| Pin | Signal | Description |
| 1 | Gnd | |
| 2 | Rx | |
| 3 | Tx | connected by R=1K to +5v power supply |
| 4 | VPPFLASH | 3.0 V |
| 5 | Mono + ST | |
| 6 | JEar L | |
| 7 | JEar R | |
| 8,10 | ? | shorted in cable |
| 9 | JMic | |
| 10 | AGND |
| Pin | Signal | Description |
| 1 | Gnd | |
| 2 | Rx | |
| 3 | Tx | connected by R=1K to +5v power supply |
| 4 | VPPFLASH | 3.0 V |
| 5 | Mono + ST | |
| 6 | JEar L | |
| 7 | JEar R | |
| 8,10 | ? | shorted in cable |
| 9 | JMic | |
| 10 | AGND |