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APC-4/APC-40/APC-41 (Cisco EHS Cable) Product Information

Article ID : 000006052
Electronic Hook Switch (EHS) cables provide communication between your phone and Plantronics headset, enabling you to answer and end your calls using your headset call control button.
Installation Information
  • Click here to view the installation instructions for the APC-4, APC-40, APC-41.
Compatibility Information
EHS cables are designed to work with specific phone models and Plantronics products. The table below provides the compatibility information for the APC-4, APC-40, APC-41.
EHS Cable Phone Make and Model Compatible Plantronics Product
Part No. 37978-01
  • 7942G
  • 7945G
  • 7962G
  • 7965G
  • 7975G
CS Series:
  • CS50
  • CS55
  • CS70/CS70N
  • CS351N
  • CS361N
Part No. 38350-01
Same as above CS500 Series:
  • CS510
  • CS520
  • CS530
  • CS540
Savi 700 Series:
  • W710
  • W720
  • W730
  • W740
  • W745
Savi Office:
  • WO100
  • WO200
  • WO300
  • WO350
Part No. 38350-11
Same as above Same as above
* The difference between the APC-40 and APC-41 is that the APC-41 includes a connector for your on line indicator (OLI) light.

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