Juniper Networks ERX Hardware 8 - Manual (Page 113)

Maintaining ERX Routers
CAUTION: For port redundancy to operate correctly, both the primary and
redundant ports on a GE I/O module must use the same type of SFP.
Installing SFPs
To install SFPs:
1. Put the antistatic wrist strap on your wrist, and connect the strap to the
ESD grounding jack on your system.
2. Identify the following items on the SFP, as shown in Figure 41:
The connection circuitry on the base
The cable connectors on the front
The cable connectors are protected by a dust cover.
Figure 41: Example of SFP
Cable connectors
on front
Connection circuitry
on base
g013436
CAUTION: Be sure to position 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.
For the correct orientation, see Figure 42.
Replacing SFPs on I/O Modules 95