Plantronics phone line cable

The Plantronics Telephone Interface Cable for CS500 and Savi Series is an interface cable that is compatible with the Plantronics CS500, Plantronics MDA200 and the Plantronics Savi series. The 4-pin module connects to the headset port of your desk phone and the RJ45 end connects to the wireless charging base of the headset. The telephone headset connects in the middle of the cable.