RS-530 is a high-speed serial interface using a DB25 connector for synchronous serial WAN connections at up to 2 Mbps, using differential signals for noise immunity in telecommunications equipment.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Shield | Cable shield | GND |
| 2 | TxD_A | Transmit data A | BUS |
| 3 | RxD_A | Receive data A | BUS |
| 4 | RTS_A | Request to send A | I/O |
| 5 | CTS_A | Clear to send A | I/O |
| 6 | DSR_A | Data set ready A | I/O |
| 7 | GND | Signal ground | GND |
| 14 | TxD_B | Transmit data B | BUS |
| 15 | TxC_A | TX clock A | BUS |
| 16 | RxD_B | Receive data B | BUS |
| 17 | RxC_A | RX clock A | BUS |
| 25 | TxC_B | TX clock B | BUS |
RS-530 is a high-speed serial interface using a DB25 connector for synchronous serial WAN connections at up to 2 Mbps, using differential signals for noise immunity in telecommunications equipment.