Maintaining ERX Routers
CAUTION: For port redundancyto operate correctly, both the primary and
redundant port sonaGEI/OmodulemustusethesametypeofSFP.
Installing SFPs
To ins tall SFP s:
1. Put the antistatic wrist strap on your wrist, and connect the strap to the
ESD grounding jack on your system.
2. Identify the followingitemsontheSFP,asshowninFigure41:
The connection circuitryon the base
The cable connectors on the front
The cable connectors are protected bya dust cover.
Figure 41: Example of SFP
Cable connectors
on front
Connection circuitry
on base
g013436
CAUTION: Be sure toposition the SFP correctly before you install it.
3. Hold the SFP so that:
The connection circuitry is adjacent to the TX and RX markings on
the module’s faceplate.
The front will be visible when you install the SFP.
Forthe correct orientation, see Figure 42.
Replacing SFPs on I/O Modules 95