![](/images/new-backgrounds/1174523/174523117x1.webp)
RS-422 Null-Modem Cable
DCP PORT
CHASSIS GROUND | |
1 z | z 1 |
TRANSMIT DATA (A) | TRANSMIT DATA (A) |
2 z | z 2 |
RECEIVE DATA (A) | RECEIVE DATA (A) |
3 z | z 3 |
REQUEST TO SEND (A) | REQUEST TO SEND (A) |
4 z | z 4 |
CLEAR TO SEND (A) | CLEAR TO SEND (A) |
5 z | z 5 |
SIGNAL GROUND | |
7 z | z 7 |
RECEIVE CLOCK (B) | RECEIVE CLOCK (B) |
9 z | z 9 |
TRANSMIT CLOCK (B) | TRANSMIT CLOCK (B) |
12 z | z 12 |
CLEAR TO SEND (B) | CLEAR TO SEND (B) |
13 z | z 13 |
TRANSMIT DATA (B) | TRANSMIT DATA (B) |
14 z | z 14 |
TRANSMIT CLOCK (A) | TRANSMIT CLOCK (A) |
15 z | z 15 |
RECEIVE DATA (B) | RECEIVE DATA (B) |
16 z | z 16 |
RECEIVE CLOCK (A) | RECEIVE CLOCK (A) |
17 z | z 17 |
REQUEST TO SEND (B) | REQUEST TO SEND (B) |
19 z | z 19 |
Figure |
|