ROM-2820 COMA
From ESS-WIKI
|
COMA (RS232/RS422/RS485) | |||
|
Pin |
Signal |
Pin |
Signal |
|
1 |
+12V |
2 |
GND |
|
3 |
RS232 TXD or 422/485RX+ |
4 |
RS232 RXD or 422/485TX+ |
|
5 |
GND |
6 |
- |
|
7 |
RTS# |
8 |
CTS# |
|
9 |
- |
|
|
