The following table describes the pinouts on the modular FLEX-3000 & FLEX-1500 RJ-45 8-pin microphone connector.
| FLEX-3000/1500 Microphone Pinout Configuration |
|
| Pin Number | Function |
| 1 | Not Used - Reserved for future use |
| 2 | Not Used - Reserved for future use |
| 3 | Vcc (+5 VDC) |
| 4 | Microphone Ground (mic -) |
| 5 | Microphone In (mic +) |
| 6 | PTT (PTT +) |
| 7 | PTT Ground (PTT -) |
| 8 | Not Used - Reserved for future use |