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Cisco MGX 8950 Hardware Installation Guide
Release 3, Part Number 78-14147-02 Rev. A0, November 2002
Chapter 1 Product Overview
System Hardware Components
MMF-FE
The MMF-FE is a one-port back card that provides a choice of two Ethernet connectors for 100BaseFX
connection to MMF. You can use an SC type fiber optic connector or an MII connector that requires an
external transceiver to complete the optical connection.
Figure 1-14 shows a close-up of the MMF-FE
faceplate.
Figure 1-14 MMF-FE Faceplate
1 Enabled LED
• Green—The back card is active.
• Off—The back card is not active.
4 LINK LED—When the SC port is active, this
LED is on when the back card is receiving a
carrier signal from the network. When the MII
port is active, this LED indicates network
activity, and it flickers on and off
proportionally to this activity.
2 MII connector—Can be used with a variety of
transceivers to connect to different media
types.
5 RJ45 LED—When lit, this LED indicates that
the SC connector has been enabled by the
software.
3 MII LED—When lit, this LED indicates that
the MII connector has been enabled by the
software.
6 SC connector—Used to connect to multimode
fiber media.
84497
ENABLED
MII
RJ45
LINK
P
O
R
T
1
MMF-FE
6
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