PTZ (Pan-Tilt-Zoom) cameras use RS-485 2-wire half-duplex terminal connections for receiving Pelco-D or Pelco-P control commands from DVRs and NVRs for pan tilt zoom and preset functions.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | RS485+ | RS-485 data positive A | BUS |
| 2 | RS485- | RS-485 data negative B | BUS |
PTZ (Pan-Tilt-Zoom) cameras use RS-485 2-wire half-duplex terminal connections for receiving Pelco-D or Pelco-P control commands from DVRs and NVRs for pan tilt zoom and preset functions.