Datasheet
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SPECIFICATIONS
Table 3. Part Number and Descriptions of Cisco MFT VWIC2 Cards
Product Number Description
VWIC2-1MFT-T1/E1
1-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card
VWIC2-2MFT-T1/E1
2-Port T1/E1 Multiflex Trunk Voice/WAN Interface Card
VWIC2-1MFT-G703
1-Port G.703 Multiflex Trunk Voice/WAN Interface Card
VWIC2-2MFT-G703
2-Port G.703 Multiflex Trunk Voice/WAN Interface Card
Cisco IOS Software Release and Cisco IOS Software Feature Set License Requirements
Refer to Table 1 for platform support. The Cisco MFT VWIC2 cards are first supported in Cisco IOS Software Release 12.3(14)T and will be first
available in the 12.4(1) mainline release. Data applications require at a minimum the IP Base feature set license and voice applications require at a
minimum the IP Voice feature set license.
Data Features
• T1/E1 or fractional T1/E1 network interface
• n x 64 kbps or n x 56 kbps, nonchannelized data rates (T1: n = 1 to 24, E1: n = 1 to 31)
• Standards based, including ANSI T1.403 and AT&T Publication 62411
Network Interfaces Specifications
Table 4. T1 Network Interface Specifications
T1 Network Interface
Transmit Bit Rate
1.544 Mbps ± 50 bps/32 ppm
Receive Bit Rate
1.544 Mbps ± 50 bps/32 ppm
Line Code
Alternate-mark-inversion (AMI), binary 8-zero substitution (B8ZS)
AMI Ones Density
Enforced for n x 56-kbps channels
Framing Format
D4 (Super Frame [SF]) and Extended Super Frame (ESF)
Output Level (line build-out [LBO])
0, –7.5, or –15 dB
Input Level
+1 dB0 down to –24 dB0
Data-Terminal-Equipment (DTE) Interface (WIC mode)
Fractional service
DTE Interface (VIC mode)
G.704 or structured
Data-Communications-Equipment (DCE) Interface
G.704 or structured