Dedicated Micro Digital Sprit 2 DVR RS type communication support.

Issue

The PTZ function of the Spectra III and IV cameras doesn't work on Dedicated Micro Digital Sprit 2 using  RS-232 & RS-422 Pelco-D and P over 2 wires

Product Line

Pelco Cameras

Environment

  • Spectra III, IV
  • Dedicated Micros Digital Sprit 2 DVR

Cause

Dedicated Micro Digital Sprit 2 doesn't support RS-422 Pelco-D or P over 2 wires.

Resolution

Spectra III dip switch setting:

Turn on dip switch 6 for 4800 baud or dip switch 7 for 9600 baud. Spectra III is auto sensing for RS-422/RS-485

Spectra IV dip switch setting:

Turn on dip switch 4  and 5 on SW2 bank for RS-485
Turn on dip switch 6 for 4800 baud or 7 for 9600 baud on SW2 bank

Note: Maximum cable distance for RS-485 communication over 24-gauge wire is 4,000 feet (1,219 m). Pelco recommends using shielded twisted pairs such as Belden 9843, or CAT5e/6 ethernet cable or similar cable that meets or exceeds the basic requirements for EIA RS-485 applications

Click HERE  for Dedicated Micro Digital Sprit 2 DVR manuals