Install/disassemble light module guide

https://www.hsgq.com/4_pon_ports149/4Port_EPON_OLT_with_4SFP_uplink_port_29.html

※ Install the light module

Step 1: Insert the SFP light module, the label facing up, the dust is plugged outward.

Step 2: Take down the dust plug of the SFP light module.

Step 3: The LC interface connected to the jumper to the port of the SFP module.

Step 4: Connect the other end of the jump line to the SFP optical module to verify the optical fiber connection.

※ Disassembling light module

Step 1: Press the jump connector and pull out the jumper out of the SFP light module.

Step 2: Pull down the pull ring of the module.

Step 3: Remove the SFP light module.