Cisco third generation Voice & WAN T1/E1 interface card supports voice and data application on Cisco ISR 2 1900/2900/3900 series platform. This module integrate with 2 T1/E1 interfaces, one port can configure for unstructured E1 (G.703) while configuring the other for structured framed E1 to support both Voice and WAN connectivity via one interface module.

• VWIC3-2MFT-T1/E1 Specification
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• VWIC3-2MFT-T1/E1 Specification
  Manufacturer	Cisco
  Part Number	VWIC3-2MFT-T1/E1
  Device Type	Interface module
  Form factor	2-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card
  Specifications
  Number of Ports	2
  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**)	48 total (T1) 62 total (E1) 1 per timeslot
  PRI (pri-group***)	2 total 1 per port
  Drop & Insert (tdm-group****)	48 total (T1) 62 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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