Cisco Systems MGX 8800, MGX 8900 MMF-4-155/C

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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 Media Gateway
Back Cards
MMF-4-155/C
The MMF-4-155/C is a multimode fiber back card that provides four SONET/SDH OC-3c/STM-1
interfaces, each operating at 155 Mbps. Figure2-59 shows the MMF-4-155/C faceplate. Cables:
CAB-SMF-SC-(several), and CAB-SMF-Y-SC.
Figure2-59 MMF-4-155/C Faceplate
1ENABLED LED
•Green—The back card is active.
•Off—The back card is not active.
3RX and TX SC connectors for PORT 1
through PORT 4
2SIGNAL LED
•Green—The back card is receiving a
signal on the corresponding line.
80159
ENABLED
MMF-4-155/C
SIGNAL
RX
TX
P
O
R
T
1
SIGNAL
RX
TX
P
O
R
T
2
SIGNAL
RX
TX
P
O
R
T
3
SIGNAL
RX
TX
P
O
R
T
4
1
2
3
2
3
2
3
2
3