Plantronics APP-51 (38439-11) Savi Electronic Hookswitch for Polycom

**** Please Note: This Model can be used with the following models; W745, W740, W730, W720, W710,W740-M, W730-M, CS540, CS540-HL10, CS530-CS530-HL10, CS520, CS520-HL10, CS510, CS510-HL10, MDA200, WO100, WO101, W0200, WO201, WO300 and WO350

Features;

Electronic Hook Switch Cable for remote desk phone call control (answer/end). This cable eliminates the need for a HL10 Handset Lifter.

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