Poly APN-91 EHS Cable



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Poly APN-91 NEC EHS Cable (Poly 89280-11 or HP 85Q59AA)

  • Typically used on NEC phones (EHS Guide)
  • Compatible with CS500, Savi, Voyager Office 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

TECH TIP: APN-91 Installation for NEC Phones

  • Same Day Shipping On In Stock Items
  • Warranty 1-Year
  • Non-Returnable

Poly APN-91 EHS Cable (NEC) – Poly 89280-11 or HP 85Q59AA

The Poly (formerly Plantronics) APN-91 Electronic Hook Switch (EHS) cable part # Poly 89280-11 or HP 85Q59AA communicates electronically with your desk phone giving your wireless headset call control. The APN-91 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 NEC desk phones.

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: EHS Compatibility/Installation Guide

Poly APN-91 EHS Cable















Poly APN-91 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
    • Supports Hookswitch on revision >5.1
  • Voyager Series:
    • Office: 4210, 4220, 4245, 5200 and all -M variants
    • USB: When used with Voyager Office Base and all -M variants
    • Supports Hookswitch on revision >5.1

NEC Phone Compatibility:

  • NEC DT330, DT430
  • DT730, DT750 (only compatible with the i-SIP/N-SIP versions of the DT700 terminals),
  • DT830, DT830G DTL-12D
  • DTL-24D, DTL32D, DTL-8LD

Poly APN-91 EHS Specifications

  • Model: APN-91
  • Poly SKU: 89280-11
    • UPC: 0017229140868
  • HP SKU: 85Q59AA
    • UPC: 197497572353
  • Warranty: 1 year

Additional information for the Poly APN-91 EHS Cable


Poly, Plantronics


Same Day Shipping On In Stock Items








89280-11 (Poly), 85Q59AA (HP)


0017229140868 (Poly), 197497572353 (HP)


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