
C PIN-OUTS
Null Modem Cable RJ-45 to RS-232 25-pin
Cable connector: | PC/Terminal |
Cable connector: |
Screen Shell
TxD 3
RxD 2
Ground 5
RTS 7
CTS 8
DSR 6
DCD 1
DTR 4
1 | Screen |
3 | RxD |
2 | TxD |
7 | Ground |
4 | RTS |
20 | DTR |
5CTS
6DSR
8DCD
only required if screen
always required
required for handshake
|
|
Cable connector: | |
Cable connector: |
Screen | Shell | Shell | Screen |
DTR | 4 | 1 | DCD |
TxD | 3 | 2 | RxD |
RxD | 2 | 3 | TxD |
CTS | 8 | 4 | DTR |
Ground | 5 | 5 | Ground |
DSR | 6 | 6 | DSR |
RTS | 7 | 7 | RTS |
DCD | 1 | 8 | CTS |
only required if screen
Required for handshake
Always required
required for handshake
always required
required for handshake