Available at a 14.4kbps Speedster modem.
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15 PIN FEMALE Connector at the modem.
| Pin | Name | RS232 | Dir | Description |
|---|---|---|---|---|
| 1 | GROUND | GND | - | Ground |
| 2 | SUSP# | ? | ||
| 3 | COMBDSR# | DSR | OUT | Data Set Ready |
| 4 | COMBRTS# | RTS | IN | Request to Send |
| 5 | COMBCTS# | CTS | OUT | Clear to Send |
| 6 | COMBRI# | RI | OUT | Ring Indicator |
| 7 | n/c | ? | ||
| 8 | GROUND | GND | - | Ground |
| 9 | +5VIN | IN | +5V DC In | |
| 10 | COMBDTR# | DTR | IN | Data Terminal Ready |
| 11 | COMBDCD# | CD | OUT | Carrier Detect |
| 12 | COMBTXD | TXD | Transmit Data | |
| 13 | COMBRXD | RXD | OUT | Receive Data |
| 14 | SPKDATA | ? | ||
| 15 | GROUND | GND | - | Ground |