Please inform me the pin assignment for RS-422/485 port.
RS-422/485 port is RS-530 specification.
Pin assignment of RS-530 | |||||
---|---|---|---|---|---|
Pin | Signal | Signal name | Pin | Signal | Signal name |
1 | FG | Shield ground | 14 | TXD [B]: + | Transmission data |
2 | TXD [A]: - | Transmission data | 15 | TXC2 [A]: - | Transmission timing DCE |
3 | RXD [A]: - | Receiving data | 16 | RXD [B]: + | Receiving data |
4 | RTS [A]: - | Request of transmission | 17 | RXC [A]: - | Receiving timing DCE |
5 | CTS [A]: - | Capable of transmission | 18 | Not defined | |
6 | DSR [A]: - | Data set ready | 19 | RTS [B]: + | Request of transmission |
7 | SG | Signal ground | 20 | DTR [A]: - | Data terminal ready |
8 | DCD [A]: - | Data carrier detect | 21 | Not defined | |
9 | RXC [B]: + | Receiving timing DCE | 22 | DSR [B]: + | Data set ready |
10 | DCD [B]: + | Data carrier detect | 23 | DTR [B]: + | Data terminal ready |
11 | TXC1 [B]: + | Transmission timing DTE | 24 | TXC1 [A]: - | Transmission timing DTE |
12 | TXC2 [B]: + | Transmission timing DCE | 25 | ||
13 | CTS [B]: + | Capable of transmission |