Juniper Networks ERX Hardware 8 - Manual (Page 114)

ERX 8.0.x Hardware Guide
Figure 42: Installing an SFP on a GE I/O Module
g013437
TX and RX markings on I/O module
Connection circuitry on base of SFP
4. Insert the SFP into the I/O module until it clicks into place.
If the SFP does not slide smoothly into the I/O module, make sure that the
orientation of the SFP is correct.
5. Gently pull the SFP to confirm that it is inserted correctly.
If the SFP comes out of the slot when you pull it, repeat Step 4.
6. Remove the dust cover that protects the ports.
7. Connect the new cables to the SFP.
If you are using the redundant port on the GE I/O module, repeat
Steps 2–7 for the other port.
96 Replacing SFPs on I/O Modules