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Cisco VWIC3-1MFT-T1/E1 1-Port T1/E1 Multiflex Trunk Voice/WAN
Interface Card - Third Generation
Overview
The Cisco Third-generation 1-, 2-port and 4-port T1/E1 Multiflex
Trunk Voice/WAN Interface (MFT VWIC3s) support data and voice
applications on the Cisco 1921, 1941 and 1941W (data only), and the
Cisco 2901, 2911, 2921, 2951, 3925, 3945, 3925E and 3945E
Integrated Services Routers. The Cisco MFT VWIC3 combines
WAN-interface-card (WIC) and voice-interface-card (VIC) functions
to provide unparalleled flexibility, versatility, and investment
protection through its many uses. Customers who choose to integrate
data and voice in multiple steps preserve their investment in a
T1/E1 WAN interface because the Cisco MFT VWIC3 cards can be reused
in packet voice applications.The Cisco MFT VWIC3 interface cards
add improvements over the Cisco Second-generation 1- and 2-port
T1/E1 Multiflex Voice/WAN Interface Cards (MFT VWIC2s). The Cisco
2- and 4-port MFT VWIC3s enable each port to be clocked from an
independent clock source for data applications. Voice applications
can now be clocked independently from data applications, with all
ports for voice applications clocked from a single source. The
Cisco MFT VWIC3s use the ECAN on the motherboard PVDM cards with up
to 128ms echo-tail length for demanding network conditions. MFT
VWIC3 cards support up to 2 channel groups per T1/E1 port for
serial data applications. Refer to Table 3 for all configuration
options offered with the MFT VWIC3 cards.
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.
The Cisco MFT VWIC3 cards are offered in single-, dual- and
quadruple-port versions, which can be used and then redeployed as
network requirements change, thereby addressing several
applications:
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 |
SNMP Traps | Generated in response to alarms |
Related products:
Part Number | Number of Ports | T1 Support | E1 Support |
VWIC3-1MFT-T1/E1 | 1 | YES | YES |
VWIC3-2MFT-T1/E1 | 2 | YES | YES |
VWIC3-4MFT-T1/E1 | 4 | YES | YES |
VWIC3-1MFT-G703 | 1 | YES | YES |
VWIC3-2MFT-G703 | 2 | YES | YES |
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