Cisco MGX-VXSM-BC-4-155

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Cisco BA8AZB1BAA MGX-VXSM-BC-4-155 Voice Switch Service Module (VXSM) Back Card 4 OC3/STM-1 SFP Cisco BA8AZB1BAA MGX-VXSM-BC-4-155

The Cisco VXSM is a high-density voice service module with time-division multiplexing (TDM) interfaces ranging from T1/E1 to channelized OC-3/STM-1 (refer to Figure 1). It provides service providers with carrier-class capabilities for high capacity and reliability for voice-over-IP (VoIP) services. The Cisco VXSM scales to 8064 DS0s per module and is fully redundant to maintain active calls upon switchover.