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Cisco Voice WAN Card VWIC3-1MFT-T1/E1 Networking Accessories Modules & Cards

VWIC3-1MFT-T1/E1 Overview
The Cisco MFT VWIC3 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.
  • VWIC3-1MFT-T1/E1

  • Cisco

  • 2-3 days

  • original new

  • 1 year

Availability:
Quantity:

Table 1. Cisco MFT VWIC3 Platform Support and Minimum Cisco IOS Software Release Requirements.


VWIC3-1MFT-T1/E1

Cisco 1900 Chassis EHWIC Slots

15.0(1)M3, 15.1(1)T1, 15.1(2)T

Cisco 2900 Chassis EHWIC Slots

15.0(1)M3, 15.1(1)T1, 15.1(2)T

Cisco 3900 Chassis EHWIC Slots

15.0(1)M3, 15.1(1)T1, 15.1(2)T

Table 2. Cisco MFT VWIC3 Card Feature.

Part Number

Number of Ports

T1 Support

E1 Support

Unstructured E1 (G.703) Support

Data Support WIC Mode

Voice Support VIC*

Drop-and-Insert Multiplexing

VWIC3-1MFT-T1/E1

1

Yes

Yes

No

Yes

Yes

Yes

Table 3. Cisco MFT VWIC3 Card Configuration.

Configuration Description

1-port Cards

VWIC3-1MFT-T1/E1,
VWIC3-1MFT-G703

Data Only

Serial Data (channel-group*)

2 total
2 per port

Voice Only

Voice CAS (ds0-group**)

24 total (T1)
31 total (E1)
1 per timeslot

Voice, Video and Data

PRI (pri-group***)

1 total
1 per port

Drop & Insert (tdm-group****)

24 total (T1)
31 total (E1)
1 per timeslot

* Channel Group refers to bonding of one or more timeslots into a single HDLC-framed serial connection for IP data traffic connectivity. This is used for HDLC, Frame Relay and MLPPP serial WAN connections.

** Ds0 Group refers to Bonding of one or more timeslots into a single TDM voice connection using Channel Associated Signaling (CAS) such as E&M, FXS or FXO. This is used for TDM PBX or PSTN connections and typically deployed only on T1.

*** PRI Group refers to bonding of two or more timeslots into a single TDM connection using ISDN signaling. This is typically used for TDM PBX or PSTN voice and video connections on T1 and E1, and also for data WAN connections on E1. Each call on the PRI is individually indicated as being a voice, video or data call with the ISDN bearer capability delivered with the call. Signaling is done on the D-channel, which is always channel 24 on a T1, and channel 31 on an E1.

**** TDM Group refers to cross-connecting one or more timeslots from one TDM interface to another. This is used to groom channels from different access points onto a combined T1 or E1 uplink. Since the router merely cross-connects and does not interpret or route the traffic from the ingress interface to the egress interface, the traffic type (voice, video and data) is transparent to the router.

VWIC3-1MFT-T1/E1 Specification


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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