Plantronics Savi APP-51 Electronic Hookswitch (EHS) cable for Polycom Phones - communicates electronically with the phone, eliminating the need for the HL10 lifter. This cable is compatible with:

Plantronics CS540, CS510, CS520, CS530, Savi WO100, Savi WO200, Savi WO300, Savi WO350 , Savi W740, Savi W710, Savi W720, Savi W730 , Savi W745, Voyager Legend CS, MDA200 USB, MDA220 USB

This cable works with the following Polycom telephone models:

* SoundPoint IP 320/321*

* SoundPoint IP 330/331*

* SoundPoint IP 335

* SoundPoint IP 430

* SoundPoint IP 450

* SoundPoint IP 550

* SoundPoint IP 560

* SoundPoint IP 650

* SoundPoint IP 670

* VVX 300/310

* VVX 400/410

* VVX 500

* VVX 600

* VVX 1500

The APP-51 EHS cable replaces the APS-50 cable and features compatibility with the Plantronics On-line Indicator accessory.

Packaging

Dimension  (L x W x H): 18 x 13.5 x 5.5 (cm)

Weight: 0.17 kg

1 Year Warranty

Polycom Setup Guide:   http://www.businessmachine.com.hk/userfiles/files/APP-51_Polycom.pdf