The Cisco VWIC3-4MFT-T1/E1 cards can be inserted into the EHWIC slot on the supported Cisco 1921, 1941, 1941W, 2901, 2911, 2921, 2951, 3925, 3945, 3925E and 3945E integrated services routers. The T1/E1 MFT VWIC3 cards support both T1 and E1, providing additional flexibility in configuring the Cisco MFT VWIC3s for supporting T1, fractional T1, E1, and fractional E1 for both voice and WAN applications. All MFT VWIC3 modules include the drop-and-insert multiplexing capability, which eliminates costly external third-party channel service units/data service units (CSUs/DSUs) and drop-and-insert multiplexers.
.Quick Spec
| VWIC3-1MFT-T1/E1 | | Manufacturer | Cisco | | Part Number | VWIC3-1MFT-T1/E1 | | Device Type | Interface module | | Form factor | 1-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card | | Specifications | | Number of Ports | 1 | | T1 Support | Yes | | E1 Support | Yes | | Unstructured E1 (G.703) Support | No | | Data Support WIC Mode | Yes | | Voice Support VIC* | Yes | | Drop-and-Insert Multiplexing | Yes | | Configuration Comparison | | Serial Data (channel-group*) | 2 total
2 per port | | Voice CAS (ds0-group**) | 24 total (T1)
31 total (E1)
1 per timeslot | | PRI (pri-group***) | 1 total
1 per port | | Drop & Insert (tdm-group****) | 24 total (T1)
31 total (E1)
1 per timeslot | | Network Management Features | | Telnet or Console | Remote and local configuration, monitoring, and troubleshooting from Cisco IOS Software CLI | | Simple Network Management Protocol (SNMP) | • Router and DSU/CSU managed by single SNMP agent; router, DSU, and CSU appear as a single network entity to user • Standard MIB (MIB II) • Cisco Integrated DSU/CSU MIB • RFC 1406 T1 MIB, Including Alarm Detection and Reporting | | SNMP Traps | Generated in response to alarms |
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