Rs-232C (1 Channel) Connector Signal Table; Ethernet (Aui) Connector Signal Table; Rs-232C (4 Channels) Connector Signal Table - Hitachi 902 Service Manual

RS-232C (1 channel) Connector Signal Table

RSCN (8850-20)
No. A
1
2 TXD
3 RTS
4 RXD
5 CTS
6
7 GND
8
9
10

RS-232C (4 channels) Connector Signal Table

MBCN (8850-34)
No. A
1 TXD 1
2 RXD 1
3 RTS 1
4 CTS 1
5 TXD2
6 RXD 2
7 RTS 2
8 CTS 2
9 TXD 3
10 RXD 3
11 RTS 3
12 CTS 3
13 TXD 4
14 RXD 4
15 RTS 4
16 CTS 4
17
B
DTR-N
B
GND
GND
GND
GND

Ethernet (AUI) Connector Signal Table

No.
Signal Name
1 GND
2 CI +
3 DO +
4 GND
5 DI +
6 GND
7 GND
8 GND
10 - 7
AUICN
No.
Signal Name
9 CI -
10 DO -
11 GND
12 DI -
13 + 12 V
14 GND
15 GND