- PTZ control does not work.
Pelco Video Management
- DX4104 Series DVR.
- RS-422 non-standard connection.
- Test and verify PTZ setup and output signals.
For Pan, Tilt, and zoom control setup in the DX4104 programming; Read How to Set Up PTZ Control over 2 wires on the DX4100 DVR
After PTZ settings have been configured and applied to the DATA ports, connect a VOM (volt, ohm, meter) to the TX+ and TX- ports on DATA 1 or DATA 2 output terminals.
The DVR output is a Non Standard RS-422 output signal.
There should be a constant DC voltage of 0.44 VDC and when the PTZ controls are clicked using the mouse this constant will fluctuate from 0.01-1.9 VDC.