Vertex VX-VPL-1 Programming Cable Kit Includes CT-29 cable & CT-126 adapter Uses RS-232 or DB-9 ComPort Compatible with VX-510, VX-800, VX-600, VX-900, VX-3200, VXR-1000, VXR-7000, VX-2500, VX-6000, VX-2000, VX-2500 CONVEN, VX-5500, VX-4100, VX-4200, VXR-9000, VX-530, VX-3200 LTR, VX-7100, VX-7100/7200 P25, VX-2100, VX-2200, ISVX-537-4-5, VX-2200 Trunking Check specific models for additional cable pigtails