Connecting Voice Interface Cards to the Network
Multiflex Trunk Interface Cards
16
OL-12847-01
Note
The VWIC2-1MFT-T1/E1 and VWIC2-2MFT-T1/E1 interface cards are configurable for T1
or E1 service and drop- and insert-capability.
•
1-port E1 multiflex trunk interface card with G.703 support (VWIC2-1MFT-G703)
•
2-port multiflex trunk interface card with G.703 support (VWIC2-2MFT-G703)
Note
The VWIC-1MFT-G703, VWIC2-1MFT-G703, VWIC-2MFT-G703 and
VWIC2-2MFT-G703 interface cards allow unstructured E1 traffic that conforms to the
ITU-T G.703 standard.
The following multiflex trunk interface cards provide hardware echo cancellation features through an
echo canceler expansion module, installed on the main board of the interface card:
•
VWIC2-1MFT-T1/E1
•
VWIC2-2MFT-T1/E1
•
VWIC2-1MFT-G703
•
VWIC2-2MFT-G703
The following expansion modules are available:
•
32-channel echo canceler module for multiflex trunk (EC-MFT-32)
•
64-channel echo canceler module for multiflex trunk (EC-MFT-64)
For information on echo canceler expansion module installation, see the
Installing Echo Canceler
Expansion Modules on Cisco Interface Cards
document.
See
Figure 19
for a sample 1-port multiflex trunk interface card, and
Figure 20
for a sample 2-port
multiflex trunk interface card.
Figure 19
1-Port T1/E1 Multiflex Trunk Interface Card Faceplate (VWIC-1MFT-T1)
Figure 20
2-Port T1/E1 Multiflex Trunk Interface Card Faceplate (VWIC-2MFT-T1)
41232
VWIC
1MFT-T1
AL
LP
CD
CTRLR T1 0
SEE
MANUAL
BEFORE
INSTALLATION
RJ-48C port
41230
VWIC
2MFT-T1
AL
LP
CD
CTRLR T1 1
CTRLR T1 0
RJ-48C ports
SEE
MANUAL
BEFORE
INSTALLATION
