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Circuit Description of Mother Board (PCB-7674)
Mother board is the board for relaying the followings: main CPU board (PCB-7673), extended board
(PCB-7678), power board (PCB-7676), AUX board (PCB-7710), Battery I/F board (PCB-7629), rear module,
module slot, speaker, built-in recorder, telemeter, and short-term backup battery.
It has the IrDA controller for communication with module slot, and RS-232 transceiver for the telemeter.
Built-in Recorder Connector (CN1)
No.
Signal Name
Remarks
Signal Level
1 TX1+
Serial
trans
RS-485
2 TX1-
Serial
transmission-
RS-485
3 RX1+
Serial
re
RS-485
4 RX1-
Serial
reception-
RS-485
5 RESET
WE
Reset
Signal
TTL
6 NC
Not
connected
7 CNT1
Recorder
detection
8 CNT2
Reserved
9 VCC
+18V
10 VCC
+18V
11 VCC
+18V
12 GND
GND
13 GND
GND
14 GND
GND
Option Module Connector (CN2)
No.
Signal Name
Remarks
Signal Level
1
5V 5V
2
5V 5V
3
Reserve Not
connected
4
RESET RESET
5
TXD_RF Serial
transmission
6
RXD_RF Serial
reception
7
GND GND
8
RX+ LAN
re
100BASE-T
9
RX- LAN
reception-
100BASE-T
10
GND GND
11
TX+ LAN
trans
100BASE-T
12
TX- LAN
transmission-
100BASE-T
Speaker Connector (CN3)
No.
Signal Name
Remarks
Signal Level
1
SP+
2
SP- Speaker-
Summary of Contents for DS-8400
Page 4: ......
Page 36: ...xxxii ...
Page 46: ...1 6 ...
Page 74: ...3 4 ...
Page 117: ...5 1 Wiring Diagram Chapter 5 Main Unit DSC 8400 5 2 ...
Page 120: ...5 4 ...
Page 128: ...6 8 ...
Page 130: ...7 2 DSC 8410 CPU Unit BLK ...
Page 132: ...7 4 DSC 8410 Power Supply Unit BLK ...
Page 135: ...7 7 DSC 8410 Assembly 1 Front Case Part ...
Page 137: ...7 9 DSC 8410 Assembly 2 CPU Unit Part ...
Page 139: ...7 11 DSC 8410 Assembly 3 Joint Part Expansion Module Part ...
Page 141: ...7 13 DSC 8410 Assembly 4 COM AUX Part Recorder Part ...
Page 143: ...7 15 DSC 8410 Assembly 5 Power Board Part Power Supply Unit Part ...
Page 145: ...7 17 DSC 8410 Assembly 6 Rear Case Sheet Metal Part Item number ...
Page 147: ...7 19 DSC 8410 Assembly 7 Rear Case Part Item number Connector position ...
Page 149: ...7 21 DSC 8410 Assembly 8 Front Rear Stand Part ...
Page 152: ...7 24 DSC 8410 Assembly 10 Super Unit Cover Assembly ...
Page 154: ...7 26 DSC 8410 Assembly 11 Super Unit Part Blank Cover Recorder Part Blank ...
Page 156: ...7 28 DSC 8410 Assembly 12 Labeling ...
Page 168: ...8 6 ...
Page 222: ...9 54 ...
Page 258: ...10 36 ...
Page 272: ...11 14 ...