
| Mechanical | Size: 2.4" x 5" PC daughter board |
| Indicators: Transmit, receive, carrier detect, and request to send LEDs | |
| Power requirements | +5 VDC ; +12 VDC supplied by controller board |
| Interface | Data: RS-232, RJ-45 Modular socket |
| Pin 1 +VS or DSR | |
| Pin 2 CTS | |
| Pin 3 TxD | |
| Pin 4 DTR | |
| Pin 5 GND | |
| Pin 6 RxD | |
| Pin 7 CD | |
| Pin 8 RTS |