MGX 8800 Voice Switching Service Modules

Part Number	Description
VXSM-BC-4-155-RF	Voice Swch Serv Mod (VXSM) Back Card 4 OC3/STM-1 REFURBISHED
MGX-VXSM-155-RF	Voice Switch Service Mod. OC-3/STM-1 Front Card REFURBISHED