Home/Parts and Accessories/Handset Lifters & EHS Cables (Electronic Hookswitch Adapters)/Plantronics APP-51 Electronic Hookswitch Adapter EHS Cable (formerly APP-50) for Polycom and Digium IP Phones (for use with CS500-Series and Savi Office Wireless Headset Models)/Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Home/Corded/Plantronics Direct Connect Corded Headsets/Headsets for Polycom SoundPoint IP Phone: models 300, 301, 335, 430, 450, 500 (revision E or later) , 501, 550, 560, 600 , 601, 650, 670, CX300, CX500, CX600, VVX101, VVX201, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500/Plantronics APP-51 Electronic Hookswitch Adapter EHS Cable (formerly APP-50) for Polycom and Digium IP Phones (for use with CS500-Series and Savi Office Wireless Headset Models)/Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Home/Corded/Plantronics/Corded and Wireless Headsets for Use With Office Phones/Plantronics Corded Headsets for Single- or Multi-Line Office Phones/Plantronics Direct Connect Corded Headsets/Headsets for Polycom SoundPoint IP Phone: models 300, 301, 335, 430, 450, 500 (revision E or later) , 501, 550, 560, 600 , 601, 650, 670, CX300, CX500, CX600, VVX101, VVX201, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500/Plantronics APP-51 Electronic Hookswitch Adapter EHS Cable (formerly APP-50) for Polycom and Digium IP Phones (for use with CS500-Series and Savi Office Wireless Headset Models)/Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Home/Corded/Plantronics Direct Connect Corded Headsets/Headsets for Polycom IP320, 321, 330 and IP 331/Plantronics APP-51 Electronic Hookswitch Adapter EHS Cable (formerly APP-50) for Polycom and Digium IP Phones (for use with CS500-Series and Savi Office Wireless Headset Models)/Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Home/Corded/Plantronics/Corded and Wireless Headsets for Use With Office Phones/Plantronics Corded Headsets for Single- or Multi-Line Office Phones/Plantronics Direct Connect Corded Headsets/Headsets for Polycom IP320, 321, 330 and IP 331/Plantronics APP-51 Electronic Hookswitch Adapter EHS Cable (formerly APP-50) for Polycom and Digium IP Phones (for use with CS500-Series and Savi Office Wireless Headset Models)/Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Polycom Interface Adapter (Set of 5) for Phone Models 320, 321 and 330, 331 (female RJ9 - male 2.5mm)

Product Description

Special Polycom interface adapter (2.5mm Male to RJ-9 Female Headset Interface Adapter) is used to connect the Plantronics APP-5 or APP-51 EHS to the 2.5mm headset port on Polycom phone models 320/321 and 330/331. It can also be used for corded headsets that need to be adapted from RJ9 to 2.5mm.

This Polycom part number is a set of 5 interface adapters. They are not sold individually. New Polycom part number 2200-11095-002 (formerly 2200-11095-001, 2457-11095-001), ROHS compliant.

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