Cisco Systems MGX 8800, MGX 8900 MMF-8-155-MT and MMF-8-155-MT/B

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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter2 Illustrated Card List for MGX Switches and the MGX 8880 Med ia Gateway
Back Cards
MMF-8-155-MT and MMF-8-155-MT/B
The MMF-8-155-MT and the MMF-8-155-MT/B are multimode fiber back cards that provide eight
SONET/SDH OC-3c/STM-1 interfaces, each operating at 155 Mbps. Figure2-60 shows the
MMF-8-155-MT and MMF-8-155-MT/B faceplate.
Note The only visible difference between the back card facepla tes is the product name, which is silk-screened
on the front of each faceplate.
Figure2-60 MMF-8-155-MT and MMF-8-155-MT/B Faceplate
1ENABLED LED
•Green—The back card is active.
•Off—The back card is not active.
28 SONET/SDH OC-3c/STM-1 interface
MTRJ connectors
49180
8-155
MT/B
ENABLED
MMF
P
T
R
O
P
T
R
O
1
P
R
T
O
P
R
T
O
3
2
P
R
T
O
P
R
T
O
5
P
T
R
O
P
T
R
O
7
6
8
4
1
2