P08.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A2 23386 16535
encoding utf-8
Sheet 12 16
Title "08 Serial"
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 2700 4900 2    50   ~ 0
PZ106
Text Label 2700 2600 2    50   ~ 0
PZ108
$Comp
L LOET.DE:8251 U131
U 1 1 636C46CD
P 3250 4200
F 0 "U131" H 3250 5381 50  0000 C CNN
F 1 "8251" H 3250 5290 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 2900 5200 50  0001 C CNN
F 3 "" H 2900 5200 50  0001 C CNN
	1    3250 4200
	1    0    0    -1  
$EndComp
Text Label 2450 2400 0    50   ~ 0
PZ005
Text Label 2450 4700 0    50   ~ 0
PZ005
$Comp
L power:GND #PWR0234
U 1 1 636CC6C4
P 3250 5150
F 0 "#PWR0234" H 3250 4900 50  0001 C CNN
F 1 "GND" V 3255 5022 50  0000 R CNN
F 2 "" H 3250 5150 50  0001 C CNN
F 3 "" H 3250 5150 50  0001 C CNN
	1    3250 5150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0235
U 1 1 636CD023
P 3250 2850
F 0 "#PWR0235" H 3250 2600 50  0001 C CNN
F 1 "GND" V 3255 2722 50  0000 R CNN
F 2 "" H 3250 2850 50  0001 C CNN
F 3 "" H 3250 2850 50  0001 C CNN
	1    3250 2850
	0    1    1    0   
$EndComp
$Comp
L power:+5P #PWR0236
U 1 1 636CF5CC
P 3250 900
F 0 "#PWR0236" H 3250 750 50  0001 C CNN
F 1 "+5P" V 3265 1028 50  0000 L CNN
F 2 "" H 3250 900 50  0001 C CNN
F 3 "" H 3250 900 50  0001 C CNN
	1    3250 900 
	0    1    1    0   
$EndComp
$Comp
L power:+5P #PWR0237
U 1 1 636CFF70
P 3250 3200
F 0 "#PWR0237" H 3250 3050 50  0001 C CNN
F 1 "+5P" V 3265 3328 50  0000 L CNN
F 2 "" H 3250 3200 50  0001 C CNN
F 3 "" H 3250 3200 50  0001 C CNN
	1    3250 3200
	0    1    1    0   
$EndComp
Text GLabel 1850 2600 0    50   Output ~ 0
IO_KBD
Text Label 2450 2500 0    50   ~ 0
PZ003
Text Label 2450 4800 0    50   ~ 0
PZ003
Text GLabel 2150 1000 0    50   BiDi ~ 0
DDD00
Text GLabel 2150 1100 0    50   BiDi ~ 0
DDD01
Text GLabel 2150 1200 0    50   BiDi ~ 0
DDD02
Text GLabel 2150 1300 0    50   BiDi ~ 0
DDD03
Text GLabel 2150 1400 0    50   BiDi ~ 0
DDD04
Text GLabel 2150 1500 0    50   BiDi ~ 0
DDD05
Text GLabel 2150 1600 0    50   BiDi ~ 0
DDD06
Text GLabel 2150 1700 0    50   BiDi ~ 0
DDD07
Wire Wire Line
	2700 1800 2350 1800
Text Label 2400 1800 0    50   ~ 0
DDD06
Wire Wire Line
	2700 1700 2350 1700
Text Label 2400 1700 0    50   ~ 0
DDD05
Wire Wire Line
	2700 1600 2350 1600
Text Label 2400 1600 0    50   ~ 0
DDD04
Wire Wire Line
	2700 1500 2350 1500
Text Label 2400 1500 0    50   ~ 0
DDD03
Wire Wire Line
	2700 1400 2350 1400
Text Label 2400 1400 0    50   ~ 0
DDD02
Wire Wire Line
	2700 1300 2350 1300
Text Label 2400 1300 0    50   ~ 0
DDD01
Wire Wire Line
	2700 1200 2350 1200
Text Label 2400 1200 0    50   ~ 0
DDD00
Wire Wire Line
	2700 1900 2350 1900
Text Label 2400 1900 0    50   ~ 0
DDD07
Wire Wire Line
	2700 4100 2350 4100
Text Label 2400 4100 0    50   ~ 0
DDD06
Wire Wire Line
	2700 4000 2350 4000
Text Label 2400 4000 0    50   ~ 0
DDD05
Wire Wire Line
	2700 3900 2350 3900
Text Label 2400 3900 0    50   ~ 0
DDD04
Wire Wire Line
	2700 3800 2350 3800
Text Label 2400 3800 0    50   ~ 0
DDD03
Wire Wire Line
	2700 3700 2350 3700
Text Label 2400 3700 0    50   ~ 0
DDD02
Wire Wire Line
	2700 3600 2350 3600
Text Label 2400 3600 0    50   ~ 0
DDD01
Wire Wire Line
	2700 3500 2350 3500
Text Label 2400 3500 0    50   ~ 0
DDD00
Wire Wire Line
	2700 4200 2350 4200
Text Label 2400 4200 0    50   ~ 0
DDD07
Text Label 2450 2200 0    50   ~ 0
PZ105
Text Label 2450 2300 0    50   ~ 0
AAA01
Text Label 2450 2100 0    50   ~ 0
PZ104
Text Label 2450 4500 0    50   ~ 0
PZ105
Text Label 2450 4600 0    50   ~ 0
AAA01
Text Label 2450 4400 0    50   ~ 0
PZ104
Wire Wire Line
	3800 1950 4250 1950
Wire Wire Line
	4250 1950 4250 2250
Wire Wire Line
	4250 2250 3800 2250
Wire Wire Line
	3800 2050 5550 2050
$Comp
L Device:R_Network07_Split RP10
U 7 1 62229F42
P 5550 1800
F 0 "RP10" H 5648 1838 50  0000 L CNN
F 1 "10k" H 5648 1747 50  0000 L CNN
F 2 "Resistor_THT:R_Array_SIP8" V 5470 1800 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 5550 1800 50  0001 C CNN
	7    5550 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 1950 5550 2050
Text Label 4350 2050 0    50   ~ 0
R1404
Text GLabel 5750 2050 2    50   Input ~ 0
KBD_RxD
Wire Wire Line
	5750 2050 5550 2050
Connection ~ 5550 2050
Entry Wire Line
	2250 3400 2350 3500
Entry Wire Line
	2250 3500 2350 3600
Entry Wire Line
	2250 3600 2350 3700
Entry Wire Line
	2250 3700 2350 3800
Entry Wire Line
	2250 3800 2350 3900
Entry Wire Line
	2250 3900 2350 4000
Entry Wire Line
	2250 4000 2350 4100
Entry Wire Line
	2250 4100 2350 4200
Entry Wire Line
	2250 1100 2350 1200
Entry Wire Line
	2250 1200 2350 1300
Entry Wire Line
	2250 1300 2350 1400
Entry Wire Line
	2250 1400 2350 1500
Entry Wire Line
	2250 1500 2350 1600
Entry Wire Line
	2250 1600 2350 1700
Entry Wire Line
	2250 1700 2350 1800
Entry Wire Line
	2250 1800 2350 1900
Entry Wire Line
	2150 1000 2250 1100
Entry Wire Line
	2150 1100 2250 1200
Entry Wire Line
	2150 1200 2250 1300
Entry Wire Line
	2150 1300 2250 1400
Entry Wire Line
	2150 1400 2250 1500
Entry Wire Line
	2150 1500 2250 1600
Entry Wire Line
	2150 1600 2250 1700
Entry Wire Line
	2150 1700 2250 1800
$Comp
L Connector:TestPoint B?
U 1 1 622B72E1
P 4700 1250
AR Path="/61F921A8/622B72E1" Ref="B?"  Part="1" 
AR Path="/626150ED/622B72E1" Ref="D.1"  Part="1" 
F 0 "D.1" H 4803 1322 50  0000 C CNN
F 1 "TestPoint" V 4804 1322 50  0001 C CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x01_P1.00mm_Vertical" H 4900 1250 50  0001 C CNN
F 3 "~" H 4900 1250 50  0001 C CNN
	1    4700 1250
	-1   0    0    1   
$EndComp
$Comp
L Connector:TestPoint B?
U 1 1 622B7C89
P 4250 2250
AR Path="/61F921A8/622B7C89" Ref="B?"  Part="1" 
AR Path="/626150ED/622B7C89" Ref="C.1"  Part="1" 
F 0 "C.1" V 4353 2322 50  0000 C CNN
F 1 "TestPoint" V 4354 2322 50  0001 C CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x01_P1.00mm_Vertical" H 4450 2250 50  0001 C CNN
F 3 "~" H 4450 2250 50  0001 C CNN
	1    4250 2250
	0    1    1    0   
$EndComp
Connection ~ 4250 2250
Wire Wire Line
	3800 1250 4700 1250
Wire Wire Line
	4250 2250 4250 2500
Wire Wire Line
	4700 1250 5250 1250
Connection ~ 4700 1250
Text Label 4850 1250 0    50   ~ 0
Bl.DTR
$Comp
L power:GND #PWR0141
U 1 1 622D0C19
P 3900 1150
F 0 "#PWR0141" H 3900 900 50  0001 C CNN
F 1 "GND" V 3905 1022 50  0000 R CNN
F 2 "" H 3900 1150 50  0001 C CNN
F 3 "" H 3900 1150 50  0001 C CNN
	1    3900 1150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3800 1150 3900 1150
Text Label 3850 1600 0    50   ~ 0
PH023
$Comp
L power:GND #PWR0317
U 1 1 622E04C7
P 3900 1350
F 0 "#PWR0317" H 3900 1100 50  0001 C CNN
F 1 "GND" V 3905 1222 50  0000 R CNN
F 2 "" H 3900 1350 50  0001 C CNN
F 3 "" H 3900 1350 50  0001 C CNN
	1    3900 1350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3800 1350 3900 1350
Text Label 3850 2150 0    50   ~ 0
PZ112
NoConn ~ 3800 2350
NoConn ~ 3800 1850
NoConn ~ 3800 1450
Text GLabel 5650 2150 2    50   Input ~ 0
INT_KBD_RX
Wire Wire Line
	3800 1750 4850 1750
Text GLabel 4850 1750 2    50   Input ~ 0
INT_KBD_TX
Text Label 3850 1750 0    50   ~ 0
PZ113
Wire Wire Line
	3800 2150 5650 2150
Wire Wire Line
	1850 2600 2700 2600
Wire Wire Line
	3800 1600 5750 1600
Text GLabel 5750 1600 2    50   Input ~ 0
KBD_TxD
Text Label 3850 4450 0    50   ~ 0
PZ110
Wire Wire Line
	3800 4450 5650 4450
Text GLabel 5650 4450 2    50   Input ~ 0
INT_SER_RX
Text Label 3850 4050 0    50   ~ 0
PZ111
Wire Wire Line
	3800 4050 5650 4050
Text GLabel 5650 4050 2    50   Input ~ 0
INT_SER_TX
Text GLabel 1850 4900 0    50   Output ~ 0
IO_SER
Wire Wire Line
	1850 4900 2700 4900
Entry Wire Line
	2000 4700 2100 4800
Entry Wire Line
	2000 4600 2100 4700
Entry Wire Line
	2000 4500 2100 4600
Entry Wire Line
	2000 4400 2100 4500
Entry Wire Line
	2000 4300 2100 4400
Wire Wire Line
	1050 2300 1900 2300
Wire Wire Line
	1050 2200 1900 2200
Wire Wire Line
	1050 2100 1900 2100
Wire Wire Line
	1050 2000 1900 2000
Wire Wire Line
	1050 1900 1900 1900
Text GLabel 1050 1900 0    50   Output ~ 0
RESET
Text GLabel 1050 2000 0    50   Output ~ 0
CLK.2MHz
Text GLabel 1050 2100 0    50   Output ~ 0
AAA01
Text GLabel 1050 2200 0    50   Output ~ 0
~RDIO
Text GLabel 1050 2300 0    50   Output ~ 0
~WRIO
Wire Wire Line
	2100 4800 2700 4800
Wire Wire Line
	2100 4700 2700 4700
Wire Wire Line
	2100 4600 2700 4600
Wire Wire Line
	2100 4500 2700 4500
Wire Wire Line
	2100 4400 2700 4400
Wire Wire Line
	2700 2100 2100 2100
Wire Wire Line
	2100 2200 2700 2200
Wire Wire Line
	2100 2300 2700 2300
Wire Wire Line
	2100 2400 2700 2400
Entry Wire Line
	2000 2000 2100 2100
Entry Wire Line
	2000 2100 2100 2200
Entry Wire Line
	2000 2200 2100 2300
Entry Wire Line
	2000 2300 2100 2400
Entry Wire Line
	2000 2400 2100 2500
Entry Wire Line
	1900 1900 2000 2000
Entry Wire Line
	1900 2000 2000 2100
Entry Wire Line
	1900 2100 2000 2200
Entry Wire Line
	1900 2200 2000 2300
Entry Wire Line
	1900 2300 2000 2400
Wire Wire Line
	9000 1050 9400 1050
Text Label 9100 1050 0    50   ~ 0
PH035
Text GLabel 9000 1050 0    50   Output ~ 0
V24:RING_IND
Wire Wire Line
	10000 1050 10400 1050
Text Label 10100 1050 0    50   ~ 0
PH037
Text GLabel 10400 1050 2    50   Input ~ 0
RING_IND
Wire Wire Line
	9000 1800 9400 1800
Text Label 9100 1800 0    50   ~ 0
PH034
Text GLabel 9000 1800 0    50   Output ~ 0
V24:SDET
Wire Wire Line
	10000 1800 10400 1800
Text Label 10100 1800 0    50   ~ 0
PH036
Text GLabel 10400 1800 2    50   Input ~ 0
SDET
$Comp
L LOET.DE:75189 U153
U 1 1 66183373
P 9400 1050
F 0 "U153" H 9700 1367 50  0000 C CNN
F 1 "75189" H 9700 1276 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 9695 1180 50  0001 C CNN
F 3 "" H 9695 1180 50  0001 C CNN
	1    9400 1050
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:75189 U153
U 2 1 6618C3EE
P 9400 1800
F 0 "U153" H 9700 2117 50  0000 C CNN
F 1 "75189" H 9700 2026 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 9695 1930 50  0001 C CNN
F 3 "" H 9695 1930 50  0001 C CNN
	2    9400 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 1300 9400 1300
Text Label 9100 1300 0    50   ~ 0
PH040
Wire Wire Line
	9000 2050 9400 2050
Text Label 9100 2050 0    50   ~ 0
PH039
Wire Wire Line
	2700 2500 2100 2500
Text Label 1100 2300 0    50   ~ 0
PZ003
Text Label 1100 2200 0    50   ~ 0
PZ005
Text Label 1100 2100 0    50   ~ 0
AAA01
Text Label 1100 1900 0    50   ~ 0
PZ104
Text Label 1100 2000 0    50   ~ 0
PZ105
$Comp
L LOET.DE:M20-Jumper.2 JP13
U 1 1 6502D23C
P 5050 5300
F 0 "JP13" H 5050 5433 50  0000 C CNN
F 1 "#C" H 5100 5500 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 5050 5400 50  0001 C CNN
F 3 "" H 5050 5400 50  0001 C CNN
	1    5050 5300
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:M20-Jumper.1 JP14
U 1 1 6503E1E3
P 5050 5800
F 0 "JP14" H 5050 6025 50  0000 C CNN
F 1 "#P" H 5050 5934 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 5050 5900 50  0001 C CNN
F 3 "" H 5050 5900 50  0001 C CNN
	1    5050 5800
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:M20-Jumper.1 JP16
U 1 1 650410A4
P 9000 5250
F 0 "JP16" H 9000 5475 50  0000 C CNN
F 1 "#T" H 9000 5384 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 9000 5350 50  0001 C CNN
F 3 "" H 9000 5350 50  0001 C CNN
	1    9000 5250
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:M20-Jumper JP15
U 1 1 65043081
P 7250 5300
F 0 "JP15" H 7250 5525 50  0000 C CNN
F 1 "#N" H 7250 5434 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 7250 5400 50  0001 C CNN
F 3 "" H 7250 5400 50  0001 C CNN
	1    7250 5300
	1    0    0    -1  
$EndComp
Text Label 3850 4250 0    50   ~ 0
PH019
Wire Wire Line
	5300 5300 5650 5300
Text Label 5350 5300 0    50   ~ 0
PH019
Wire Wire Line
	5300 5800 5650 5800
Text Label 5350 5800 0    50   ~ 0
PH019
Wire Wire Line
	4800 5300 4750 5300
Wire Wire Line
	4750 5300 4750 5800
Wire Wire Line
	4750 5800 4800 5800
Connection ~ 4750 5800
Wire Wire Line
	5050 5400 5050 5500
Text Label 5350 5500 0    50   ~ 0
PH022
Wire Wire Line
	5050 5500 5650 5500
Text Label 5350 6050 0    50   ~ 0
PZ107
Wire Wire Line
	4750 6050 5050 6050
Wire Wire Line
	4750 5800 4750 6050
Wire Wire Line
	5050 5900 5050 6050
Connection ~ 5050 6050
Wire Wire Line
	5050 6050 5650 6050
Text Label 6650 6750 0    50   ~ 0
PH022
Wire Wire Line
	6600 6750 7000 6750
$Comp
L LOET.DE:75188 U133
U 1 1 6510EDB5
P 7350 7250
F 0 "U133" H 7350 8000 50  0000 C CNN
F 1 "75188" H 7350 7900 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 7400 6950 50  0001 C CNN
F 3 "" H 7345 7980 50  0001 C CNN
	1    7350 7250
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:75189 U153
U 3 1 651CB102
P 9400 2500
F 0 "U153" H 9700 2817 50  0000 C CNN
F 1 "75189" H 9700 2726 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 9695 2630 50  0001 C CNN
F 3 "" H 9695 2630 50  0001 C CNN
	3    9400 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 2750 9400 2750
Text Label 9100 2750 0    50   ~ 0
PH038
$Comp
L Device:R_Network07_Split RP24
U 7 1 651DAAB2
P 8850 2750
F 0 "RP24" V 8950 2750 50  0000 C CNN
F 1 "27k" V 8750 2750 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 8770 2750 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 8850 2750 50  0001 C CNN
	7    8850 2750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9000 2500 9400 2500
Text Label 9100 2500 0    50   ~ 0
PH033
Text GLabel 9000 2500 0    50   Output ~ 0
V24:RXCLK
Wire Wire Line
	10000 2500 10400 2500
Text Label 10100 2500 0    50   ~ 0
PH032
Text GLabel 10400 2500 2    50   Input ~ 0
RXCLK
Text Label 6850 5600 0    50   ~ 0
PH032
Text GLabel 6750 5600 0    50   Output ~ 0
RXCLK
Wire Wire Line
	7250 5600 7250 5400
Wire Wire Line
	6750 5600 7250 5600
Text GLabel 8000 6750 2    50   Input ~ 0
V24:TXCLKA
Wire Wire Line
	7700 6750 8000 6750
Text GLabel 8000 7350 2    50   Input ~ 0
V24:DTR
Wire Wire Line
	7700 7350 8000 7350
Text Label 7750 7350 0    50   ~ 0
PH031
Wire Wire Line
	7000 7300 6950 7300
Wire Wire Line
	6950 7300 6950 7400
Wire Wire Line
	6950 7400 7000 7400
$Comp
L LOET.DE:M20-Jumper.1 JP17
U 1 1 64992638
P 4900 7250
F 0 "JP17" H 4900 7475 50  0000 C CNN
F 1 "#R" H 4900 7384 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 4900 7350 50  0001 C CNN
F 3 "" H 4900 7350 50  0001 C CNN
	1    4900 7250
	1    0    0    -1  
$EndComp
$Comp
L LOET.DE:M20-Jumper.2 JP18
U 1 1 649934AA
P 6000 6900
F 0 "JP18" H 6000 7125 50  0000 C CNN
F 1 "#S" H 6000 7034 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 6000 7000 50  0001 C CNN
F 3 "" H 6000 7000 50  0001 C CNN
	1    6000 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4900 7350 4900 7400
Wire Wire Line
	4900 7400 6950 7400
Connection ~ 6950 7400
Wire Wire Line
	3800 3550 4150 3550
Text Label 3850 3550 0    50   ~ 0
PH011
Wire Wire Line
	5150 7250 5500 7250
Text Label 5200 7250 0    50   ~ 0
PH011
Text GLabel 5250 1250 2    50   Input ~ 0
Bl.DTR
$Comp
L Connector:TestPoint D.?
U 1 1 649D3971
P 4500 7250
AR Path="/61F921A8/649D3971" Ref="D.?"  Part="1" 
AR Path="/626150ED/649D3971" Ref="D.2"  Part="1" 
F 0 "D.2" H 4603 7322 50  0000 C CNN
F 1 "TestPoint" V 4604 7322 50  0001 C CNN
F 2 "Connector_PinHeader_1.00mm:PinHeader_1x01_P1.00mm_Vertical" H 4700 7250 50  0001 C CNN
F 3 "~" H 4700 7250 50  0001 C CNN
	1    4500 7250
	-1   0    0    1   
$EndComp
Text GLabel 4300 7250 0    50   Output ~ 0
Bl.DTR
Wire Wire Line
	4300 7250 4500 7250
Connection ~ 4500 7250
Wire Wire Line
	4500 7250 4650 7250
Text GLabel 12400 1250 0    50   Output ~ 0
V24:RX
Wire Wire Line
	12400 1250 12750 1250
Text Label 12500 1250 0    50   ~ 0
PH030
$Comp
L LOET.DE:75189 U132
U 1 1 649FD84E
P 12750 1250
F 0 "U132" H 13050 1567 50  0000 C CNN
F 1 "75189" H 13050 1476 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 13045 1380 50  0001 C CNN
F 3 "" H 13045 1380 50  0001 C CNN
	1    12750 1250
	1    0    0    -1  
$EndComp
Text GLabel 8000 6950 2    50   Input ~ 0
V24:TX
Wire Wire Line
	7700 6950 8000 6950
Text Label 7750 6950 0    50   ~ 0
PH029
Text GLabel 12400 1950 0    50   Output ~ 0
V24:DSR
Text Label 12500 1950 0    50   ~ 0
PH026
$Comp
L LOET.DE:75189 U132
U 4 1 65096D62
P 12750 1950
F 0 "U132" H 13050 2267 50  0000 C CNN
F 1 "75189" H 13050 2176 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 13045 2080 50  0001 C CNN
F 3 "" H 13045 2080 50  0001 C CNN
	4    12750 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	12400 1950 12750 1950
Text GLabel 8000 7150 2    50   Input ~ 0
V24:RTS
Wire Wire Line
	7700 7150 8000 7150
Text Label 7750 7150 0    50   ~ 0
PH028
$Comp
L LOET.DE:75189 U132
U 3 1 6585DC5C
P 12750 2600
F 0 "U132" H 13050 2917 50  0000 C CNN
F 1 "75189" H 13050 2826 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 13045 2730 50  0001 C CNN
F 3 "" H 13045 2730 50  0001 C CNN
	3    12750 2600
	1    0    0    -1  
$EndComp
Text GLabel 12400 2600 0    50   Output ~ 0
V24:CTS
Text Label 12500 2600 0    50   ~ 0
PH027
Wire Wire Line
	12400 2600 12750 2600
$Comp
L LOET.DE:75189 U132
U 2 1 65B0C07D
P 12750 3250
F 0 "U132" H 13050 3567 50  0000 C CNN
F 1 "75189" H 13050 3476 50  0000 C CNN
F 2 "Package_DIP:DIP-14_W7.62mm" H 13045 3380 50  0001 C CNN
F 3 "" H 13045 3380 50  0001 C CNN
	2    12750 3250
	1    0    0    -1  
$EndComp
Text GLabel 12400 3250 0    50   Output ~ 0
V24:TXCKB
Text Label 12500 3250 0    50   ~ 0
PH002
Wire Wire Line
	12400 3250 12750 3250
$Comp
L LOET.DE:8251 U22
U 1 1 636C1C3D
P 3250 1900
F 0 "U22" H 3250 3081 50  0000 C CNN
F 1 "8251" H 3250 2990 50  0000 C CNN
F 2 "Package_DIP:DIP-28_W15.24mm" H 2900 2900 50  0001 C CNN
F 3 "" H 2900 2900 50  0001 C CNN
	1    3250 1900
	1    0    0    -1  
$EndComp
Text GLabel 4550 2500 2    50   Input ~ 0
BL.SerClk
Wire Wire Line
	4550 2500 4250 2500
Text GLabel 5650 6050 2    50   Input ~ 0
SerClk
Text GLabel 5650 4250 2    50   Output ~ 0
SER_TXC
Wire Wire Line
	3800 4250 5650 4250
Text GLabel 5650 5300 2    50   Input ~ 0
SER_TXC
Text GLabel 5650 5800 2    50   Output ~ 0
SER_TXC
Wire Wire Line
	3800 4550 4150 4550
Text Label 3850 4550 0    50   ~ 0
PH020
Wire Wire Line
	6650 5300 7000 5300
Text Label 6700 5300 0    50   ~ 0
PH020
Wire Wire Line
	3800 3750 4150 3750
Text Label 3850 3750 0    50   ~ 0
PH010
Wire Wire Line
	5400 6900 5750 6900
Text Label 5450 6900 0    50   ~ 0
PH010
Wire Wire Line
	3800 3450 4150 3450
Text Label 3850 3450 0    50   ~ 0
PH008
Text Label 13450 1950 0    50   ~ 0
PH008
Wire Wire Line
	13350 1950 13700 1950
$Comp
L power:GND #PWR0817
U 1 1 67CC030A
P 9300 5250
F 0 "#PWR0817" H 9300 5000 50  0001 C CNN
F 1 "GND" V 9305 5122 50  0000 R CNN
F 2 "" H 9300 5250 50  0001 C CNN
F 3 "" H 9300 5250 50  0001 C CNN
	1    9300 5250
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9250 5250 9300 5250
$Comp
L power:GND #PWR0818
U 1 1 67CEF084
P 6300 6900
F 0 "#PWR0818" H 6300 6650 50  0001 C CNN
F 1 "GND" V 6305 6772 50  0000 R CNN
F 2 "" H 6300 6900 50  0001 C CNN
F 3 "" H 6300 6900 50  0001 C CNN
	1    6300 6900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6250 6900 6300 6900
Wire Wire Line
	3800 3900 4150 3900
Text Label 3850 3900 0    50   ~ 0
PH009
Wire Wire Line
	7000 6900 6950 6900
Wire Wire Line
	6950 6900 6950 6950
Wire Wire Line
	6950 7000 7000 7000
Text Label 6650 6950 0    50   ~ 0
PH009
Wire Wire Line
	6600 6950 6950 6950
Connection ~ 6950 6950
Wire Wire Line
	6950 6950 6950 7000
NoConn ~ 3800 4150
Wire Wire Line
	3800 3650 4150 3650
Text Label 3850 3650 0    50   ~ 0
PH007
Wire Wire Line
	8650 5500 9000 5500
Text Label 8700 5500 0    50   ~ 0
PH007
Wire Wire Line
	9000 5500 9000 5350
NoConn ~ 3800 4650
Wire Wire Line
	3800 4350 4150 4350
Text Label 3850 4350 0    50   ~ 0
PH004
$Comp
L Device:R_Network07_Split RP24
U 6 1 67DF1F15
P 8850 1300
F 0 "RP24" V 8950 1300 50  0000 C CNN
F 1 "27k" V 8750 1300 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 8770 1300 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 8850 1300 50  0001 C CNN
	6    8850 1300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Network07_Split RP24
U 3 1 67E9EF25
P 12600 3500
F 0 "RP24" V 12700 3500 50  0000 C CNN
F 1 "27k" V 12500 3500 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 12520 3500 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 12600 3500 50  0001 C CNN
	3    12600 3500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8400 5250 8750 5250
Text Label 8450 5250 0    50   ~ 0
PH006
Text Label 13450 2600 0    50   ~ 0
PH006
Wire Wire Line
	13350 2600 13700 2600
Text Label 13450 3250 0    50   ~ 0
PH005
Wire Wire Line
	13350 3250 13700 3250
Text Label 7550 5300 0    50   ~ 0
PH005
Wire Wire Line
	7500 5300 7800 5300
$Comp
L Device:R_Network07_Split RP24
U 5 1 68068EC6
P 8850 2050
F 0 "RP24" V 8950 2050 50  0000 C CNN
F 1 "27k" V 8750 2050 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 8770 2050 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 8850 2050 50  0001 C CNN
	5    8850 2050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Network07_Split RP24
U 4 1 68072FF3
P 12600 2850
F 0 "RP24" V 12700 2850 50  0000 C CNN
F 1 "27k" V 12500 2850 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 12520 2850 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 12600 2850 50  0001 C CNN
	4    12600 2850
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Network07_Split RP24
U 2 1 680846C0
P 12600 2200
F 0 "RP24" V 12700 2200 50  0000 C CNN
F 1 "27k" V 12500 2200 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 12520 2200 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 12600 2200 50  0001 C CNN
	2    12600 2200
	0    -1   -1   0   
$EndComp
Text Label 13450 1250 0    50   ~ 0
PH004
Wire Wire Line
	13350 1250 13700 1250
$Comp
L power:-12V #PWR?
U 1 1 680BFA40
P 12450 1500
AR Path="/62047FF5/680BFA40" Ref="#PWR?"  Part="1" 
AR Path="/626150ED/680BFA40" Ref="#PWR0810"  Part="1" 
F 0 "#PWR0810" H 12450 1600 50  0001 C CNN
F 1 "-12V" V 12450 1750 50  0000 C CNN
F 2 "" H 12450 1500 50  0001 C CNN
F 3 "" H 12450 1500 50  0001 C CNN
	1    12450 1500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Network07_Split RP24
U 1 1 680C50A3
P 12600 1500
F 0 "RP24" V 12700 1500 50  0000 C CNN
F 1 "27k" V 12500 1500 50  0000 C CNN
F 2 "Resistor_THT:R_Array_SIP8" V 12520 1500 50  0001 C CNN
F 3 "http://www.vishay.com/docs/31509/csc.pdf" H 12600 1500 50  0001 C CNN
	1    12600 1500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7000 7100 6950 7100
Wire Wire Line
	6950 7100 6950 7150
Wire Wire Line
	6950 7200 7000 7200
Wire Wire Line
	6950 7150 6000 7150
Wire Wire Line
	6000 7150 6000 7000
Connection ~ 6950 7150
Wire Wire Line
	6950 7150 6950 7200
Text Label 6650 7150 0    50   ~ 0
PH012
Text Label 6650 7400 0    50   ~ 0
PH013
Wire Bus Line
	2000 2000 2000 4700
Wire Bus Line
	2250 1100 2250 4100
$EndSCHEMATC