Specifications

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Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
OL-1166-04
Chapter 2 Cisco IGX 8400 Series Cards
Universal Voice Module
Universal Voice Interface Back Card
The UVM has three different UVI back cards, providing support for various physical line types. See
Table 2-25 for more information.
Each physical connector on a UVI back card has a tri-color LED beneath it on the back card faceplate.
The tricolor LED indicates the status of the port associated with that physical connector. See Table 2-26
for a description of the tricolor LEDs. See Figure 2-18 for a sample UVI back card.
Table 2-25 Back Cards for the UVM
Back Card Line Type
Number of
Physical
Connectors
Number of
Ports Line Characteristics Supported by the Card
BC-UVI-2T1EC T1 2 (DB-15) 2 ZCS, AMI, or B8ZS line code
D4 or ESF framing formats
Line buildout for cable lengths up to 655 feet
BC-UVI-2E1EC E1 2 (DB-15)
4 (BNC)
2
1
1. When connecting E1 lines to the BC-UVI-2E1Ec, use either the two bi-directional DB-15 connectors or the uni-directional BNC connectors.
Meets CCITT G.703 specification for CEPT E1 lines
CRC-4 error checking
HDB3 (clear channel E1) or AMI
120-ohm balanced connectors, or
75-ohm balanced or 75-ohm unbalanced connectors
BC-UVI-2J1EC Y1 2 (DB-15) 2 Meets JJ-20-11 specification for Japanese TTC-2M lines
CRC-4 error checking
Coded mark inversion (CMI) line coding
110-ohm balanced connectors
Table 2-26 UVI Back Card Tricolor LEDs
Tricolor LED Color Meaning
Red The line is active but a local alarm exists.
Yellow The line is active but a remote alarm exists.
Green The line is active with no alarms.