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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
MGX-1OC12POS-IR
The MGX-1OC12POS-IR is a single-port high-speed uplink (OC-12 POS) back card. This back card
provides a trunk uplink that supports OC-12c/STM-4c bandwidth o f 622 Mbps throughput over a
standard SONET/SDH interface through use of a single-mode fiber, intermediate reach SC connector.
The MGX-1OC12POS-IR is installed in the upper rear bay back slot directly behind the RPM-XF.
Figure 2-52 shows the MGX-1OC12POS-IR faceplate. Cables: CAB-SMF-SC (several) and
CAB-SMF-Y-SC.
Figure2-52 MGX-1OC12POS-IR Faceplate
1LINK LED
Green—A link has been established.
Off—A link has not been established.
3FAIL LED
Yellow—The back card has failed.
Off—The back card is operating properly.
2TX and RX LEDs
Green—The back card is receiving or
transmitting traffic.
Off—The back card is not receiving or
transmitting traffic.
4TX and RX SC connectors
80748
FAIL
LINK TX
TX
RX
RX
MGX-1OC 12
POS-IR
4
2
3
1