Plantronics 38633-11 APV-66 Electronic Hookswitch Adapter

APV-66 38633-11 Electronic Hookswitch CS500/SAVI Electronic hook switch cable for remote desk phone call control (answer/end) This cable eliminates the need for an HL10 handset lifter. For Use with the following Avaya Desk Phone Models: 2420 4610 4610SW 4620 4620SW 4621SW 4622SW 4625SW 4630SW 5420 5610 5620 5621 May work with additional manufacturers. The APV-66 EHS cable replaces the APV-65 cable and features compatibility with the Plantronics On-line Indicator accessory. Works with Plantronics wireless headsets CS500 series and Savi Headsets: CS510, CS520, CS530, CS540, CS510-XD, CS520-XD, CS540-XD, CS545-XD, W710, W720, W730,W740, W745,W710-M, W720-M, W730-M, W740-M, W745-M and Voyager Legend CS EHS ADAPTER GUIDE