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