Poly APV-66 EHS Cable



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APV-66 EHS Cable (Avaya) (Poly 38633-11 or HP 85R02AA)

  • Typically used on Avaya phones (EHS Guide)
  • Compatible with CS500 / Savi / Voyager series wireless headsets
  • Allows for remote answer/hang-up
  • Receive call alerts when away from your desk
  • Automates taking of calls
  • See picture for setup/installation
  • Same Day Shipping On In Stock Items
  • Warranty 1-Year
  • Non-Returnable

Poly APV-66 Electronic Hookswitch (EHS) Cable – Poly 38633-11 or HP 85R02AA

The Poly (formerly Plantronics) APV-66 Electronic Hook Switch (EHS) cable part # Poly 38633-11 or HP 85R02AA communicates electronically with your desk phone giving your wireless headset call control. The APV-66 EHS allows ring alerts to sound in your headset as well as answer and end calls remotely.

This cable eliminates the need for a HL10 handset lifter. This cable works with Avaya desk phones and may work with additional manufacturers.

Poly APV-66 EHS Cable

Poly has several EHS adapters, each being unique to a specific telephone and wireless product.
We strongly suggest confirming compatibility with us before purchasing.

TECH TIP: APV-66 EHS Compatibility/Installation Guide

Poly APC-63 & APV-66 EHS Cable Setup Guide

Poly APV-66 Compatibility:

Headset Compatibility

  • CS500 Series
    • Current: CS540, and all -XD variants
    • Discontinued: CS510, CS520, CS530
  • Savi Series
    • Current: 7210, 7220, 7310, 7320, 8210, 8220, 8245, and all -M variants
    • Discontinued: W710, W720, W730, W730, W740, W745 and all -M variants
  • Voyager Series

Avaya Phone Compatibility

  • 2420
  • 4610SW, 4620SW, 4621SW, 4622SW, 4625SW, 4630SW
  • 4610, 4620, 4621, 4622, 4625, 4630
  • 5420
  • 5610, 5620, 5621

Poly APV-66 Notes:

Note 1: Ring detect cable required (included with AWH headsets and Savi adapters)
Note 2: AWH headsets require PLT p/n 75011-01 (8400 Cord) – order from Specials (no-charge – contact Poly)
Note 3: 1600/9600 Bluetooth Option Module (p/n 700383789) available
Note 4: 24XX and 54XX phones require firmware 4.0 and greater
Note 5: 46XX and 56XX phones require 1.8 firmware or greater

For European phones Only:

Note 6: APV-66 w/ Europe phones Only – Phone software needs to be greater than T150. Only works on Integral 55 switch and not on Integral 5, IP Office and Communications Manager
Note 7: APV-66 w/ Europe phones Only – EHS with Integral 5 PBX rev R3.0 or greater and phone rev T29 or greater, on Integral 55 phone rev T110 or greater
Note 8: APV-66 w/ Europe phones Only – EHS with IP Office switch rev R6 or greater and phone rev R3.0 or greater, on Communications Manager switch rev 5.2.1 or greater and phone rev R3.0 or greater

Note 9: Sidecars

  • If you are NOT using a sidecar with 4600 series and 5400 series phones, use APV-66 (CS500, Savi W700 series headsets) or APV-6B (older CS wireless headsets).
  • If a sidecar is used with selected 4600 series and 5400 series phones, the EU24 port on the phone is taken up by the sidecar cable.  Use EHS cable APV-66 or APV-6A (older CS wireless headsets) instead

Note 10: Has built in Bluetooth which will pair with BT 2.1 devices with 3.1 Service Pack 2
Note 11: Connect an adapter cable 40287-13 between the EHS and the phone when using a CS headset

Poly APV-66 Specifications:

  • Model: APV-66 EHS Cable
  • Poly SKU: 38633-11
    • Formerly 38633-01 – APV-65
    • UPC: 017229144743
  • HP SKU: 85R02AA
    • UPC: 197497572926
  • Warranty: 1 yr

**Replacement Note: The APV-66 EHS cable replaces the APV-65 cable and features compatibility with the Poly On-line Indicator accessory

Additional information for the Poly APV-66 EHS Cable


Poly, Plantronics


Same Day Shipping On In Stock Items








38633-11 (Poly), 85R02AA (HP)


017229144743 (Poly), 197497572926 (HP)


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