part="1" 
-F 0 "JP10" H 5100 3300 50  0000 C CNN
+F 0 "JP10" H 5150 3300 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 5000 3364 50  0001 C CNN
 F 2 "" H 5000 3250 50  0001 C CNN
 F 3 "~" H 5000 3250 50  0001 C CNN
@@ -555,7 +555,7 @@ U 1 1 5FF7F2F6
 P 4450 3250
 AR Path="/5F9E7705/5FF7F2F6" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7F2F6" Ref="JP8"  Part="1" 
-F 0 "JP8" H 4550 3300 50  0000 C CNN
+F 0 "JP8" H 4600 3300 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 4450 3364 50  0001 C CNN
 F 2 "" H 4450 3250 50  0001 C CNN
 F 3 "~" H 4450 3250 50  0001 C CNN
@@ -572,7 +572,7 @@ U 1 1 5FF8015D
 P 5000 3750
 AR Path="/5F9E7705/5FF8015D" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF8015D" Ref="JP11"  Part="1" 
-F 0 "JP11" H 5100 3800 50  0000 C CNN
+F 0 "JP11" H 5150 3800 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 5000 3864 50  0001 C CNN
 F 2 "" H 5000 3750 50  0001 C CNN
 F 3 "~" H 5000 3750 50  0001 C CNN
@@ -591,7 +591,7 @@ U 1 1 5FF7F79F
 P 4450 3750
 AR Path="/5F9E7705/5FF7F79F" Ref="JP?"  Part="1" 
 AR Path="/5F9E817D/5FF7F79F" Ref="JP9"  Part="1" 
-F 0 "JP9" H 4550 3800 50  0000 C CNN
+F 0 "JP9" H 4600 3800 50  0000 C CNN
 F 1 "SolderJumper_2_Bridged" H 4450 3864 50  0001 C CNN
 F 2 "" H 4450 3750 50  0001 C CNN
 F 3 "~" H 4450 3750 50  0001 C CNN
diff --git a/kicad/catahack-cache.lib b/kicad/catahack-cache.lib
index 8c6f0f4..8bdcca7 100644
--- a/kicad/catahack-cache.lib
+++ b/kicad/catahack-cache.lib
@@ -530,6 +530,58 @@ X +Vo 4 400 150 100 L 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# custom_SN74HCT32D
+#
+DEF custom_SN74HCT32D U 0 40 Y Y 1 F N
+F0 "U" -75 1175 50 H V C CNN
+F1 "custom_SN74HCT32D" -25 1100 50 H V C CNN
+F2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" 2175 475 50 H I C CNN
+F3 "" -75 1175 50 H I C CNN
+DRAW
+A -125 100 90 563 -563 0 1 0 N -75 175 -75 25
+A -60 18 158 313 955 0 1 0 N 75 100 -75 175
+A -125 -650 90 563 -563 1 1 0 N -75 -575 -75 -725
+A -125 -400 90 563 -563 1 1 0 N -75 -325 -75 -475
+A -125 -150 90 563 -563 1 1 0 N -75 -75 -75 -225
+A -60 -732 158 313 955 1 1 0 N 75 -650 -75 -575
+A -60 -568 158 -955 -313 1 1 0 N -75 -725 75 -650
+A -60 -482 158 313 955 1 1 0 N 75 -400 -75 -325
+A -60 -318 158 -955 -313 1 1 0 N -75 -475 75 -400
+A -60 -232 158 313 955 1 1 0 N 75 -150 -75 -75
+A -60 -68 158 -955 -313 1 1 0 N -75 -225 75 -150
+A -60 182 158 -955 -313 1 1 0 N -75 25 75 100
+S -300 400 300 -950 0 1 0 f
+S 300 400 300 400 0 1 0 N
+S 300 400 300 400 0 1 0 N
+P 2 0 1 0 -50 50 -100 50 N
+P 2 0 1 0 -50 150 -100 150 N
+P 2 0 1 0 75 100 125 100 N
+P 2 1 1 0 -50 -700 -100 -700 N
+P 2 1 1 0 -50 -600 -100 -600 N
+P 2 1 1 0 -50 -450 -100 -450 N
+P 2 1 1 0 -50 -350 -100 -350 N
+P 2 1 1 0 -50 -200 -100 -200 N
+P 2 1 1 0 -50 -100 -100 -100 N
+P 2 1 1 0 75 -650 125 -650 N
+P 2 1 1 0 75 -400 125 -400 N
+P 2 1 1 0 75 -150 125 -150 N
+X 1A 1 -400 150 100 R 50 50 1 1 I
+X 3B 10 -400 -450 100 R 50 50 1 1 I
+X 4Y 11 400 -650 100 L 50 50 1 1 O
+X 4A 12 -400 -600 100 R 50 50 1 1 I
+X 4B 13 -400 -700 100 R 50 50 1 1 I
+X Vcc 14 0 500 100 D 50 50 1 1 W
+X 1B 2 -400 50 100 R 50 50 1 1 I
+X 1Y 3 400 100 100 L 50 50 1 1 O
+X 2A 4 -400 -100 100 R 50 50 1 1 I
+X 2B 5 -400 -200 100 R 50 50 1 1 I
+X 2Y 6 400 -150 100 L 50 50 1 1 O
+X GND 7 0 -1050 100 U 50 50 1 1 W
+X 3Y 8 400 -400 100 L 50 50 1 1 O
+X 3A 9 -400 -350 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
 # custom_Si8663AB-B-IS1
 #
 DEF custom_Si8663AB-B-IS1 IC 0 30 Y Y 1 F N
diff --git a/kicad/catahack-rescue.dcm b/kicad/catahack-rescue.dcm
new file mode 100644
index 0000000..5f3ed79
--- /dev/null
+++ b/kicad/catahack-rescue.dcm
@@ -0,0 +1,3 @@
+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library
diff --git a/kicad/catahack-rescue.lib b/kicad/catahack-rescue.lib
new file mode 100644
index 0000000..6577bc2
--- /dev/null
+++ b/kicad/catahack-rescue.lib
@@ -0,0 +1,54 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# SN74HCT32D-custom
+#
+DEF SN74HCT32D-custom U 0 40 Y Y 1 F N
+F0 "U" -525 775 50 H V C CNN
+F1 "SN74HCT32D-custom" -475 700 50 H V C CNN
+F2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" -525 775 50 H I C CNN
+F3 "" -525 775 50 H I C CNN
+DRAW
+A -150 100 112 634 -634 0 1 0 N -100 200 -100 0
+A -90 -30 230 925 344 0 1 0 N -100 200 100 100
+A -150 -800 112 634 -634 1 1 0 N -100 -700 -100 -900
+A -150 -500 112 634 -634 1 1 0 N -100 -400 -100 -600
+A -150 -200 112 634 -634 1 1 0 N -100 -100 -100 -300
+A -90 -930 230 925 344 1 1 0 N -100 -700 100 -800
+A -90 -670 230 -344 -925 1 1 0 N 100 -800 -100 -900
+A -90 -630 230 925 344 1 1 0 N -100 -400 100 -500
+A -90 -370 230 -344 -925 1 1 0 N 100 -500 -100 -600
+A -90 -330 230 925 344 1 1 0 N -100 -100 100 -200
+A -90 -70 230 -344 -925 1 1 0 N 100 -200 -100 -300
+A -90 230 230 -344 -925 1 1 0 N 100 100 -100 0
+S -350 450 350 -1150 0 1 0 f
+P 2 0 1 0 -150 50 -50 50 N
+P 2 0 1 0 -150 150 -50 150 N
+P 2 0 1 0 100 100 150 100 N
+P 2 1 1 0 -150 -850 -50 -850 N
+P 2 1 1 0 -150 -750 -50 -750 N
+P 2 1 1 0 -150 -550 -50 -550 N
+P 2 1 1 0 -150 -450 -50 -450 N
+P 2 1 1 0 -150 -250 -50 -250 N
+P 2 1 1 0 -150 -150 -50 -150 N
+P 2 1 1 0 100 -800 150 -800 N
+P 2 1 1 0 100 -500 150 -500 N
+P 2 1 1 0 100 -200 150 -200 N
+X 1A 1 -450 150 100 R 50 50 1 1 I
+X 3B 10 -450 -550 100 R 50 50 1 1 I
+X 4Y 11 450 -800 100 L 50 50 1 1 O
+X 4A 12 -450 -750 100 R 50 50 1 1 I
+X 4B 13 -450 -850 100 R 50 50 1 1 I
+X Vcc 14 0 550 100 D 50 50 1 1 W
+X 1B 2 -450 50 100 R 50 50 1 1 I
+X 1Y 3 450 100 100 L 50 50 1 1 O
+X 2A 4 -450 -150 100 R 50 50 1 1 I
+X 2B 5 -450 -250 100 R 50 50 1 1 I
+X 2Y 6 450 -200 100 L 50 50 1 1 O
+X GND 7 0 -1250 100 U 50 50 1 1 W
+X 3Y 8 450 -500 100 L 50 50 1 1 O
+X 3A 9 -450 -450 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/kicad/catahack.pro b/kicad/catahack.pro
index 5f417ea..0be810a 100644
--- a/kicad/catahack.pro
+++ b/kicad/catahack.pro
@@ -1,4 +1,4 @@
-update=11/1/2020 3:59:04 PM
+update=11/1/2020 6:30:21 PM
 version=1
 last_client=kicad
 [general]
diff --git a/kicad/catahack.sch b/kicad/catahack.sch
index 7c1f5de..63348fc 100644
--- a/kicad/catahack.sch
+++ b/kicad/catahack.sch
@@ -3,10 +3,10 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 1 4
+Sheet 1 5
 Title "cat-a-hack"
 Date ""
-Rev "r1"
+Rev "r2"
 Comp "Vasile Vilvoiu (YO7JBP)"
 Comment1 "CAT and audio hackable isolation board"
 Comment2 ""
diff --git a/kicad/data.sch b/kicad/data.sch
index 64ff422..a22b783 100644
--- a/kicad/data.sch
+++ b/kicad/data.sch
@@ -3,10 +3,10 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 3 4
+Sheet 3 5
 Title "cat-a-hack"
 Date ""
-Rev "r1"
+Rev "r2"
 Comp "Vasile Vilvoiu (YO7JBP)"
 Comment1 "CAT and audio hackable isolation board"
 Comment2 "UART interface"
@@ -95,8 +95,8 @@ L Device:R_Small R?
 U 1 1 5FABC8E5
 P 1550 3950
 AR Path="/5FABC8E5" Ref="R?"  Part="1" 
-AR Path="/5F9E7705/5FABC8E5" Ref="R2"  Part="1" 
-F 0 "R2" V 1450 3950 50  0000 C CNN
+AR Path="/5F9E7705/5FABC8E5" Ref="R8"  Part="1" 
+F 0 "R8" V 1450 3950 50  0000 C CNN
 F 1 "15k" V 1650 3950 50  0000 C CNN
 F 2 "" H 1550 3950 50  0001 C CNN
 F 3 "~" H 1550 3950 50  0001 C CNN
@@ -123,8 +123,8 @@ L Connector_Generic:Conn_01x02 J?
 U 1 1 5FAF9339
 P 10900 1200
 AR Path="/5FAF9339" Ref="J?"  Part="1" 
-AR Path="/5F9E7705/5FAF9339" Ref="J7"  Part="1" 
-F 0 "J7" H 10980 1192 50  0000 L CNN
+AR Path="/5F9E7705/5FAF9339" Ref="J6"  Part="1" 
+F 0 "J6" H 10980 1192 50  0000 L CNN
 F 1 "XCVR_PTT" H 10750 1000 50  0000 L CNN
 F 2 "" H 10900 1200 50  0001 C CNN
 F 3 "~" H 10900 1200 50  0001 C CNN
@@ -136,8 +136,8 @@ L Connector_Generic:Conn_01x03 J?
 U 1 1 5FB0EB81
 P 8200 1200
 AR Path="/5FB0EB81" Ref="J?"  Part="1" 
-AR Path="/5F9E7705/5FB0EB81" Ref="J5"  Part="1" 
-F 0 "J5" H 8150 1400 50  0000 L CNN
+AR Path="/5F9E7705/5FB0EB81" Ref="J4"  Part="1" 
+F 0 "J4" H 8150 1400 50  0000 L CNN
 F 1 "PTT choice" H 8000 1000 50  0000 L CNN
 F 2 "" H 8200 1200 50  0001 C CNN
 F 3 "~" H 8200 1200 50  0001 C CNN
@@ -175,8 +175,8 @@ L Device:R_Small R?
 U 1 1 5FB18AF8
 P 8950 1200
 AR Path="/5FB18AF8" Ref="R?"  Part="1" 
-AR Path="/5F9E7705/5FB18AF8" Ref="R21"  Part="1" 
-F 0 "R21" V 8850 1200 50  0000 C CNN
+AR Path="/5F9E7705/5FB18AF8" Ref="R23"  Part="1" 
+F 0 "R23" V 8850 1200 50  0000 C CNN
 F 1 "1k" V 9050 1200 50  0000 C CNN
 F 2 "" H 8950 1200 50  0001 C CNN
 F 3 "~" H 8950 1200 50  0001 C CNN
@@ -184,34 +184,6 @@ F 3 "~" H 8950 1200 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C_Small C?
-U 1 1 5FB75313
-P 10150 3000
-AR Path="/5FB75313" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/5FB75313" Ref="C15"  Part="1" 
-F 0 "C15" V 10250 3000 50  0000 C CNN
-F 1 "100n" V 10050 3000 50  0000 C CNN
-F 2 "" H 10150 3000 50  0001 C CNN
-F 3 "~" H 10150 3000 50  0001 C CNN
-	1    10150 3000
-	0    -1   -1   0   
-$EndComp
-Text GLabel 10450 3400 2    50   Input ~ 0
-XCVR_GND
-$Comp
-L Device:C_Small C?
-U 1 1 5FB75339
-P 10150 3400
-AR Path="/5FB75339" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/5FB75339" Ref="C16"  Part="1" 
-F 0 "C16" V 10250 3400 50  0000 C CNN
-F 1 "100n" V 10050 3400 50  0000 C CNN
-F 2 "" H 10150 3400 50  0001 C CNN
-F 3 "~" H 10150 3400 50  0001 C CNN
-	1    10150 3400
-	0    -1   -1   0   
-$EndComp
-$Comp
 L Device:LED D?
 U 1 1 5FAEABDF
 P 5950 3650
@@ -327,8 +299,8 @@ U 1 1 5FD78EB1
 P 2000 1500
 AR Path="/5FD78EB1" Ref="#PWR?"  Part="1" 
 AR Path="/5F9D7A3C/5FD78EB1" Ref="#PWR?"  Part="1" 
-AR Path="/5F9E7705/5FD78EB1" Ref="#PWR07"  Part="1" 
-F 0 "#PWR07" H 2000 1250 50  0001 C CNN
+AR Path="/5F9E7705/5FD78EB1" Ref="#PWR09"  Part="1" 
+F 0 "#PWR09" H 2000 1250 50  0001 C CNN
 F 1 "GND" H 2000 1350 50  0000 C CNN
 F 2 "" H 2000 1500 50  0001 C CNN
 F 3 "" H 2000 1500 50  0001 C CNN
@@ -355,8 +327,8 @@ U 1 1 5FD78EC7
 P 2250 1200
 AR Path="/5FD78EC7" Ref="FB?"  Part="1" 
 AR Path="/5F9D7A3C/5FD78EC7" Ref="FB?"  Part="1" 
-AR Path="/5F9E7705/5FD78EC7" Ref="FB1"  Part="1" 
-F 0 "FB1" V 2100 1200 50  0000 C CNN
+AR Path="/5F9E7705/5FD78EC7" Ref="FB2"  Part="1" 
+F 0 "FB2" V 2100 1200 50  0000 C CNN
 F 1 "Fe" V 2350 1200 50  0000 C CNN
 F 2 "" V 2180 1200 50  0001 C CNN
 F 3 "~" H 2250 1200 50  0001 C CNN
@@ -555,7 +527,7 @@ F 3 "~" H 4900 1200 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 Text GLabel 6450 2600 2    50   Input ~ 0
-UART_BUS
+UART
 Entry Wire Line
 	6250 1950 6350 2050
 Entry Wire Line
@@ -600,10 +572,6 @@ Wire Wire Line
 Wire Wire Line
 	9050 1300 9050 1350
 Wire Wire Line
-	10350 3000 10250 3000
-Wire Wire Line
-	10350 3400 10250 3400
-Wire Wire Line
 	6450 3650 6600 3650
 Wire Wire Line
 	6100 3650 6250 3650
@@ -716,8 +684,8 @@ L Connector_Generic:Conn_01x06 J?
 U 1 1 5FB135D4
 P 5900 1000
 AR Path="/5FB135D4" Ref="J?"  Part="1" 
-AR Path="/5F9E7705/5FB135D4" Ref="J4"  Part="1" 
-F 0 "J4" H 6000 750 50  0000 L CNN
+AR Path="/5F9E7705/5FB135D4" Ref="J3"  Part="1" 
+F 0 "J3" H 6000 750 50  0000 L CNN
 F 1 "FTDI header" H 5700 600 50  0000 L CNN
 F 2 "" H 5900 1000 50  0001 C CNN
 F 3 "~" H 5900 1000 50  0001 C CNN
@@ -854,633 +822,331 @@ Wire Wire Line
 Wire Wire Line
 	2550 1200 2550 1100
 Connection ~ 2550 1200
-$Comp
-L custom:MAX3387ECUG+ U6
-U 1 1 60048EC4
-P 8400 3000
-F 0 "U6" H 9150 2500 50  0000 C CNN
-F 1 "MAX3387ECUG+" H 9150 2400 50  0000 C CNN
-F 2 "SOP65P640X110-24N" H 11800 3000 50  0001 L CNN
-F 3 "" H 10200 3600 50  0001 L CNN
-F 4 "MAX3387ECUG+, Multichannel Line Transceiver, EIA/TIA-232, RS-232, V.24, V.28 3 3 3 250kbit/s, 3  5.5 V, 24-Pin" H 11750 2650 50  0001 L CNN "Description"
-F 5 "1.1" H 10200 3400 50  0001 L CNN "Height"
-F 6 "700-MAX3387ECUG" H 11800 3100 50  0001 L CNN "Mouser Part Number"
-F 7 "https://www.mouser.co.uk/ProductDetail/Maxim-Integrated/MAX3387ECUG%2b?qs=1THa7WoU59HIOZvt2U3ItQ%3D%3D" H 11750 2350 50  0001 L CNN "Mouser Price/Stock"
-F 8 "Maxim Integrated" H 11800 2900 50  0001 L CNN "Manufacturer_Name"
-F 9 "MAX3387ECUG+" H 11800 2800 50  0001 L CNN "Manufacturer_Part_Number"
-	1    8400 3000
-	1    0    0    -1  
-$EndComp
-Text Notes 7150 2300 0    157  ~ 31
-RS232 line driver
-$Comp
-L Device:C_Small C?
-U 1 1 6005CF1E
-P 8100 3000
-AR Path="/6005CF1E" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/6005CF1E" Ref="C13"  Part="1" 
-F 0 "C13" V 8050 2900 50  0000 C CNN
-F 1 "100n" V 8050 3150 50  0000 C CNN
-F 2 "" H 8100 3000 50  0001 C CNN
-F 3 "~" H 8100 3000 50  0001 C CNN
-	1    8100 3000
-	0    1    1    0   
-$EndComp
-Wire Wire Line
-	8400 3000 8200 3000
-Wire Wire Line
-	8000 3000 7950 3000
-Wire Wire Line
-	7950 3000 7950 3100
-Wire Wire Line
-	7950 3100 8400 3100
-$Comp
-L Device:C_Small C?
-U 1 1 6006969E
-P 8100 3300
-AR Path="/6006969E" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/6006969E" Ref="C14"  Part="1" 
-F 0 "C14" V 8050 3200 50  0000 C CNN
-F 1 "100n" V 8050 3450 50  0000 C CNN
-F 2 "" H 8100 3300 50  0001 C CNN
-F 3 "~" H 8100 3300 50  0001 C CNN
-	1    8100 3300
-	0    1    1    0   
-$EndComp
-Wire Wire Line
-	8200 3300 8400 3300
-Wire Wire Line
-	8000 3300 7950 3300
-Wire Wire Line
-	7950 3300 7950 3400
-Wire Wire Line
-	7950 3400 8400 3400
-Wire Wire Line
-	9900 3400 10050 3400
-Wire Wire Line
-	10050 3000 9900 3000
-Wire Wire Line
-	10350 3000 10350 3400
-Wire Wire Line
-	10350 3400 10450 3400
-Connection ~ 10350 3400
-Wire Wire Line
-	9050 4900 9050 5000
-Text GLabel 7800 4600 0    50   Input ~ 0
-XCVR_UART_BUS
-Wire Bus Line
-	7800 4600 7900 4600
-Entry Wire Line
-	7900 3850 8000 3750
-Entry Wire Line
-	7900 3950 8000 3850
-Entry Wire Line
-	7900 4050 8000 3950
-Entry Wire Line
-	7900 4300 8000 4200
-Entry Wire Line
-	7900 4400 8000 4300
-Entry Wire Line
-	7900 4500 8000 4400
-Wire Wire Line
-	8000 3750 8400 3750
-Wire Wire Line
-	8000 3850 8400 3850
-Wire Wire Line
-	8000 3950 8400 3950
-Wire Wire Line
-	8000 4200 8400 4200
-Wire Wire Line
-	8000 4300 8400 4300
-Wire Wire Line
-	8000 4400 8400 4400
-Text Label 8000 4200 0    50   ~ 0
-XCVR_TXD
-Text Label 8000 4300 0    50   ~ 0
-XCVR_RTS
-Text Label 8000 4400 0    50   ~ 0
-XCVR_DTR
-Text Label 8000 3750 0    50   ~ 0
-XCVR_RXD
-$Comp
-L Connector_Generic:Conn_01x08 J?
-U 1 1 5FAF934F
-P 10250 5500
-AR Path="/5FAF934F" Ref="J?"  Part="1" 
-AR Path="/5F9E7705/5FAF934F" Ref="J6"  Part="1" 
-F 0 "J6" H 10150 5900 50  0000 L CNN
-F 1 "XCVR_CAT_RS232" H 9700 5000 50  0000 L CNN
-F 2 "" H 10250 5500 50  0001 C CNN
-F 3 "~" H 10250 5500 50  0001 C CNN
-	1    10250 5500
-	1    0    0    -1  
-$EndComp
-Text GLabel 10800 6000 3    50   Input ~ 0
-XCVR_GND
-Text GLabel 10800 4900 1    50   Input ~ 0
-XCVR_13V8
-Entry Wire Line
-	10500 3750 10600 3850
-Entry Wire Line
-	10500 3850 10600 3950
-Entry Wire Line
-	10500 3950 10600 4050
-Entry Wire Line
-	10500 4200 10600 4300
-Entry Wire Line
-	10500 4300 10600 4400
-Entry Wire Line
-	10500 4400 10600 4500
-Text Label 8000 3850 0    50   ~ 0
-XCVR_CTS
-Text Label 8000 3950 0    50   ~ 0
-XCVR_DSR
-Text Label 9950 4200 0    50   ~ 0
-RS232_TXD
-Text Label 9950 4300 0    50   ~ 0
-RS232_RTS
-Text Label 9950 4400 0    50   ~ 0
-RS232_DTR
-Text Label 9950 3750 0    50   ~ 0
-RS232_RXD
-Text Label 9950 3850 0    50   ~ 0
-RS232_CTS
-Text Label 9950 3950 0    50   ~ 0
-RS232_DSR
-Wire Wire Line
-	9900 3750 10500 3750
-Wire Wire Line
-	9900 3850 10500 3850
-Wire Wire Line
-	9900 3950 10500 3950
-Wire Wire Line
-	9900 4200 10500 4200
-Wire Wire Line
-	9900 4300 10500 4300
-Wire Wire Line
-	9900 4400 10500 4400
-Entry Wire Line
-	9500 5200 9600 5300
-Entry Wire Line
-	9500 5300 9600 5400
-Entry Wire Line
-	9500 5800 9600 5900
-Entry Wire Line
-	9500 5500 9600 5600
-Entry Wire Line
-	9500 5600 9600 5700
-Entry Wire Line
-	9500 5700 9600 5800
-Text Label 9600 5300 0    50   ~ 0
-RS232_TXD
-Text Label 9600 5400 0    50   ~ 0
-RS232_RXD
-Text Label 9600 5600 0    50   ~ 0
-RS232_RTS
-Text Label 9600 5700 0    50   ~ 0
-RS232_CTS
-Text Label 9600 5800 0    50   ~ 0
-RS232_DTR
-Text Label 9600 5900 0    50   ~ 0
-RS232_DSR
-Wire Notes Line
-	7000 500  7000 6500
-Text Notes 550  4800 0    157  ~ 31
+Text Notes 550  4750 0    157  ~ 31
 UART isolation + crossover
-Text GLabel 10750 2550 2    50   Input ~ 0
-XCVR_5V
-$Comp
-L Device:C_Small C?
-U 1 1 6025A677
-P 10350 2800
-AR Path="/6025A677" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/6025A677" Ref="C17"  Part="1" 
-F 0 "C17" H 10200 2800 50  0000 C CNN
-F 1 "100n" H 10200 2900 50  0000 C CNN
-F 2 "" H 10350 2800 50  0001 C CNN
-F 3 "~" H 10350 2800 50  0001 C CNN
-	1    10350 2800
-	-1   0    0    1   
-$EndComp
-Wire Wire Line
-	10350 2900 10350 3000
-Connection ~ 10350 3000
-Wire Wire Line
-	9050 2600 9050 2550
-Wire Wire Line
-	9050 2550 9150 2550
-Wire Wire Line
-	10350 2550 10350 2700
-Wire Wire Line
-	9150 2600 9150 2550
-Connection ~ 9150 2550
-Wire Wire Line
-	9150 2550 9250 2550
-Wire Wire Line
-	9250 2600 9250 2550
-Connection ~ 9250 2550
-Wire Wire Line
-	9250 2550 10350 2550
-Wire Wire Line
-	10350 2550 10450 2550
-Connection ~ 10350 2550
-Text GLabel 1050 6000 0    50   Input ~ 0
-UART_BUS
-Text GLabel 4700 7100 2    50   Input ~ 0
-XCVR_UART_BUS
+Text GLabel 850  6000 0    50   Input ~ 0
+UART
+Text GLabel 4150 5800 0    50   Input ~ 0
+XCVR_UART_RX
 Wire Bus Line
-	1050 6000 1150 6000
-Text GLabel 3250 5250 2    50   Input ~ 0
+	850  6000 950  6000
+Text GLabel 3050 5250 2    50   Input ~ 0
 XCVR_5V
 $Comp
 L Device:C_Small C?
 U 1 1 60386F7D
-P 3050 5600
+P 2850 5600
 AR Path="/60386F7D" Ref="C?"  Part="1" 
 AR Path="/5F9E7705/60386F7D" Ref="C8"  Part="1" 
-F 0 "C8" V 3150 5600 50  0000 C CNN
-F 1 "100n" V 2950 5600 50  0000 C CNN
-F 2 "" H 3050 5600 50  0001 C CNN
-F 3 "~" H 3050 5600 50  0001 C CNN
-	1    3050 5600
+F 0 "C8" V 2950 5600 50  0000 C CNN
+F 1 "100n" V 2750 5600 50  0000 C CNN
+F 2 "" H 2850 5600 50  0001 C CNN
+F 3 "~" H 2850 5600 50  0001 C CNN
+	1    2850 5600
 	0    -1   -1   0   
 $EndComp
-Text GLabel 3250 5600 2    50   Input ~ 0
+Text GLabel 3050 5600 2    50   Input ~ 0
 XCVR_GND
 $Comp
 L custom:Si8663AB-B-IS1 U4
 U 1 1 60364EF5
-P 2050 6100
-F 0 "U4" H 2650 6450 50  0000 C CNN
-F 1 "Si8663AB-B-IS1" H 2650 5700 50  0000 C CNN
-F 2 "SOIC127P600X175-16N" H 4050 6200 50  0001 L CNN
-F 3 "https://www.silabs.com/documents/public/data-sheets/Si86xx.pdf" H 4050 6100 50  0001 L CNN
-F 4 "Isolator, Si8663AB-B-IS1 Silicon Labs Si8663AB-B-IS1 PCB SMT 6-channel Digital Isolator, 2500 Vrms, 16-Pin SOIC" H 4050 6000 50  0001 L CNN "Description"
-F 5 "1.75" H 4050 5900 50  0001 L CNN "Height"
-F 6 "634-SI8663AB-B-IS1" H 4050 5800 50  0001 L CNN "Mouser Part Number"
-F 7 "https://www.mouser.co.uk/ProductDetail/Silicon-Labs/SI8663AB-B-IS1?qs=j6MGy4L9yX1tEaLVA9k5Dg%3D%3D" H 4050 5700 50  0001 L CNN "Mouser Price/Stock"
-F 8 "Silicon Labs" H 4050 5600 50  0001 L CNN "Manufacturer_Name"
-F 9 "Si8663AB-B-IS1" H 4050 5500 50  0001 L CNN "Manufacturer_Part_Number"
-	1    2050 6100
+P 1850 6100
+F 0 "U4" H 2450 6450 50  0000 C CNN
+F 1 "Si8663AB-B-IS1" H 2450 5700 50  0000 C CNN
+F 2 "SOIC127P600X175-16N" H 3850 6200 50  0001 L CNN
+F 3 "https://www.silabs.com/documents/public/data-sheets/Si86xx.pdf" H 3850 6100 50  0001 L CNN
+F 4 "Isolator, Si8663AB-B-IS1 Silicon Labs Si8663AB-B-IS1 PCB SMT 6-channel Digital Isolator, 2500 Vrms, 16-Pin SOIC" H 3850 6000 50  0001 L CNN "Description"
+F 5 "1.75" H 3850 5900 50  0001 L CNN "Height"
+F 6 "634-SI8663AB-B-IS1" H 3850 5800 50  0001 L CNN "Mouser Part Number"
+F 7 "https://www.mouser.co.uk/ProductDetail/Silicon-Labs/SI8663AB-B-IS1?qs=j6MGy4L9yX1tEaLVA9k5Dg%3D%3D" H 3850 5700 50  0001 L CNN "Mouser Price/Stock"
+F 8 "Silicon Labs" H 3850 5600 50  0001 L CNN "Manufacturer_Name"
+F 9 "Si8663AB-B-IS1" H 3850 5500 50  0001 L CNN "Manufacturer_Part_Number"
+	1    1850 6100
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	3150 5600 3250 5600
+	2950 5600 3050 5600
 Wire Wire Line
-	2850 5600 2950 5600
-Connection ~ 2850 5600
+	2650 5600 2750 5600
+Connection ~ 2650 5600
 Wire Wire Line
-	2850 5600 2850 5650
-Text GLabel 2900 7400 2    50   Input ~ 0
+	2650 5600 2650 5650
+Text GLabel 2700 7400 2    50   Input ~ 0
 XCVR_GND
 Wire Wire Line
-	2850 7350 2850 7400
+	2650 7350 2650 7400
 Wire Wire Line
-	2850 7400 2900 7400
+	2650 7400 2700 7400
 $Comp
 L Device:C_Small C?
 U 1 1 60404792
-P 2250 5600
+P 2050 5600
 AR Path="/60404792" Ref="C?"  Part="1" 
 AR Path="/5F9E7705/60404792" Ref="C7"  Part="1" 
-F 0 "C7" V 2350 5600 50  0000 C CNN
-F 1 "100n" V 2150 5600 50  0000 C CNN
-F 2 "" H 2250 5600 50  0001 C CNN
-F 3 "~" H 2250 5600 50  0001 C CNN
-	1    2250 5600
+F 0 "C7" V 2150 5600 50  0000 C CNN
+F 1 "100n" V 1950 5600 50  0000 C CNN
+F 2 "" H 2050 5600 50  0001 C CNN
+F 3 "~" H 2050 5600 50  0001 C CNN
+	1    2050 5600
 	0    -1   -1   0   
 $EndComp
 Wire Wire Line
-	2450 5650 2450 5600
+	2250 5650 2250 5600
 Wire Wire Line
-	2450 5600 2350 5600
+	2250 5600 2150 5600
 $Comp
-L power:GND #PWR09
+L power:GND #PWR08
 U 1 1 60417BF6
-P 2050 5600
-F 0 "#PWR09" H 2050 5350 50  0001 C CNN
-F 1 "GND" H 2055 5427 50  0000 C CNN
-F 2 "" H 2050 5600 50  0001 C CNN
-F 3 "" H 2050 5600 50  0001 C CNN
-	1    2050 5600
+P 1850 5600
+F 0 "#PWR08" H 1850 5350 50  0001 C CNN
+F 1 "GND" H 1855 5427 50  0000 C CNN
+F 2 "" H 1850 5600 50  0001 C CNN
+F 3 "" H 1850 5600 50  0001 C CNN
+	1    1850 5600
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR08
+L power:VCC #PWR07
 U 1 1 60417D6D
-P 2050 5200
-F 0 "#PWR08" H 2050 5050 50  0001 C CNN
-F 1 "VCC" H 2067 5373 50  0000 C CNN
-F 2 "" H 2050 5200 50  0001 C CNN
-F 3 "" H 2050 5200 50  0001 C CNN
-	1    2050 5200
+P 1850 5200
+F 0 "#PWR07" H 1850 5050 50  0001 C CNN
+F 1 "VCC" H 1867 5373 50  0000 C CNN
+F 2 "" H 1850 5200 50  0001 C CNN
+F 3 "" H 1850 5200 50  0001 C CNN
+	1    1850 5200
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2150 5600 2050 5600
-Connection ~ 2450 5600
+	1950 5600 1850 5600
+Connection ~ 2250 5600
 $Comp
 L power:GND #PWR010
 U 1 1 6042903B
-P 2450 7350
-F 0 "#PWR010" H 2450 7100 50  0001 C CNN
-F 1 "GND" H 2455 7177 50  0000 C CNN
-F 2 "" H 2450 7350 50  0001 C CNN
-F 3 "" H 2450 7350 50  0001 C CNN
-	1    2450 7350
+P 2250 7350
+F 0 "#PWR010" H 2250 7100 50  0001 C CNN
+F 1 "GND" H 2255 7177 50  0000 C CNN
+F 2 "" H 2250 7350 50  0001 C CNN
+F 3 "" H 2250 7350 50  0001 C CNN
+	1    2250 7350
 	1    0    0    -1  
 $EndComp
 Entry Wire Line
-	1150 6100 1250 6200
+	950  6100 1050 6200
 Entry Wire Line
-	1150 6200 1250 6300
+	950  6200 1050 6300
 Entry Wire Line
-	1150 6300 1250 6400
+	950  6300 1050 6400
 Entry Wire Line
-	1150 6500 1250 6600
+	950  6500 1050 6600
 Entry Wire Line
-	1150 6600 1250 6700
+	950  6600 1050 6700
 Entry Wire Line
-	1150 6700 1250 6800
+	950  6700 1050 6800
 $Comp
-L Device:R_Small R3
+L Device:R_Small R2
 U 1 1 604CF3B9
-P 1700 6200
-F 0 "R3" V 1650 6050 50  0000 C CNN
-F 1 "270" V 1650 6350 50  0000 C CNN
-F 2 "" H 1700 6200 50  0001 C CNN
-F 3 "~" H 1700 6200 50  0001 C CNN
-	1    1700 6200
+P 1500 6200
+F 0 "R2" V 1450 6050 50  0000 C CNN
+F 1 "270" V 1450 6350 50  0000 C CNN
+F 2 "" H 1500 6200 50  0001 C CNN
+F 3 "~" H 1500 6200 50  0001 C CNN
+	1    1500 6200
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R_Small R4
+L Device:R_Small R3
 U 1 1 604DA10D
-P 1700 6300
-F 0 "R4" V 1650 6150 50  0000 C CNN
-F 1 "270" V 1650 6450 50  0000 C CNN
-F 2 "" H 1700 6300 50  0001 C CNN
-F 3 "~" H 1700 6300 50  0001 C CNN
-	1    1700 6300
+P 1500 6300
+F 0 "R3" V 1450 6150 50  0000 C CNN
+F 1 "270" V 1450 6450 50  0000 C CNN
+F 2 "" H 1500 6300 50  0001 C CNN
+F 3 "~" H 1500 6300 50  0001 C CNN
+	1    1500 6300
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R_Small R5
+L Device:R_Small R4
 U 1 1 604DA903
-P 1700 6400
-F 0 "R5" V 1650 6250 50  0000 C CNN
-F 1 "270" V 1650 6550 50  0000 C CNN
-F 2 "" H 1700 6400 50  0001 C CNN
-F 3 "~" H 1700 6400 50  0001 C CNN
-	1    1700 6400
+P 1500 6400
+F 0 "R4" V 1450 6250 50  0000 C CNN
+F 1 "270" V 1450 6550 50  0000 C CNN
+F 2 "" H 1500 6400 50  0001 C CNN
+F 3 "~" H 1500 6400 50  0001 C CNN
+	1    1500 6400
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R_Small R6
+L Device:R_Small R5
 U 1 1 604DC52A
-P 1700 6600
-F 0 "R6" V 1650 6450 50  0000 C CNN
-F 1 "270" V 1650 6750 50  0000 C CNN
-F 2 "" H 1700 6600 50  0001 C CNN
-F 3 "~" H 1700 6600 50  0001 C CNN
-	1    1700 6600
+P 1500 6600
+F 0 "R5" V 1450 6450 50  0000 C CNN
+F 1 "270" V 1450 6750 50  0000 C CNN
+F 2 "" H 1500 6600 50  0001 C CNN
+F 3 "~" H 1500 6600 50  0001 C CNN
+	1    1500 6600
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R_Small R7
+L Device:R_Small R6
 U 1 1 604DC530
-P 1700 6700
-F 0 "R7" V 1650 6550 50  0000 C CNN
-F 1 "270" V 1650 6850 50  0000 C CNN
-F 2 "" H 1700 6700 50  0001 C CNN
-F 3 "~" H 1700 6700 50  0001 C CNN
-	1    1700 6700
+P 1500 6700
+F 0 "R6" V 1450 6550 50  0000 C CNN
+F 1 "270" V 1450 6850 50  0000 C CNN
+F 2 "" H 1500 6700 50  0001 C CNN
+F 3 "~" H 1500 6700 50  0001 C CNN
+	1    1500 6700
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R_Small R8
+L Device:R_Small R7
 U 1 1 604DC536
-P 1700 6800
-F 0 "R8" V 1650 6650 50  0000 C CNN
-F 1 "270" V 1650 6950 50  0000 C CNN
-F 2 "" H 1700 6800 50  0001 C CNN
-F 3 "~" H 1700 6800 50  0001 C CNN
-	1    1700 6800
+P 1500 6800
+F 0 "R7" V 1450 6650 50  0000 C CNN
+F 1 "270" V 1450 6950 50  0000 C CNN
+F 2 "" H 1500 6800 50  0001 C CNN
+F 3 "~" H 1500 6800 50  0001 C CNN
+	1    1500 6800
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	1800 6200 2050 6200
+	1600 6200 1850 6200
 Wire Wire Line
-	1800 6300 2050 6300
+	1600 6300 1850 6300
 Wire Wire Line
-	1800 6600 2050 6600
+	1600 6600 1850 6600
 Wire Wire Line
-	1800 6700 2050 6700
+	1600 6700 1850 6700
 Wire Wire Line
-	1800 6800 2050 6800
+	1600 6800 1850 6800
 $Comp
 L Device:R_Small R11
 U 1 1 60517D42
-P 3550 6200
-F 0 "R11" V 3500 6050 50  0000 C CNN
-F 1 "270" V 3500 6350 50  0000 C CNN
-F 2 "" H 3550 6200 50  0001 C CNN
-F 3 "~" H 3550 6200 50  0001 C CNN
-	1    3550 6200
+P 3350 6200
+F 0 "R11" V 3300 6050 50  0000 C CNN
+F 1 "270" V 3300 6350 50  0000 C CNN
+F 2 "" H 3350 6200 50  0001 C CNN
+F 3 "~" H 3350 6200 50  0001 C CNN
+	1    3350 6200
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R_Small R12
 U 1 1 60517D48
-P 3550 6300
-F 0 "R12" V 3500 6150 50  0000 C CNN
-F 1 "270" V 3500 6450 50  0000 C CNN
-F 2 "" H 3550 6300 50  0001 C CNN
-F 3 "~" H 3550 6300 50  0001 C CNN
-	1    3550 6300
+P 3350 6300
+F 0 "R12" V 3300 6150 50  0000 C CNN
+F 1 "270" V 3300 6450 50  0000 C CNN
+F 2 "" H 3350 6300 50  0001 C CNN
+F 3 "~" H 3350 6300 50  0001 C CNN
+	1    3350 6300
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R_Small R13
 U 1 1 60517D4E
-P 3550 6400
-F 0 "R13" V 3500 6250 50  0000 C CNN
-F 1 "270" V 3500 6550 50  0000 C CNN
-F 2 "" H 3550 6400 50  0001 C CNN
-F 3 "~" H 3550 6400 50  0001 C CNN
-	1    3550 6400
+P 3350 6400
+F 0 "R13" V 3300 6250 50  0000 C CNN
+F 1 "270" V 3300 6550 50  0000 C CNN
+F 2 "" H 3350 6400 50  0001 C CNN
+F 3 "~" H 3350 6400 50  0001 C CNN
+	1    3350 6400
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R_Small R14
 U 1 1 60517D54
-P 3550 6600
-F 0 "R14" V 3500 6450 50  0000 C CNN
-F 1 "270" V 3500 6750 50  0000 C CNN
-F 2 "" H 3550 6600 50  0001 C CNN
-F 3 "~" H 3550 6600 50  0001 C CNN
-	1    3550 6600
+P 3350 6600
+F 0 "R14" V 3300 6450 50  0000 C CNN
+F 1 "270" V 3300 6750 50  0000 C CNN
+F 2 "" H 3350 6600 50  0001 C CNN
+F 3 "~" H 3350 6600 50  0001 C CNN
+	1    3350 6600
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R_Small R15
 U 1 1 60517D5A
-P 3550 6700
-F 0 "R15" V 3500 6550 50  0000 C CNN
-F 1 "270" V 3500 6850 50  0000 C CNN
-F 2 "" H 3550 6700 50  0001 C CNN
-F 3 "~" H 3550 6700 50  0001 C CNN
-	1    3550 6700
+P 3350 6700
+F 0 "R15" V 3300 6550 50  0000 C CNN
+F 1 "270" V 3300 6850 50  0000 C CNN
+F 2 "" H 3350 6700 50  0001 C CNN
+F 3 "~" H 3350 6700 50  0001 C CNN
+	1    3350 6700
 	0    1    1    0   
 $EndComp
 $Comp
 L Device:R_Small R16
 U 1 1 60517D60
-P 3550 6800
-F 0 "R16" V 3500 6650 50  0000 C CNN
-F 1 "270" V 3500 6950 50  0000 C CNN
-F 2 "" H 3550 6800 50  0001 C CNN
-F 3 "~" H 3550 6800 50  0001 C CNN
-	1    3550 6800
+P 3350 6800
+F 0 "R16" V 3300 6650 50  0000 C CNN
+F 1 "270" V 3300 6950 50  0000 C CNN
+F 2 "" H 3350 6800 50  0001 C CNN
+F 3 "~" H 3350 6800 50  0001 C CNN
+	1    3350 6800
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	3250 6200 3450 6200
+	3050 6200 3250 6200
 Wire Wire Line
-	3250 6300 3450 6300
+	3050 6300 3250 6300
 Wire Wire Line
-	3250 6400 3450 6400
+	3050 6400 3250 6400
 Wire Wire Line
-	3250 6600 3450 6600
+	3050 6600 3250 6600
 Wire Wire Line
-	3250 6700 3450 6700
+	3050 6700 3250 6700
 Wire Wire Line
-	3250 6800 3450 6800
+	3050 6800 3250 6800
 Wire Wire Line
-	1800 6400 2050 6400
-Text Label 1250 6200 0    50   ~ 0
+	1600 6400 1850 6400
+Text Label 1050 6200 0    50   ~ 0
 TXD
 Wire Wire Line
-	1250 6200 1600 6200
+	1050 6200 1400 6200
 Wire Wire Line
-	1250 6300 1600 6300
+	1050 6300 1400 6300
 Wire Wire Line
-	1250 6400 1600 6400
+	1050 6400 1400 6400
 Wire Wire Line
-	1250 6600 1600 6600
+	1050 6600 1400 6600
 Wire Wire Line
-	1250 6700 1600 6700
+	1050 6700 1400 6700
 Wire Wire Line
-	1250 6800 1600 6800
-Text Label 1250 6300 0    50   ~ 0
+	1050 6800 1400 6800
+Text Label 1050 6300 0    50   ~ 0
 RTS
-Text Label 1250 6400 0    50   ~ 0
+Text Label 1050 6400 0    50   ~ 0
 DTR
 Entry Wire Line
-	4400 6200 4500 6300
+	4300 6100 4200 6200
 Wire Wire Line
-	3650 6200 4400 6200
-Entry Wire Line
-	4400 6300 4500 6400
-Entry Wire Line
-	4400 6400 4500 6500
-Entry Wire Line
-	4400 6600 4500 6700
+	3450 6200 4200 6200
 Entry Wire Line
-	4400 6700 4500 6800
+	4300 6200 4200 6300
 Entry Wire Line
-	4400 6800 4500 6900
+	4300 6300 4200 6400
 Wire Wire Line
-	3650 6300 4400 6300
+	3450 6300 4200 6300
 Wire Wire Line
-	3650 6400 4400 6400
-Wire Wire Line
-	3650 6600 4400 6600
-Wire Wire Line
-	3650 6700 4400 6700
-Wire Wire Line
-	3650 6800 4400 6800
-Wire Bus Line
-	4500 7000 4600 7000
-Wire Bus Line
-	4600 7000 4600 7100
-Wire Bus Line
-	4600 7100 4700 7100
-Connection ~ 4600 7000
-Wire Bus Line
-	4600 7000 4700 7000
-Text Label 3950 6200 0    50   ~ 0
+	3450 6400 4200 6400
+Text Label 3750 6200 0    50   ~ 0
 XCVR_RXD
-Text Label 3950 6300 0    50   ~ 0
+Text Label 3750 6300 0    50   ~ 0
 XCVR_CTS
-Text Label 3950 6400 0    50   ~ 0
+Text Label 3750 6400 0    50   ~ 0
 XCVR_DSR
-Text Label 3950 6600 0    50   ~ 0
-XCVR_TXD
-Text Label 3950 6700 0    50   ~ 0
-XCVR_RTS
-Text Label 3950 6800 0    50   ~ 0
-XCVR_DTR
-Text Label 1250 6600 0    50   ~ 0
+Text Label 5850 5600 0    50   ~ 0
+XCVR_RTS_DRV
+Text Label 5850 5850 0    50   ~ 0
+XCVR_DTR_DRV
+Text Label 1050 6600 0    50   ~ 0
 RXD
-Text Label 1250 6700 0    50   ~ 0
+Text Label 1050 6700 0    50   ~ 0
 CTS
-Text Label 1250 6800 0    50   ~ 0
+Text Label 1050 6800 0    50   ~ 0
 DSR
-Text Notes 5450 7000 0    39   Italic 0
-Screw terminal
-$Comp
-L Connector_Generic:Conn_01x08 J?
-U 1 1 5FAF9355
-P 5800 6400
-AR Path="/5FAF9355" Ref="J?"  Part="1" 
-AR Path="/5F9E7705/5FAF9355" Ref="J3"  Part="1" 
-F 0 "J3" H 5700 6800 50  0000 L CNN
-F 1 "XCVR_CAT_TTL" H 5400 5900 50  0000 L CNN
-F 2 "" H 5800 6400 50  0001 C CNN
-F 3 "~" H 5800 6400 50  0001 C CNN
-	1    5800 6400
-	1    0    0    -1  
-$EndComp
-Text Label 4800 6300 0    50   ~ 0
-XCVR_RXD
-Text Label 4800 6200 0    50   ~ 0
-XCVR_TXD
-Text Label 4800 6500 0    50   ~ 0
-XCVR_RTS
-Text Label 4800 6600 0    50   ~ 0
-XCVR_CTS
-Text Label 4800 6700 0    50   ~ 0
-XCVR_DTR
-Text Label 4800 6800 0    50   ~ 0
-XCVR_DSR
-Entry Wire Line
-	4700 6300 4800 6200
-Entry Wire Line
-	4700 6400 4800 6300
-Entry Wire Line
-	4700 6600 4800 6500
-Entry Wire Line
-	4700 6700 4800 6600
-Entry Wire Line
-	4700 6800 4800 6700
-Entry Wire Line
-	4700 6900 4800 6800
-Wire Wire Line
-	4800 6200 5600 6200
-Wire Wire Line
-	4800 6300 5600 6300
-Wire Wire Line
-	4800 6500 5600 6500
-Wire Wire Line
-	4800 6600 5600 6600
-Wire Wire Line
-	4800 6700 5600 6700
-Wire Wire Line
-	4800 6800 5600 6800
 Wire Notes Line
-	2650 5000 2650 7500
-Text Notes 2650 5350 1    50   ~ 0
+	2450 5000 2450 7500
+Text Notes 2450 5350 1    50   ~ 0
 Isolation
 Wire Notes Line
 	9650 750  9650 1900
@@ -1503,61 +1169,6 @@ F 9 "VOR1121B6T" H 10550 600 50  0001 L CNN "Manufacturer_Part_Number"
 	1    9200 1200
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	10450 5500 10450 5450
-Wire Wire Line
-	10450 5250 10450 5200
-$Comp
-L Device:C_Small C?
-U 1 1 5FA1B3BB
-P 10450 5350
-AR Path="/5F9E817D/5FA1B3BB" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/5FA1B3BB" Ref="C18"  Part="1" 
-F 0 "C18" H 10500 5400 50  0000 L CNN
-F 1 "100n" H 10500 5300 50  0000 L CNN
-F 2 "" H 10450 5350 50  0001 C CNN
-F 3 "~" H 10450 5350 50  0001 C CNN
-	1    10450 5350
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	10450 5200 10050 5200
-Wire Wire Line
-	9250 4900 9250 5300
-Wire Wire Line
-	9150 5450 9000 5450
-Wire Wire Line
-	9250 5300 9150 5300
-Wire Wire Line
-	9150 5300 9150 5450
-Connection ~ 9150 5300
-Wire Wire Line
-	9150 5300 9150 4900
-Wire Wire Line
-	9050 5300 9150 5300
-Wire Wire Line
-	9050 5200 9050 5300
-Text GLabel 9000 5450 0    50   Input ~ 0
-XCVR_GND
-$Comp
-L Device:R_Small R?
-U 1 1 600B0297
-P 9050 5100
-AR Path="/600B0297" Ref="R?"  Part="1" 
-AR Path="/5F9E7705/600B0297" Ref="R22"  Part="1" 
-F 0 "R22" H 9150 5100 50  0000 C CNN
-F 1 "10k" H 9150 5200 50  0000 C CNN
-F 2 "" H 9050 5100 50  0001 C CNN
-F 3 "~" H 9050 5100 50  0001 C CNN
-	1    9050 5100
-	-1   0    0    1   
-$EndComp
-Wire Wire Line
-	10450 5500 10050 5500
-Wire Bus Line
-	10600 4950 9500 4950
-Text Notes 9800 6100 0    39   Italic 0
-Screw terminal
 $Comp
 L Device:Ferrite_Bead_Small FB?
 U 1 1 5FB1F439
@@ -1579,222 +1190,60 @@ Wire Wire Line
 Connection ~ 4650 1200
 $Comp
 L Device:Ferrite_Bead_Small FB?
-U 1 1 5FB43AF1
-P 10550 2550
-AR Path="/5FB43AF1" Ref="FB?"  Part="1" 
-AR Path="/5F9D7A3C/5FB43AF1" Ref="FB?"  Part="1" 
-AR Path="/5F9E7705/5FB43AF1" Ref="FB5"  Part="1" 
-F 0 "FB5" V 10600 2650 50  0000 C CNN
-F 1 "Fe" V 10450 2500 50  0000 C CNN
-F 2 "" V 10480 2550 50  0001 C CNN
-F 3 "~" H 10550 2550 50  0001 C CNN
-	1    10550 2550
-	0    -1   -1   0   
-$EndComp
-Wire Wire Line
-	10650 2550 10750 2550
-$Comp
-L Device:Ferrite_Bead_Small FB?
 U 1 1 5FB69FF0
-P 2250 5250
+P 2050 5250
 AR Path="/5FB69FF0" Ref="FB?"  Part="1" 
 AR Path="/5F9D7A3C/5FB69FF0" Ref="FB?"  Part="1" 
-AR Path="/5F9E7705/5FB69FF0" Ref="FB2"  Part="1" 
-F 0 "FB2" V 2350 5250 50  0000 C CNN
-F 1 "Fe" V 2150 5200 50  0000 C CNN
-F 2 "" V 2180 5250 50  0001 C CNN
-F 3 "~" H 2250 5250 50  0001 C CNN
-	1    2250 5250
+AR Path="/5F9E7705/5FB69FF0" Ref="FB1"  Part="1" 
+F 0 "FB1" V 2150 5250 50  0000 C CNN
+F 1 "Fe" V 1950 5200 50  0000 C CNN
+F 2 "" V 1980 5250 50  0001 C CNN
+F 3 "~" H 2050 5250 50  0001 C CNN
+	1    2050 5250
 	0    -1   -1   0   
 $EndComp
 Wire Wire Line
-	2050 5200 2050 5250
+	1850 5200 1850 5250
 Wire Wire Line
-	2050 5250 2150 5250
+	1850 5250 1950 5250
 Wire Wire Line
-	2350 5250 2450 5250
+	2150 5250 2250 5250
 Wire Wire Line
-	2450 5250 2450 5600
+	2250 5250 2250 5600
 $Comp
 L Device:Ferrite_Bead_Small FB?
 U 1 1 5FB84F16
-P 3050 5250
+P 2850 5250
 AR Path="/5FB84F16" Ref="FB?"  Part="1" 
 AR Path="/5F9D7A3C/5FB84F16" Ref="FB?"  Part="1" 
 AR Path="/5F9E7705/5FB84F16" Ref="FB3"  Part="1" 
-F 0 "FB3" V 3150 5250 50  0000 C CNN
-F 1 "Fe" V 2950 5200 50  0000 C CNN
-F 2 "" V 2980 5250 50  0001 C CNN
-F 3 "~" H 3050 5250 50  0001 C CNN
-	1    3050 5250
-	0    -1   -1   0   
-$EndComp
-Wire Wire Line
-	3250 5250 3150 5250
-Wire Wire Line
-	2950 5250 2850 5250
-Wire Wire Line
-	2850 5250 2850 5600
-$Comp
-L Device:D_Schottky_Small D7
-U 1 1 5FBBDEEA
-P 10800 5050
-F 0 "D7" V 10750 4950 50  0000 C CNN
-F 1 "TBD" V 10850 5150 50  0000 C CNN
-F 2 "" V 10800 5050 50  0001 C CNN
-F 3 "~" V 10800 5050 50  0001 C CNN
-	1    10800 5050
-	0    1    1    0   
-$EndComp
-Connection ~ 10450 5500
-Wire Wire Line
-	6000 6400 6000 6350
-$Comp
-L Device:C_Small C?
-U 1 1 5FC0BECA
-P 6000 6250
-AR Path="/5F9E817D/5FC0BECA" Ref="C?"  Part="1" 
-AR Path="/5F9E7705/5FC0BECA" Ref="C12"  Part="1" 
-F 0 "C12" H 6092 6296 50  0000 L CNN
-F 1 "100n" H 6092 6205 50  0000 L CNN
-F 2 "" H 6000 6250 50  0001 C CNN
-F 3 "~" H 6000 6250 50  0001 C CNN
-	1    6000 6250
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	6000 6400 5600 6400
-Connection ~ 6000 6400
-Wire Wire Line
-	10050 5300 9600 5300
-Wire Wire Line
-	9600 5400 10050 5400
-Wire Wire Line
-	9600 5600 10050 5600
-Wire Wire Line
-	9600 5700 10050 5700
-Wire Wire Line
-	9600 5800 10050 5800
-Wire Wire Line
-	9600 5900 10050 5900
-Wire Wire Line
-	10450 5200 10800 5200
-Wire Wire Line
-	10800 5200 10800 5150
-Connection ~ 10450 5200
-Wire Wire Line
-	10800 4950 10800 4900
-$Comp
-L Device:R_Small R?
-U 1 1 5FD2A5BD
-P 10800 5350
-AR Path="/5FD2A5BD" Ref="R?"  Part="1" 
-AR Path="/5F9D7A3C/5FD2A5BD" Ref="R?"  Part="1" 
-AR Path="/5F9E7705/5FD2A5BD" Ref="R23"  Part="1" 
-F 0 "R23" H 10900 5400 50  0000 C CNN
-F 1 "2.2k" H 10950 5300 50  0000 C CNN
-F 2 "" H 10800 5350 50  0001 C CNN
-F 3 "~" H 10800 5350 50  0001 C CNN
-	1    10800 5350
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:LED D?
-U 1 1 5FD2B405
-P 10800 5650
-AR Path="/5FD2B405" Ref="D?"  Part="1" 
-AR Path="/5F9D7A3C/5FD2B405" Ref="D?"  Part="1" 
-AR Path="/5F9E7705/5FD2B405" Ref="D8"  Part="1" 
-F 0 "D8" V 10800 5750 50  0000 C CNN
-F 1 "BG1102W-TR" H 10700 5500 50  0000 C CNN
-F 2 "" H 10800 5650 50  0001 C CNN
-F 3 "~" H 10800 5650 50  0001 C CNN
-	1    10800 5650
+F 0 "FB3" V 2950 5250 50  0000 C CNN
+F 1 "Fe" V 2750 5200 50  0000 C CNN
+F 2 "" V 2780 5250 50  0001 C CNN
+F 3 "~" H 2850 5250 50  0001 C CNN
+	1    2850 5250
 	0    -1   -1   0   
 $EndComp
 Wire Wire Line
-	10800 5250 10800 5200
-Connection ~ 10800 5200
-Wire Wire Line
-	10800 5500 10800 5450
+	3050 5250 2950 5250
 Wire Wire Line
-	10450 5850 10800 5850
+	2750 5250 2650 5250
 Wire Wire Line
-	10800 5850 10800 5800
-Wire Wire Line
-	10450 5500 10450 5850
-Wire Wire Line
-	10800 6000 10800 5850
-Connection ~ 10800 5850
-Text GLabel 6350 6900 3    50   Input ~ 0
-XCVR_GND
-Text GLabel 6350 5800 1    50   Input ~ 0
+	2650 5250 2650 5600
+Text GLabel 10100 2700 1    50   Input ~ 0
 XCVR_13V8
 $Comp
 L Device:D_Schottky_Small D5
 U 1 1 5FD7AEFF
-P 6350 5950
-F 0 "D5" V 6300 5850 50  0000 C CNN
-F 1 "TBD" V 6400 6050 50  0000 C CNN
-F 2 "" V 6350 5950 50  0001 C CNN
-F 3 "~" V 6350 5950 50  0001 C CNN
-	1    6350 5950
-	0    1    1    0   
+P 10100 2900
+F 0 "D5" V 10150 3000 50  0000 C CNN
+F 1 "TBD" V 10050 3000 50  0000 C CNN
+F 2 "" V 10100 2900 50  0001 C CNN
+F 3 "~" V 10100 2900 50  0001 C CNN
+	1    10100 2900
+	0    -1   1    0   
 $EndComp
 Wire Wire Line
-	6350 6100 6350 6050
-Wire Wire Line
-	6350 5850 6350 5800
-$Comp
-L Device:R_Small R?
-U 1 1 5FD7AF08
-P 6350 6250
-AR Path="/5FD7AF08" Ref="R?"  Part="1" 
-AR Path="/5F9D7A3C/5FD7AF08" Ref="R?"  Part="1" 
-AR Path="/5F9E7705/5FD7AF08" Ref="R20"  Part="1" 
-F 0 "R20" H 6450 6300 50  0000 C CNN
-F 1 "2.2k" H 6500 6200 50  0000 C CNN
-F 2 "" H 6350 6250 50  0001 C CNN
-F 3 "~" H 6350 6250 50  0001 C CNN
-	1    6350 6250
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:LED D?
-U 1 1 5FD7AF0E
-P 6350 6550
-AR Path="/5FD7AF0E" Ref="D?"  Part="1" 
-AR Path="/5F9D7A3C/5FD7AF0E" Ref="D?"  Part="1" 
-AR Path="/5F9E7705/5FD7AF0E" Ref="D6"  Part="1" 
-F 0 "D6" V 6350 6650 50  0000 C CNN
-F 1 "BG1102W-TR" H 6250 6400 50  0000 C CNN
-F 2 "" H 6350 6550 50  0001 C CNN
-F 3 "~" H 6350 6550 50  0001 C CNN
-	1    6350 6550
-	0    -1   -1   0   
-$EndComp
-Wire Wire Line
-	6350 6150 6350 6100
-Connection ~ 6350 6100
-Wire Wire Line
-	6350 6400 6350 6350
-Wire Wire Line
-	6000 6750 6350 6750
-Wire Wire Line
-	6350 6750 6350 6700
-Wire Wire Line
-	6350 6900 6350 6750
-Connection ~ 6350 6750
-Wire Wire Line
-	5600 6100 6000 6100
-Wire Wire Line
-	6000 6150 6000 6100
-Connection ~ 6000 6100
-Wire Wire Line
-	6000 6100 6350 6100
-Wire Wire Line
-	6000 6400 6000 6750
-Wire Wire Line
 	9050 1200 9200 1200
 Wire Wire Line
 	8850 1200 8750 1200
@@ -1901,20 +1350,347 @@ F 3 "~" H 8600 1200 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	8450 1200 8000 1200
+Text GLabel 10100 3950 3    50   Input ~ 0
+XCVR_GND
+Text Notes 9300 3950 0    39   Italic 0
+Screw terminal
+$Comp
+L Connector_Generic:Conn_01x08 J?
+U 1 1 5FAF9355
+P 9550 3350
+AR Path="/5FAF9355" Ref="J?"  Part="1" 
+AR Path="/5F9E7705/5FAF9355" Ref="J5"  Part="1" 
+F 0 "J5" H 9500 3750 50  0000 L CNN
+F 1 "XCVR_CAT_TTL" H 9250 2850 50  0000 L CNN
+F 2 "" H 9550 3350 50  0001 C CNN
+F 3 "~" H 9550 3350 50  0001 C CNN
+	1    9550 3350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9750 3350 9750 3300
+$Comp
+L Device:C_Small C?
+U 1 1 5FC0BECA
+P 9750 3200
+AR Path="/5F9E817D/5FC0BECA" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/5FC0BECA" Ref="C13"  Part="1" 
+F 0 "C13" H 9842 3246 50  0000 L CNN
+F 1 "100n" H 9842 3155 50  0000 L CNN
+F 2 "" H 9750 3200 50  0001 C CNN
+F 3 "~" H 9750 3200 50  0001 C CNN
+	1    9750 3200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9750 3350 9350 3350
+Connection ~ 9750 3350
+$Comp
+L Device:R_Small R?
+U 1 1 5FD7AF08
+P 10100 3200
+AR Path="/5FD7AF08" Ref="R?"  Part="1" 
+AR Path="/5F9D7A3C/5FD7AF08" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/5FD7AF08" Ref="R24"  Part="1" 
+F 0 "R24" H 10250 3250 50  0000 C CNN
+F 1 "2.2k" H 10250 3150 50  0000 C CNN
+F 2 "" H 10100 3200 50  0001 C CNN
+F 3 "~" H 10100 3200 50  0001 C CNN
+	1    10100 3200
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:LED D?
+U 1 1 5FD7AF0E
+P 10100 3500
+AR Path="/5FD7AF0E" Ref="D?"  Part="1" 
+AR Path="/5F9D7A3C/5FD7AF0E" Ref="D?"  Part="1" 
+AR Path="/5F9E7705/5FD7AF0E" Ref="D6"  Part="1" 
+F 0 "D6" V 10100 3600 50  0000 C CNN
+F 1 "BG1102W-TR" H 10000 3350 50  0000 C CNN
+F 2 "" H 10100 3500 50  0001 C CNN
+F 3 "~" H 10100 3500 50  0001 C CNN
+	1    10100 3500
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	10100 3100 10100 3050
+Wire Wire Line
+	10100 3350 10100 3300
+Wire Wire Line
+	9750 3700 10100 3700
+Wire Wire Line
+	10100 3700 10100 3650
+Wire Wire Line
+	9350 3050 9750 3050
+Wire Wire Line
+	9750 3100 9750 3050
+Connection ~ 9750 3050
+Wire Wire Line
+	9750 3050 10100 3050
+Wire Wire Line
+	9750 3350 9750 3700
+Wire Wire Line
+	10100 3700 10100 3950
+Connection ~ 10100 3700
+Wire Wire Line
+	5350 6550 5400 6550
+Wire Wire Line
+	5350 6450 5350 6550
+Text GLabel 5400 6550 2    50   Input ~ 0
+XCVR_GND
+$Comp
+L custom:SN74HCT32D U6
+U 1 1 5FB7A5F9
+P 5350 5400
+F 0 "U6" H 5100 5850 50  0000 C CNN
+F 1 "SN74HCT32D" H 5000 4400 50  0000 C CNN
+F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7525 5875 50  0001 C CNN
+F 3 "https://www.ti.com/lit/ds/symlink/sn74hct32.pdf?HQS=TI-null-null-mousermode-df-pf-null-wwe&ts=1604238425444&ref_url=https%253A%252F%252Fwww.mouser.ie%252F" H 5275 6575 50  0001 C CNN
+	1    5350 5400
+	-1   0    0    -1  
+$EndComp
+Text Label 5850 5350 0    50   ~ 0
+XCVR_TXD_DRV
+Text GLabel 5000 4750 0    50   Input ~ 0
+XCVR_5V
 Wire Bus Line
-	7700 1200 7700 1450
+	4150 5800 4300 5800
+Connection ~ 10100 3050
+NoConn ~ 4950 6050
+NoConn ~ 5750 6000
+NoConn ~ 5750 6100
+$Comp
+L Device:Ferrite_Bead_Small FB?
+U 1 1 601885A8
+P 5200 4750
+AR Path="/601885A8" Ref="FB?"  Part="1" 
+AR Path="/5F9D7A3C/601885A8" Ref="FB?"  Part="1" 
+AR Path="/5F9E7705/601885A8" Ref="FB5"  Part="1" 
+F 0 "FB5" V 5100 4750 50  0000 C CNN
+F 1 "Fe" V 5300 4800 50  0000 C CNN
+F 2 "" V 5130 4750 50  0001 C CNN
+F 3 "~" H 5200 4750 50  0001 C CNN
+	1    5200 4750
+	0    -1   1    0   
+$EndComp
+$Comp
+L Device:C_Small C?
+U 1 1 601AB947
+P 5500 4750
+AR Path="/601AB947" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/601AB947" Ref="C12"  Part="1" 
+F 0 "C12" V 5600 4750 50  0000 C CNN
+F 1 "100n" V 5400 4750 50  0000 C CNN
+F 2 "" H 5500 4750 50  0001 C CNN
+F 3 "~" H 5500 4750 50  0001 C CNN
+	1    5500 4750
+	0    1    -1   0   
+$EndComp
+Wire Wire Line
+	5400 4750 5350 4750
+Connection ~ 5350 4750
+Wire Wire Line
+	5350 4750 5350 4900
+Text GLabel 8000 4750 2    50   Input ~ 0
+XCVR_GND
+Wire Wire Line
+	5300 4750 5350 4750
+Wire Wire Line
+	5000 4750 5100 4750
+Wire Wire Line
+	10100 2800 10100 2700
+Text Label 5850 5250 0    50   ~ 0
+XCVR_TXD_CON
+Text Label 5850 5500 0    50   ~ 0
+XCVR_RTS_CON
+Text Label 5850 5750 0    50   ~ 0
+XCVR_DTR_CON
+Text Label 3750 6600 0    50   ~ 0
+XCVR_TXD
+Text Label 3750 6700 0    50   ~ 0
+XCVR_RTS
+Text Label 3750 6800 0    50   ~ 0
+XCVR_DTR
+Wire Wire Line
+	5750 5350 6800 5350
+Wire Wire Line
+	5750 5600 6800 5600
+Wire Wire Line
+	5750 5850 6800 5850
+Text GLabel 8350 3050 0    50   Input ~ 0
+XCVR_UART_RX
 Wire Bus Line
-	7900 3850 7900 4600
+	8350 3050 8500 3050
+Entry Wire Line
+	8800 3150 8700 3050
+Wire Wire Line
+	8800 3150 9350 3150
+Text Label 8800 3150 0    50   ~ 0
+XCVR_TXD_CON
+Entry Wire Line
+	8600 3250 8500 3150
+Wire Wire Line
+	8600 3250 9350 3250
+Text Label 8800 3250 0    50   ~ 0
+XCVR_RXD
+Entry Wire Line
+	8600 3550 8500 3450
+Entry Wire Line
+	8600 3750 8500 3650
+Wire Wire Line
+	8800 3450 9350 3450
+Wire Wire Line
+	8800 3650 9350 3650
+Wire Wire Line
+	8600 3750 9350 3750
+Text Label 8800 3450 0    50   ~ 0
+XCVR_RTS_CON
+Text Label 8800 3550 0    50   ~ 0
+XCVR_CTS
+Text Label 8800 3650 0    50   ~ 0
+XCVR_DTR_CON
+Text Label 8800 3750 0    50   ~ 0
+XCVR_DSR
+$Sheet
+S 12050 5000 2500 1500
+U 606D9B1D
+F0 "rs232" 50
+F1 "rs232.sch" 50
+$EndSheet
+Wire Notes Line
+	7000 4500 7000 500 
+Wire Wire Line
+	10100 3050 10100 3000
+Text GLabel 7000 6050 2    50   Input ~ 0
+XCVR_UART_TX_DRV
+Entry Wire Line
+	6900 5950 6800 5850
+Entry Wire Line
+	8600 5250 8700 5150
+Entry Wire Line
+	6800 5600 6900 5700
+Entry Wire Line
+	8600 5500 8700 5400
+Entry Wire Line
+	6800 5350 6900 5450
+Entry Wire Line
+	8600 5750 8700 5650
 Wire Bus Line
-	10600 3850 10600 4950
+	6900 6050 7000 6050
+$Comp
+L Device:R_Small R?
+U 1 1 608CB9A1
+P 7000 5050
+AR Path="/5F9E7705/606D9B1D/608CB9A1" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/608CB9A1" Ref="R20"  Part="1" 
+F 0 "R20" H 6800 5100 50  0000 L CNN
+F 1 "10M" H 6800 5000 50  0000 L CNN
+F 2 "" H 7000 5050 50  0001 C CNN
+F 3 "~" H 7000 5050 50  0001 C CNN
+	1    7000 5050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Small R?
+U 1 1 608D4282
+P 7450 5050
+AR Path="/5F9E7705/606D9B1D/608D4282" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/608D4282" Ref="R21"  Part="1" 
+F 0 "R21" H 7250 5100 50  0000 L CNN
+F 1 "10M" H 7250 5000 50  0000 L CNN
+F 2 "" H 7450 5050 50  0001 C CNN
+F 3 "~" H 7450 5050 50  0001 C CNN
+	1    7450 5050
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Small R?
+U 1 1 608D471E
+P 7900 5050
+AR Path="/5F9E7705/606D9B1D/608D471E" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/608D471E" Ref="R22"  Part="1" 
+F 0 "R22" H 7700 5100 50  0000 L CNN
+F 1 "10M" H 7700 5000 50  0000 L CNN
+F 2 "" H 7900 5050 50  0001 C CNN
+F 3 "~" H 7900 5050 50  0001 C CNN
+	1    7900 5050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5750 5250 7000 5250
+Wire Wire Line
+	5750 5500 7450 5500
+Wire Wire Line
+	5750 5750 7900 5750
+Wire Wire Line
+	7000 4950 7000 4750
+Connection ~ 7000 4750
+Wire Wire Line
+	7000 4750 7450 4750
+Wire Wire Line
+	7450 4950 7450 4750
+Connection ~ 7450 4750
+Wire Wire Line
+	7450 4750 7900 4750
+Wire Wire Line
+	7900 4950 7900 4750
+Wire Wire Line
+	7000 5150 7000 5250
+Wire Wire Line
+	7450 5150 7450 5500
+Wire Wire Line
+	7900 5150 7900 5750
+Wire Wire Line
+	4850 6800 4850 5800
+Wire Wire Line
+	4850 5800 4950 5800
+Wire Wire Line
+	3450 6800 4850 6800
+Wire Wire Line
+	4750 6700 4750 5550
+Wire Wire Line
+	4750 5550 4950 5550
+Wire Wire Line
+	3450 6700 4750 6700
+Wire Wire Line
+	4650 6600 4650 5300
+Wire Wire Line
+	4650 5300 4950 5300
+Wire Wire Line
+	3450 6600 4650 6600
+Wire Wire Line
+	5600 4750 7000 4750
+Connection ~ 7000 5250
+Connection ~ 7450 5500
+Connection ~ 7900 5750
+Wire Wire Line
+	7900 4750 8000 4750
+Connection ~ 7900 4750
+Wire Wire Line
+	7000 5250 8600 5250
+Wire Wire Line
+	7450 5500 8600 5500
+Wire Wire Line
+	7900 5750 8600 5750
 Wire Bus Line
-	9500 4950 9500 5800
+	7700 1200 7700 1450
+Wire Wire Line
+	8600 3550 9350 3550
+Wire Bus Line
+	4300 5800 4300 6300
 Wire Bus Line
-	1150 6000 1150 6700
+	8500 3050 8500 3650
 Wire Bus Line
-	4500 6300 4500 7000
+	6900 5450 6900 6050
 Wire Bus Line
-	4700 6300 4700 7000
+	950  6000 950  6700
 Wire Bus Line
 	6350 1000 6350 2600
+Entry Wire Line
+	8800 3450 8700 3350
+Entry Wire Line
+	8800 3650 8700 3550
+Wire Bus Line
+	8700 3050 8700 5650
 $EndSCHEMATC
diff --git a/kicad/power.sch b/kicad/power.sch
index 5774d37..0cbe60e 100644
--- a/kicad/power.sch
+++ b/kicad/power.sch
@@ -3,10 +3,10 @@ EELAYER 30 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 2 4
+Sheet 2 5
 Title "cat-a-hack"
 Date ""
-Rev "r1"
+Rev "r2"
 Comp "Vasile Vilvoiu (YO7JBP)"
 Comment1 "CAT and audio hackable isolation board"
 Comment2 "Transceiver-side power circuit"
diff --git a/kicad/rs232.sch b/kicad/rs232.sch
new file mode 100644
index 0000000..1307642
--- /dev/null
+++ b/kicad/rs232.sch
@@ -0,0 +1,503 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 4 5
+Title "cat-a-hack"
+Date ""
+Rev "r2"
+Comp "Vasile Vilvoiu (YO7JBP)"
+Comment1 "CAT and audio hackable isolation board"
+Comment2 "RS232 driver for UART interface"
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Device:C_Small C?
+U 1 1 6072AC90
+P 6250 2100
+AR Path="/6072AC90" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072AC90" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AC90" Ref="C16"  Part="1" 
+F 0 "C16" V 6350 2100 50  0000 C CNN
+F 1 "100n" V 6150 2100 50  0000 C CNN
+F 2 "" H 6250 2100 50  0001 C CNN
+F 3 "~" H 6250 2100 50  0001 C CNN
+	1    6250 2100
+	0    -1   -1   0   
+$EndComp
+Text GLabel 6550 2500 2    50   Input ~ 0
+XCVR_GND
+$Comp
+L Device:C_Small C?
+U 1 1 6072AC97
+P 6250 2500
+AR Path="/6072AC97" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072AC97" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AC97" Ref="C17"  Part="1" 
+F 0 "C17" V 6350 2500 50  0000 C CNN
+F 1 "100n" V 6150 2500 50  0000 C CNN
+F 2 "" H 6250 2500 50  0001 C CNN
+F 3 "~" H 6250 2500 50  0001 C CNN
+	1    6250 2500
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	6450 2100 6350 2100
+Wire Wire Line
+	6450 2500 6350 2500
+$Comp
+L custom:MAX3387ECUG+ U?
+U 1 1 6072ACA5
+P 4500 2100
+AR Path="/5F9E7705/6072ACA5" Ref="U?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072ACA5" Ref="U8"  Part="1" 
+F 0 "U8" H 5250 1600 50  0000 C CNN
+F 1 "MAX3387ECUG+" H 5250 1500 50  0000 C CNN
+F 2 "SOP65P640X110-24N" H 7900 2100 50  0001 L CNN
+F 3 "" H 6300 2700 50  0001 L CNN
+F 4 "MAX3387ECUG+, Multichannel Line Transceiver, EIA/TIA-232, RS-232, V.24, V.28 3 3 3 250kbit/s, 3  5.5 V, 24-Pin" H 7850 1750 50  0001 L CNN "Description"
+F 5 "1.1" H 6300 2500 50  0001 L CNN "Height"
+F 6 "700-MAX3387ECUG" H 7900 2200 50  0001 L CNN "Mouser Part Number"
+F 7 "https://www.mouser.co.uk/ProductDetail/Maxim-Integrated/MAX3387ECUG%2b?qs=1THa7WoU59HIOZvt2U3ItQ%3D%3D" H 7850 1450 50  0001 L CNN "Mouser Price/Stock"
+F 8 "Maxim Integrated" H 7900 2000 50  0001 L CNN "Manufacturer_Name"
+F 9 "MAX3387ECUG+" H 7900 1900 50  0001 L CNN "Manufacturer_Part_Number"
+	1    4500 2100
+	1    0    0    -1  
+$EndComp
+Text Notes 800  900  0    157  ~ 31
+RS232 line driver
+$Comp
+L Device:C_Small C?
+U 1 1 6072ACAC
+P 4200 2100
+AR Path="/6072ACAC" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072ACAC" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072ACAC" Ref="C14"  Part="1" 
+F 0 "C14" V 4150 2000 50  0000 C CNN
+F 1 "100n" V 4150 2250 50  0000 C CNN
+F 2 "" H 4200 2100 50  0001 C CNN
+F 3 "~" H 4200 2100 50  0001 C CNN
+	1    4200 2100
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4500 2100 4300 2100
+Wire Wire Line
+	4100 2100 4050 2100
+Wire Wire Line
+	4050 2100 4050 2200
+Wire Wire Line
+	4050 2200 4500 2200
+$Comp
+L Device:C_Small C?
+U 1 1 6072ACB6
+P 4200 2400
+AR Path="/6072ACB6" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072ACB6" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072ACB6" Ref="C15"  Part="1" 
+F 0 "C15" V 4150 2300 50  0000 C CNN
+F 1 "100n" V 4150 2550 50  0000 C CNN
+F 2 "" H 4200 2400 50  0001 C CNN
+F 3 "~" H 4200 2400 50  0001 C CNN
+	1    4200 2400
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4300 2400 4500 2400
+Wire Wire Line
+	4100 2400 4050 2400
+Wire Wire Line
+	4050 2400 4050 2500
+Wire Wire Line
+	4050 2500 4500 2500
+Wire Wire Line
+	6000 2500 6150 2500
+Wire Wire Line
+	6150 2100 6000 2100
+Wire Wire Line
+	6450 2100 6450 2500
+Wire Wire Line
+	6450 2500 6550 2500
+Connection ~ 6450 2500
+Wire Wire Line
+	5150 4000 5150 4100
+Text GLabel 3900 2700 0    50   Input ~ 0
+XCVR_UART_RX
+Wire Bus Line
+	3900 2700 4000 2700
+Entry Wire Line
+	4000 2950 4100 2850
+Entry Wire Line
+	4000 3050 4100 2950
+Entry Wire Line
+	4000 3150 4100 3050
+Wire Wire Line
+	4100 2850 4500 2850
+Wire Wire Line
+	4100 2950 4500 2950
+Wire Wire Line
+	4100 3050 4500 3050
+Text Label 4100 2850 0    50   ~ 0
+XCVR_RXD
+$Comp
+L Connector_Generic:Conn_01x08 J?
+U 1 1 6072ACCF
+P 7450 4300
+AR Path="/6072ACCF" Ref="J?"  Part="1" 
+AR Path="/5F9E7705/6072ACCF" Ref="J?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072ACCF" Ref="J7"  Part="1" 
+F 0 "J7" H 7350 4700 50  0000 L CNN
+F 1 "XCVR_CAT_RS232" H 6900 3800 50  0000 L CNN
+F 2 "" H 7450 4300 50  0001 C CNN
+F 3 "~" H 7450 4300 50  0001 C CNN
+	1    7450 4300
+	1    0    0    -1  
+$EndComp
+Text GLabel 8000 4800 3    50   Input ~ 0
+XCVR_GND
+Text GLabel 8000 3700 1    50   Input ~ 0
+XCVR_13V8
+Entry Wire Line
+	6600 2850 6700 2950
+Entry Wire Line
+	6600 2950 6700 3050
+Entry Wire Line
+	6600 3050 6700 3150
+Entry Wire Line
+	6600 3300 6700 3400
+Entry Wire Line
+	6600 3400 6700 3500
+Entry Wire Line
+	6600 3500 6700 3600
+Text Label 4100 2950 0    50   ~ 0
+XCVR_CTS
+Text Label 4100 3050 0    50   ~ 0
+XCVR_DSR
+Text Label 6050 3300 0    50   ~ 0
+RS232_TXD
+Text Label 6050 3400 0    50   ~ 0
+RS232_RTS
+Text Label 6050 3500 0    50   ~ 0
+RS232_DTR
+Text Label 6050 2850 0    50   ~ 0
+RS232_RXD
+Text Label 6050 2950 0    50   ~ 0
+RS232_CTS
+Text Label 6050 3050 0    50   ~ 0
+RS232_DSR
+Wire Wire Line
+	6000 2850 6600 2850
+Wire Wire Line
+	6000 2950 6600 2950
+Wire Wire Line
+	6000 3050 6600 3050
+Wire Wire Line
+	6000 3300 6600 3300
+Wire Wire Line
+	6000 3400 6600 3400
+Wire Wire Line
+	6000 3500 6600 3500
+Entry Wire Line
+	6700 4000 6800 4100
+Entry Wire Line
+	6700 4100 6800 4200
+Entry Wire Line
+	6700 4600 6800 4700
+Entry Wire Line
+	6700 4300 6800 4400
+Entry Wire Line
+	6700 4400 6800 4500
+Entry Wire Line
+	6700 4500 6800 4600
+Text Label 6800 4100 0    50   ~ 0
+RS232_TXD
+Text Label 6800 4200 0    50   ~ 0
+RS232_RXD
+Text Label 6800 4400 0    50   ~ 0
+RS232_RTS
+Text Label 6800 4500 0    50   ~ 0
+RS232_CTS
+Text Label 6800 4600 0    50   ~ 0
+RS232_DTR
+Text Label 6800 4700 0    50   ~ 0
+RS232_DSR
+Text GLabel 6850 1650 2    50   Input ~ 0
+XCVR_5V
+$Comp
+L Device:C_Small C?
+U 1 1 6072ACF8
+P 6450 1900
+AR Path="/6072ACF8" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072ACF8" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072ACF8" Ref="C18"  Part="1" 
+F 0 "C18" H 6300 1900 50  0000 C CNN
+F 1 "100n" H 6300 2000 50  0000 C CNN
+F 2 "" H 6450 1900 50  0001 C CNN
+F 3 "~" H 6450 1900 50  0001 C CNN
+	1    6450 1900
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	6450 2000 6450 2100
+Connection ~ 6450 2100
+Wire Wire Line
+	5150 1700 5150 1650
+Wire Wire Line
+	5150 1650 5250 1650
+Wire Wire Line
+	6450 1650 6450 1800
+Wire Wire Line
+	5250 1700 5250 1650
+Connection ~ 5250 1650
+Wire Wire Line
+	5250 1650 5350 1650
+Wire Wire Line
+	5350 1700 5350 1650
+Connection ~ 5350 1650
+Wire Wire Line
+	5350 1650 6450 1650
+Wire Wire Line
+	6450 1650 6550 1650
+Connection ~ 6450 1650
+Wire Wire Line
+	7650 4300 7650 4250
+Wire Wire Line
+	7650 4050 7650 4000
+$Comp
+L Device:C_Small C?
+U 1 1 6072AD0D
+P 7650 4150
+AR Path="/5F9E817D/6072AD0D" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/6072AD0D" Ref="C?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD0D" Ref="C19"  Part="1" 
+F 0 "C19" H 7700 4200 50  0000 L CNN
+F 1 "100n" H 7700 4100 50  0000 L CNN
+F 2 "" H 7650 4150 50  0001 C CNN
+F 3 "~" H 7650 4150 50  0001 C CNN
+	1    7650 4150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7650 4000 7250 4000
+Wire Wire Line
+	5350 4000 5350 4400
+Wire Wire Line
+	5350 4400 5250 4400
+Connection ~ 5250 4400
+Wire Wire Line
+	5250 4400 5250 4000
+Wire Wire Line
+	5150 4400 5250 4400
+Wire Wire Line
+	5150 4300 5150 4400
+Text GLabel 5600 4400 2    50   Input ~ 0
+XCVR_GND
+$Comp
+L Device:R_Small R?
+U 1 1 6072AD1D
+P 5150 4200
+AR Path="/6072AD1D" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/6072AD1D" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD1D" Ref="R28"  Part="1" 
+F 0 "R28" H 5250 4200 50  0000 C CNN
+F 1 "10k" H 5250 4300 50  0000 C CNN
+F 2 "" H 5150 4200 50  0001 C CNN
+F 3 "~" H 5150 4200 50  0001 C CNN
+	1    5150 4200
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	7650 4300 7250 4300
+Text Notes 7000 4900 0    39   Italic 0
+Screw terminal
+$Comp
+L Device:Ferrite_Bead_Small FB?
+U 1 1 6072AD26
+P 6650 1650
+AR Path="/6072AD26" Ref="FB?"  Part="1" 
+AR Path="/5F9D7A3C/6072AD26" Ref="FB?"  Part="1" 
+AR Path="/5F9E7705/6072AD26" Ref="FB?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD26" Ref="FB6"  Part="1" 
+F 0 "FB6" V 6700 1750 50  0000 C CNN
+F 1 "Fe" V 6550 1600 50  0000 C CNN
+F 2 "" V 6580 1650 50  0001 C CNN
+F 3 "~" H 6650 1650 50  0001 C CNN
+	1    6650 1650
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	6750 1650 6850 1650
+$Comp
+L Device:D_Schottky_Small D?
+U 1 1 6072AD2D
+P 8000 3850
+AR Path="/5F9E7705/6072AD2D" Ref="D?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD2D" Ref="D7"  Part="1" 
+F 0 "D7" V 8000 3700 50  0000 C CNN
+F 1 "TBD" V 8000 4000 50  0000 C CNN
+F 2 "" V 8000 3850 50  0001 C CNN
+F 3 "~" V 8000 3850 50  0001 C CNN
+	1    8000 3850
+	0    1    1    0   
+$EndComp
+Connection ~ 7650 4300
+Wire Wire Line
+	7250 4100 6800 4100
+Wire Wire Line
+	6800 4200 7250 4200
+Wire Wire Line
+	6800 4400 7250 4400
+Wire Wire Line
+	6800 4500 7250 4500
+Wire Wire Line
+	6800 4600 7250 4600
+Wire Wire Line
+	6800 4700 7250 4700
+Wire Wire Line
+	7650 4000 8000 4000
+Wire Wire Line
+	8000 4000 8000 3950
+Wire Wire Line
+	8000 3750 8000 3700
+$Comp
+L Device:R_Small R?
+U 1 1 6072AD3E
+P 8000 4150
+AR Path="/6072AD3E" Ref="R?"  Part="1" 
+AR Path="/5F9D7A3C/6072AD3E" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/6072AD3E" Ref="R?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD3E" Ref="R29"  Part="1" 
+F 0 "R29" H 8100 4200 50  0000 C CNN
+F 1 "2.2k" H 8150 4100 50  0000 C CNN
+F 2 "" H 8000 4150 50  0001 C CNN
+F 3 "~" H 8000 4150 50  0001 C CNN
+	1    8000 4150
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:LED D?
+U 1 1 6072AD44
+P 8000 4450
+AR Path="/6072AD44" Ref="D?"  Part="1" 
+AR Path="/5F9D7A3C/6072AD44" Ref="D?"  Part="1" 
+AR Path="/5F9E7705/6072AD44" Ref="D?"  Part="1" 
+AR Path="/5F9E7705/606D9B1D/6072AD44" Ref="D8"  Part="1" 
+F 0 "D8" V 8000 4550 50  0000 C CNN
+F 1 "BG1102W-TR" H 7900 4300 50  0000 C CNN
+F 2 "" H 8000 4450 50  0001 C CNN
+F 3 "~" H 8000 4450 50  0001 C CNN
+	1    8000 4450
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	8000 4050 8000 4000
+Connection ~ 8000 4000
+Wire Wire Line
+	8000 4300 8000 4250
+Wire Wire Line
+	7650 4650 8000 4650
+Wire Wire Line
+	8000 4650 8000 4600
+Wire Wire Line
+	7650 4300 7650 4650
+Wire Wire Line
+	8000 4800 8000 4650
+Connection ~ 8000 4650
+Text GLabel 2900 3900 0    50   Input ~ 0
+XCVR_UART_TX_DRV
+Wire Bus Line
+	2900 3900 3000 3900
+Entry Wire Line
+	3000 3400 3100 3300
+Entry Wire Line
+	3000 3500 3100 3400
+Entry Wire Line
+	3000 3600 3100 3500
+Text Label 4100 3300 0    50   ~ 0
+XCVR_TXD
+Text Label 4100 3400 0    50   ~ 0
+XCVR_RTS
+Text Label 4100 3500 0    50   ~ 0
+XCVR_DTR
+Connection ~ 7650 4000
+$Comp
+L Device:R_Small R25
+U 1 1 6078CA95
+P 3400 3700
+F 0 "R25" H 3200 3750 50  0000 L CNN
+F 1 "10M" H 3200 3650 50  0000 L CNN
+F 2 "" H 3400 3700 50  0001 C CNN
+F 3 "~" H 3400 3700 50  0001 C CNN
+	1    3400 3700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Small R26
+U 1 1 607905A0
+P 3650 3950
+F 0 "R26" H 3450 4000 50  0000 L CNN
+F 1 "10M" H 3450 3900 50  0000 L CNN
+F 2 "" H 3650 3950 50  0001 C CNN
+F 3 "~" H 3650 3950 50  0001 C CNN
+	1    3650 3950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R_Small R27
+U 1 1 6079137B
+P 3900 4200
+F 0 "R27" H 3700 4250 50  0000 L CNN
+F 1 "10M" H 3700 4150 50  0000 L CNN
+F 2 "" H 3900 4200 50  0001 C CNN
+F 3 "~" H 3900 4200 50  0001 C CNN
+	1    3900 4200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	3100 3300 3400 3300
+Wire Wire Line
+	3100 3400 3650 3400
+Wire Wire Line
+	3100 3500 3900 3500
+Wire Wire Line
+	5150 4400 3900 4400
+Connection ~ 5150 4400
+Wire Wire Line
+	3400 3600 3400 3300
+Connection ~ 3400 3300
+Wire Wire Line
+	3400 3300 4500 3300
+Wire Wire Line
+	3650 3850 3650 3400
+Connection ~ 3650 3400
+Wire Wire Line
+	3650 3400 4500 3400
+Wire Wire Line
+	3900 4100 3900 3500
+Connection ~ 3900 3500
+Wire Wire Line
+	3900 3500 4500 3500
+Wire Wire Line
+	3900 4300 3900 4400
+Connection ~ 3900 4400
+Wire Wire Line
+	3900 4400 3650 4400
+Wire Wire Line
+	3650 4050 3650 4400
+Connection ~ 3650 4400
+Wire Wire Line
+	3650 4400 3400 4400
+Wire Wire Line
+	3400 3800 3400 4400
+Wire Wire Line
+	5350 4400 5600 4400
+Connection ~ 5350 4400
+Wire Bus Line
+	4000 2700 4000 3150
+Wire Bus Line
+	3000 3400 3000 3900
+Wire Bus Line
+	6700 2950 6700 4600
+$EndSCHEMATC
diff --git a/kicad/sym-lib-table b/kicad/sym-lib-table
new file mode 100644
index 0000000..9f460d1
--- /dev/null
+++ b/kicad/sym-lib-table
@@ -0,0 +1,3 @@
+(sym_lib_table
+  (lib (name catahack-rescue)(type Legacy)(uri ${KIPRJMOD}/catahack-rescue.lib)(options "")(descr ""))
+)