Wire type of wire is recommended for RS422 two-wire control of Spectra or Esprit ptz camera

Issue

What wire should I use for two-wire control of my Spectra or Esprit?

Product Line

Pelco Cameras

Environment

  • Spectra analog series
  • Esprit analog series

Cause

Wire type for RS422 two wire ptz control

Resolution

RS-485 Communication Recommendations:

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