25 | 9 | |||
Pin | Pin | Signal | ||
DTE | DTE | Abrev. Signal Name | Direction | |
2 | 3 | TXD | Transmitted Data | (output) |
3 | 2 | RXD | Received Data | (input) |
4 | 7 | RTS | Request to Send | (output) |
5 | 8 | CTS | Clear to Send | (input) |
6 | 6 | DSR | Data Set Ready | (input) |
7 | 5 | Gnd | Signal Ground | |
8 | 1 | DCD | Data Carrier Detect | (input) |
20 | 4 | DTR | Data Terminal Ready | (output) |
22 | 9 | RI | Ring Indicator | (input) |