Poly Telephone Interface Cable for Savi Office, CS500 and MDA Series Replacement cable (comes in the box with all compatible devices multi-device adapter) Connecting cord to telephone 4-pin modular end plugs into handset port or headset port of desk phone RJ45 (8-pin modular) end plugs into back of compatible device Telephone handset plugs into middle of cord Approximately 21 inches long Compatible with all Savi Office, CS500 and MDA Series units Replaced 86009-01 02/01/22 Genuine Poly accessory BTP Model: PL-86007-01MFR Part: 86007-01,85R57AA
