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sss7modem
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EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:dcdc
LIBS:74hct125
LIBS:sss7modem-cache
EELAYER 27 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Seidenstrasse Signaling System 7 Modem"
Date "21 may 2015"
Rev "0.2"
Comp "Telebørken"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
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U 1 1 5557C097
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F 0 "R3" V 7380 5900 40 0000 C CNN
F 1 "120" V 7307 5901 40 0000 C CNN
F 2 "~" V 7230 5900 30 0000 C CNN
F 3 "~" H 7300 5900 30 0000 C CNN
1 7300 5900
1 0 0 -1
$EndComp
$Comp
L R R2
U 1 1 5557C0BD
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F 0 "R2" V 5280 4100 40 0000 C CNN
F 1 "1k" V 5207 4101 40 0000 C CNN
F 2 "~" V 5130 4100 30 0000 C CNN
F 3 "~" H 5200 4100 30 0000 C CNN
1 5200 4100
1 0 0 -1
$EndComp
$Comp
L R R1
U 1 1 5557C0CC
P 4800 4100
F 0 "R1" V 4880 4100 40 0000 C CNN
F 1 "1k" V 4807 4101 40 0000 C CNN
F 2 "~" V 4730 4100 30 0000 C CNN
F 3 "~" H 4800 4100 30 0000 C CNN
1 4800 4100
1 0 0 -1
$EndComp
$Comp
L LED D1
U 1 1 5557C0EA
P 4800 4650
F 0 "D1" H 4800 4750 50 0000 C CNN
F 1 "LED" H 4800 4550 50 0000 C CNN
F 2 "~" H 4800 4650 60 0000 C CNN
F 3 "~" H 4800 4650 60 0000 C CNN
1 4800 4650
0 1 1 0
$EndComp
$Comp
L LED D2
U 1 1 5557C0F9
P 5200 4650
F 0 "D2" H 5200 4750 50 0000 C CNN
F 1 "LED" H 5200 4550 50 0000 C CNN
F 2 "~" H 5200 4650 60 0000 C CNN
F 3 "~" H 5200 4650 60 0000 C CNN
1 5200 4650
0 1 1 0
$EndComp
$Comp
L CONN_4 P1
U 1 1 5557C144
P 2250 3500
F 0 "P1" V 2200 3500 50 0000 C CNN
F 1 "CONN_4" V 2300 3500 50 0000 C CNN
F 2 "~" H 2250 3500 60 0000 C CNN
F 3 "~" H 2250 3500 60 0000 C CNN
1 2250 3500
-1 0 0 1
$EndComp
$Comp
L GND #PWR01
U 1 1 5557C1DC
P 2750 3900
F 0 "#PWR01" H 2750 3900 30 0001 C CNN
F 1 "GND" H 2750 3830 30 0001 C CNN
F 2 "" H 2750 3900 60 0000 C CNN
F 3 "" H 2750 3900 60 0000 C CNN
1 2750 3900
1 0 0 -1
$EndComp
$Comp
L +5V #PWR02
U 1 1 5557C20B
P 2750 3150
F 0 "#PWR02" H 2750 3240 20 0001 C CNN
F 1 "+5V" H 2750 3240 30 0000 C CNN
F 2 "" H 2750 3150 60 0000 C CNN
F 3 "" H 2750 3150 60 0000 C CNN
1 2750 3150
1 0 0 -1
$EndComp
$Comp
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P 10600 5350
F 0 "K1" V 10550 5350 50 0000 C CNN
F 1 "CONN_3" V 10650 5350 40 0000 C CNN
F 2 "~" H 10600 5350 60 0000 C CNN
F 3 "~" H 10600 5350 60 0000 C CNN
1 10600 5350
1 0 0 1
$EndComp
$Comp
L R R4
U 1 1 5557C303
P 9650 4800
F 0 "R4" V 9730 4800 40 0000 C CNN
F 1 "60" V 9657 4801 40 0000 C CNN
F 2 "~" V 9580 4800 30 0000 C CNN
F 3 "~" H 9650 4800 30 0000 C CNN
1 9650 4800
1 0 0 -1
$EndComp
$Comp
L JUMPER JP1
U 1 1 5557C31C
P 10050 4800
F 0 "JP1" H 10050 4950 60 0000 C CNN
F 1 "JUMPER" H 10050 4720 40 0000 C CNN
F 2 "~" H 10050 4800 60 0000 C CNN
F 3 "~" H 10050 4800 60 0000 C CNN
1 10050 4800
0 -1 -1 0
$EndComp
$Comp
L C C2
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F 0 "C2" H 5100 2100 40 0000 L CNN
F 1 "100nF" H 5106 1915 40 0000 L CNN
F 2 "~" H 5138 1850 30 0000 C CNN
F 3 "~" H 5100 2000 60 0000 C CNN
1 5100 2000
1 0 0 -1
$EndComp
$Comp
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U 1 1 5557C4BF
P 5450 2750
F 0 "#PWR03" H 5450 2750 30 0001 C CNN
F 1 "GND" H 5450 2680 30 0001 C CNN
F 2 "" H 5450 2750 60 0000 C CNN
F 3 "" H 5450 2750 60 0000 C CNN
1 5450 2750
1 0 0 -1
$EndComp
$Comp
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P 4750 2000
F 0 "C1" H 4800 2100 50 0000 L CNN
F 1 "47uF" H 4800 1900 50 0000 L CNN
F 2 "~" H 4750 2000 60 0000 C CNN
F 3 "~" H 4750 2000 60 0000 C CNN
1 4750 2000
1 0 0 -1
$EndComp
$Comp
L R R5
U 1 1 5557C4DD
P 5450 1900
F 0 "R5" V 5530 1900 40 0000 C CNN
F 1 "1k" V 5457 1901 40 0000 C CNN
F 2 "~" V 5380 1900 30 0000 C CNN
F 3 "~" H 5450 1900 30 0000 C CNN
1 5450 1900
1 0 0 -1
$EndComp
$Comp
L LED D3
U 1 1 5557C4EC
P 5450 2450
F 0 "D3" H 5450 2550 50 0000 C CNN
F 1 "LED" H 5450 2350 50 0000 C CNN
F 2 "~" H 5450 2450 60 0000 C CNN
F 3 "~" H 5450 2450 60 0000 C CNN
1 5450 2450
0 1 1 0
$EndComp
$Comp
L GND #PWR04
U 1 1 5557C505
P 5100 2750
F 0 "#PWR04" H 5100 2750 30 0001 C CNN
F 1 "GND" H 5100 2680 30 0001 C CNN
F 2 "" H 5100 2750 60 0000 C CNN
F 3 "" H 5100 2750 60 0000 C CNN
1 5100 2750
1 0 0 -1
$EndComp
$Comp
L GND #PWR05
U 1 1 5557C51E
P 4750 2750
F 0 "#PWR05" H 4750 2750 30 0001 C CNN
F 1 "GND" H 4750 2680 30 0001 C CNN
F 2 "" H 4750 2750 60 0000 C CNN
F 3 "" H 4750 2750 60 0000 C CNN
1 4750 2750
1 0 0 -1
$EndComp
$Comp
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U 1 1 5557C627
P 4750 1450
F 0 "#PWR06" H 4750 1540 20 0001 C CNN
F 1 "+5V" H 4750 1540 30 0000 C CNN
F 2 "" H 4750 1450 60 0000 C CNN
F 3 "" H 4750 1450 60 0000 C CNN
1 4750 1450
1 0 0 -1
$EndComp
$Comp
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U 1 1 5557C9B9
P 7950 5350
F 0 "IC1" H 7700 5650 40 0000 C CNN
F 1 "MCP2551-I/SN" H 8200 5050 40 0000 C CNN
F 2 "SO8" H 7950 5350 35 0000 C CIN
F 3 "~" H 7950 5350 60 0000 C CNN
1 7950 5350
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DB3D8
P 6400 5500
F 0 "IC3" H 6186 5679 40 0000 C CNN
F 1 "LTV-352T" H 6505 5315 40 0000 C CNN
F 2 "MFSOP6" H 6236 5325 29 0000 C CNN
F 3 "~" H 6400 5500 60 0000 C CNN
1 6400 5500
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DB3E7
P 6400 5050
F 0 "IC2" H 6186 5229 40 0000 C CNN
F 1 "LTV-352T" H 6505 4865 40 0000 C CNN
F 2 "MFSOP6" H 6236 4875 29 0000 C CNN
F 3 "~" H 6400 5050 60 0000 C CNN
1 6400 5050
-1 0 0 -1
$EndComp
Text GLabel 7950 4200 1 60 Input ~ 0
BUS_5V
$Comp
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U 1 1 555DB5D6
P 6750 4550
F 0 "R8" V 6830 4550 40 0000 C CNN
F 1 "390" V 6757 4551 40 0000 C CNN
F 2 "~" V 6680 4550 30 0000 C CNN
F 3 "~" H 6750 4550 30 0000 C CNN
1 6750 4550
1 0 0 -1
$EndComp
Text GLabel 6750 4200 1 60 Input ~ 0
BUS_5V
$Comp
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U 1 1 555DB70E
P 7000 4550
F 0 "R9" V 7080 4550 40 0000 C CNN
F 1 "1k" V 7007 4551 40 0000 C CNN
F 2 "~" V 6930 4550 30 0000 C CNN
F 3 "~" H 7000 4550 30 0000 C CNN
1 7000 4550
1 0 0 -1
$EndComp
Text GLabel 7000 4200 1 60 Input ~ 0
BUS_5V
$Comp
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U 1 1 555DB78B
P 5900 4550
F 0 "R7" V 5980 4550 40 0000 C CNN
F 1 "R" V 5907 4551 40 0000 C CNN
F 2 "~" V 5830 4550 30 0000 C CNN
F 3 "~" H 5900 4550 30 0000 C CNN
1 5900 4550
1 0 0 -1
$EndComp
$Comp
L R R6
U 1 1 555DB83F
P 5700 4550
F 0 "R6" V 5780 4550 40 0000 C CNN
F 1 "390" V 5707 4551 40 0000 C CNN
F 2 "~" V 5630 4550 30 0000 C CNN
F 3 "~" H 5700 4550 30 0000 C CNN
1 5700 4550
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DB8F2
P 5900 6150
F 0 "#PWR07" H 5900 6150 30 0001 C CNN
F 1 "GND" H 5900 6080 30 0001 C CNN
F 2 "" H 5900 6150 60 0000 C CNN
F 3 "" H 5900 6150 60 0000 C CNN
1 5900 6150
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DB901
P 5900 3750
F 0 "#PWR08" H 5900 3840 20 0001 C CNN
F 1 "+5V" H 5900 3840 30 0000 C CNN
F 2 "" H 5900 3750 60 0000 C CNN
F 3 "" H 5900 3750 60 0000 C CNN
1 5900 3750
1 0 0 -1
$EndComp
$Comp
L +5V #PWR09
U 1 1 555DB910
P 5700 3750
F 0 "#PWR09" H 5700 3840 20 0001 C CNN
F 1 "+5V" H 5700 3840 30 0000 C CNN
F 2 "" H 5700 3750 60 0000 C CNN
F 3 "" H 5700 3750 60 0000 C CNN
1 5700 3750
1 0 0 -1
$EndComp
Text GLabel 6850 6200 3 60 Input ~ 0
BUS_GND
Text GLabel 7300 6200 3 60 Input ~ 0
BUS_GND
Text GLabel 7950 6200 3 60 Input ~ 0
BUS_GND
Text GLabel 10250 6200 3 60 Input ~ 0
BUS_GND
$Comp
L +5V #PWR010
U 1 1 555DBD12
P 4800 3750
F 0 "#PWR010" H 4800 3840 20 0001 C CNN
F 1 "+5V" H 4800 3840 30 0000 C CNN
F 2 "" H 4800 3750 60 0000 C CNN
F 3 "" H 4800 3750 60 0000 C CNN
1 4800 3750
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DBD18
P 5200 3750
F 0 "#PWR011" H 5200 3840 20 0001 C CNN
F 1 "+5V" H 5200 3840 30 0000 C CNN
F 2 "" H 5200 3750 60 0000 C CNN
F 3 "" H 5200 3750 60 0000 C CNN
1 5200 3750
1 0 0 -1
$EndComp
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
8400 5250 10250 5250
Wire Wire Line
8400 5450 10150 5450
Wire Wire Line
9650 5250 9650 5050
Connection ~ 9650 5250
Wire Wire Line
9650 4550 9650 4450
Wire Wire Line
9650 4450 10050 4450
Wire Wire Line
10050 4450 10050 4500
Wire Wire Line
10050 5450 10050 5100
Connection ~ 10050 5450
Wire Wire Line
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Wire Wire Line
10150 5450 10150 5350
Wire Wire Line
10150 5350 10250 5350
Wire Wire Line
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Wire Wire Line
5450 2250 5450 2150
Wire Wire Line
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Wire Wire Line
4750 2750 4750 2200
Wire Wire Line
4750 1450 4750 1800
Wire Wire Line
4750 1600 5850 1600
Wire Wire Line
5450 1600 5450 1650
Wire Wire Line
5100 1800 5100 1600
Connection ~ 5100 1600
Connection ~ 4750 1600
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
6750 4300 6750 4200
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 7000 5250
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Connection ~ 5900 4950
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
5200 4350 5200 4450
Wire Wire Line
4800 4450 4800 4350
Wire Wire Line
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Wire Wire Line
5900 5150 6050 5150
Connection ~ 5200 4950
Wire Wire Line
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Wire Wire Line
4800 3850 4800 3750
Wire Wire Line
4800 4850 4800 5600
Connection ~ 5450 1600
$Comp
L C C4
U 1 1 555DC2DE
P 7600 2000
F 0 "C4" H 7600 2100 40 0000 L CNN
F 1 "100nF" H 7606 1915 40 0000 L CNN
F 2 "~" H 7638 1850 30 0000 C CNN
F 3 "~" H 7600 2000 60 0000 C CNN
1 7600 2000
1 0 0 -1
$EndComp
$Comp
L CP1 C3
U 1 1 555DC2EA
P 7250 2000
F 0 "C3" H 7300 2100 50 0000 L CNN
F 1 "47uF" H 7300 1900 50 0000 L CNN
F 2 "~" H 7250 2000 60 0000 C CNN
F 3 "~" H 7250 2000 60 0000 C CNN
1 7250 2000
1 0 0 -1
$EndComp
$Comp
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U 1 1 555DC2F0
P 7950 1900
F 0 "R10" V 8030 1900 40 0000 C CNN
F 1 "1k" V 7957 1901 40 0000 C CNN
F 2 "~" V 7880 1900 30 0000 C CNN
F 3 "~" H 7950 1900 30 0000 C CNN
1 7950 1900
1 0 0 -1
$EndComp
$Comp
L LED D4
U 1 1 555DC2F6
P 7950 2450
F 0 "D4" H 7950 2550 50 0000 C CNN
F 1 "LED" H 7950 2350 50 0000 C CNN
F 2 "~" H 7950 2450 60 0000 C CNN
F 3 "~" H 7950 2450 60 0000 C CNN
1 7950 2450
0 1 1 0
$EndComp
Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
7950 1600 7950 1650
Wire Wire Line
7600 1600 7600 1800
Connection ~ 7600 1600
Connection ~ 7950 1600
Wire Wire Line
7250 1800 7250 1600
Wire Wire Line
6950 1600 8250 1600
Wire Wire Line
8250 1600 8250 1450
Text GLabel 8250 1450 1 60 Input ~ 0
BUS_5V
Text GLabel 7250 2750 3 60 Input ~ 0
BUS_GND
Text GLabel 7600 2750 3 60 Input ~ 0
BUS_GND
Text GLabel 7950 2750 3 60 Input ~ 0
BUS_GND
Wire Notes Line
6400 2300 6400 4850
Wire Notes Line
6400 5750 6400 7350
$Comp
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U 1 1 555DC8A6
P 6400 1850
F 0 "U1" H 6400 1750 60 0000 C CNN
F 1 "SIM1-0505" H 6400 1950 49 0000 C CNN
F 2 "~" H 6400 1850 60 0000 C CNN
F 3 "~" H 6400 1850 60 0000 C CNN
1 6400 1850
1 0 0 -1
$EndComp
Connection ~ 7250 1600
Text GLabel 6950 2750 3 60 Input ~ 0
BUS_GND
$Comp
L GND #PWR012
U 1 1 555DC925
P 5850 2750
F 0 "#PWR012" H 5850 2750 30 0001 C CNN
F 1 "GND" H 5850 2680 30 0001 C CNN
F 2 "" H 5850 2750 60 0000 C CNN
F 3 "" H 5850 2750 60 0000 C CNN
1 5850 2750
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
5850 2100 5850 2750
Wire Notes Line
6400 1400 6400 750
$Comp
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P 8850 4950
F 0 "D5" H 8850 5050 40 0000 C CNN
F 1 "DIODE" H 8850 4850 40 0000 C CNN
F 2 "~" H 8850 4950 60 0000 C CNN
F 3 "~" H 8850 4950 60 0000 C CNN
1 8850 4950
0 -1 -1 0
$EndComp
$Comp
L DIODE D7
U 1 1 555DD095
P 9200 4950
F 0 "D7" H 9200 5050 40 0000 C CNN
F 1 "DIODE" H 9200 4850 40 0000 C CNN
F 2 "~" H 9200 4950 60 0000 C CNN
F 3 "~" H 9200 4950 60 0000 C CNN
1 9200 4950
0 -1 -1 0
$EndComp
$Comp
L DIODE D6
U 1 1 555DD09B
P 8850 5750
F 0 "D6" H 8850 5850 40 0000 C CNN
F 1 "DIODE" H 8850 5650 40 0000 C CNN
F 2 "~" H 8850 5750 60 0000 C CNN
F 3 "~" H 8850 5750 60 0000 C CNN
1 8850 5750
0 -1 -1 0
$EndComp
$Comp
L DIODE D8
U 1 1 555DD0A1
P 9200 5750
F 0 "D8" H 9200 5850 40 0000 C CNN
F 1 "DIODE" H 9200 5650 40 0000 C CNN
F 2 "~" H 9200 5750 60 0000 C CNN
F 3 "~" H 9200 5750 60 0000 C CNN
1 9200 5750
0 -1 -1 0
$EndComp
Wire Wire Line
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Connection ~ 9200 5250
Wire Wire Line
8850 5150 8850 5550
Connection ~ 8850 5450
Text GLabel 9200 6200 3 60 Input ~ 0
BUS_GND
Text GLabel 8850 6200 3 60 Input ~ 0
BUS_GND
Wire Wire Line
9200 6200 9200 5950
Wire Wire Line
8850 6200 8850 5950
Text GLabel 8850 4200 1 60 Input ~ 0
BUS_5V
Text GLabel 9200 4200 1 60 Input ~ 0
BUS_5V
Wire Wire Line
9200 4750 9200 4200
Wire Wire Line
8850 4750 8850 4200
$Comp
L 74HCT125 U2
U 1 1 555DD9E4
P 2750 5550
F 0 "U2" H 2750 5300 60 0000 C CNN
F 1 "74HCT125" V 2750 5600 60 0000 C CNN
F 2 "~" H 3300 5850 60 0000 C CNN
F 3 "~" H 3300 5850 60 0000 C CNN
1 2750 5550
1 0 0 -1
$EndComp
Connection ~ 4800 5300
Wire Wire Line
4800 5600 6050 5600
Wire Wire Line
4450 5300 4800 5300
Text GLabel 4450 4950 0 60 Input ~ 0
RXD
Text GLabel 4450 5300 0 60 Input ~ 0
TXD
Text GLabel 3550 4950 2 60 Input ~ 0
TXD
Wire Wire Line
3450 4950 3550 4950
Text GLabel 1950 5300 0 60 Input ~ 0
RXD
Wire Wire Line
1950 5300 2050 5300
Text GLabel 3550 5300 2 60 Input ~ 0
RXDout
Text GLabel 1950 4950 0 60 Input ~ 0
TXDin
Wire Wire Line
1950 4950 2050 4950
Wire Wire Line
3450 5300 3550 5300
Wire Wire Line
2050 5100 1650 5100
Wire Wire Line
1650 5100 1650 6650
Wire Wire Line
2050 5450 1650 5450
Connection ~ 1650 5450
Wire Wire Line
2750 6500 2750 6650
$Comp
L GND #PWR013
U 1 1 555DDFCF
P 1650 6650
F 0 "#PWR013" H 1650 6650 30 0001 C CNN
F 1 "GND" H 1650 6580 30 0001 C CNN
F 2 "" H 1650 6650 60 0000 C CNN
F 3 "" H 1650 6650 60 0000 C CNN
1 1650 6650
1 0 0 -1
$EndComp
$Comp
L GND #PWR014
U 1 1 555DDFDE
P 2750 6650
F 0 "#PWR014" H 2750 6650 30 0001 C CNN
F 1 "GND" H 2750 6580 30 0001 C CNN
F 2 "" H 2750 6650 60 0000 C CNN
F 3 "" H 2750 6650 60 0000 C CNN
1 2750 6650
1 0 0 -1
$EndComp
Wire Wire Line
2750 4600 2750 4450
$Comp
L +5V #PWR015
U 1 1 555DE04E
P 2750 4450
F 0 "#PWR015" H 2750 4540 20 0001 C CNN
F 1 "+5V" H 2750 4540 30 0000 C CNN
F 2 "" H 2750 4450 60 0000 C CNN
F 3 "" H 2750 4450 60 0000 C CNN
1 2750 4450
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
2900 3450 2900 3400
Wire Wire Line
2900 3400 3100 3400
Wire Wire Line
2600 3550 2900 3550
Wire Wire Line
2900 3550 2900 3600
Wire Wire Line
2900 3600 3100 3600
Text GLabel 3100 3600 2 60 Input ~ 0
TXDin
Text GLabel 3100 3400 2 60 Input ~ 0
RXDout
Text Notes 7550 900 0 197 ~ 0
Bus side
Text Notes 3950 900 0 197 ~ 0
Input side
$EndSCHEMATC
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