IS Local System Cat‑5e/6 Pinout

Updated on May 26th, 2026

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This station is discontinued and may no longer be supported. These instructions are provided to assist with operation and maintenance, and to guide upgrade paths.

 

Summary

Description of what each pair in the Cat‑5e/6 is used for in an IS Series local system.

Solution

Each pair in the Cat‑5e/6 cable carries a different signal. This is the TIA/EIA 568B wiring standard:

  • Pair 1, pins 4,5 (Blue/Blu-Wht): Audio signal
  • Pair 2, pins 1,2 (Org-Wht/Org): Data signal
  • Pair 3, pins 3,6 (Grn-Wht/Grn): Video signal
  • Pair 4, pins 7,8 (Brn-Wht/Brn): Power (Pin 7 = negative, Pin 8 = positive)