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APC-45 (Cisco EHS Cable): How to Install

This procedure explains how to install the APC-45 EHS cable, which is compatible with the following Cisco phone models:

  • SPA512
  • SPA514
  • SPA525G2

Procedure

To Install the EHS Cable

  1. On your base, set your compatibility switch and speaking and listening volumes to the following:
     
    Setting CS500 Series MDA200 Savi 700 Series
    Compatibility A A A
    Speaking Volume 2 2 2
    Listening Volume 3 3 3
      Image of Settings Image of Settings Image of Settings
  2. Connect your EHS cable to your phone as follows:
    Image of how to connect the APC-45

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