PTH-100/PTH-200 Product Information
PTH-100 - 61934-11 is a Modified version of the Supra Headset designed specifically for Spectralink Telephones PTH-200 - 61935-11 is a Modified Version of the Tristar Headset designed specifically for Spectralink Telephones Both of these headsets come with 2 QD to connector plug in cables. One is a 2.5mm connector and the other is a 3.5mm plug in connector.
3.5mm connector cable - 63625-02 (formerly p/n 40288-03)
2.5mm connector cable - 64279-02