|
|
X.21 Cable Specifications
X.21 Cable |
Pin Number |
Description |
Direction |
| Female DB15 |
Male DB15 |
|
From/To SGP |
2 |
2 |
Transmit Data A-wire |
From |
3 |
3 |
RTS, Request to Send A-wire |
From |
4 |
4 |
Receive Data A-wire |
To |
5 |
5 |
DCD, Data Carrier Detect A-wire |
To |
6 |
6 |
Clock A-wire |
To/From |
8 |
8 |
GND, Common Signal Ground |
N/A |
9 |
9 |
Transmit Data B-wire |
From |
10 |
10 |
RTS, Request to Send B-wire |
From |
11 |
11 |
Receive Data B-wire |
To |
12 |
12 |
DCD, Data Carrier Detect B-wire |
To |
13 |
13 |
Clock B-wire |
To/From |
Rx=Receive, Tx=Transmit, CTS=Clear to Send, RTS=Ready to Send,
DTR=Data Terminal Ready, DSR=Data Set Ready, DCD=Data Carrier Detect
|
|
|
|
|
