• Electronic Hook Switch Cable for remote desk phone call control (answer/end). This cable eliminates the need for an HL10 Handset Lifter.
• This cable works with SOME NEC desk phones
• New HP Part# 85Q59AA - old Poly part # 89280-11

Plantronics APN-91 Savi and CS500 series Electronic Hook switch (EHS) cable for NEC DT series phones, including NEC DSX 34B BL, DSX 34B FDX, DTR Series (DTR 8, DTR 8D, DTR 16D, DTR 16LD, DTR 32D) , DTH Series (DTH 8, DTH 8D, DTH 16D, DTH 16LD, DTH 32D), DTL series (DTL 12D, DTL 24D, DTL 8LD, DTL 32D), DT 330, DT 730 and DT 750 compatible with the following Plantronics wireless headsets:

Plantronics CS540, CS510, CS520 , Plantronics Savi WO100, Plantronics Savi WO200, Plantronics Savi WO300Plantronics Savi WO350 , Plantronics Savi W740, Plantronics Savi W710 , Plantronics Savi W720 , Plantronics Savi W730 , Plantronics Savi W745

Installation of this Plantronics APN-91 cable require a NEC phone technician.  Programming of the NEC phone switch is required.  We recommend the  Plantronics HL10 Lifter if a NEC tech is not available