2-117
Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 2
Illustrated Card List for MGX Switches and the MGX 8880 Media 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.
Figure 2-60
shows the
MMF-8-155-MT and MMF-8-155-MT/B faceplate.
Note
The only visible difference between the back card faceplates is the product name, which is silk-screened
on the front of each faceplate.
Figure 2-60
MMF-8-155-MT and MMF-8-155-MT/B Faceplate
1
ENABLED LED
•
Green—The back card is active.
•
Off—The back card is not active.
2
8 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