Figure 9 Transceiver Installation Example; Figure 10 Installed Transceiver; Figure 11 Opening The Transceiver's Latch Example; Figure 12 Transceiver Removal Example - ZyXEL Communications ONU-2024 Series User Manual

To avoid possible eye injury, do not look into an operating fiber-optic module's
connectors.
3.2.3.1 Transceiver Installation
Use the following steps to install a mini GBIC transceiver (SFP module).
1 Insert the transceiver into the slot with the exposed section of PCB board facing down.

Figure 9 Transceiver Installation Example

2 Press the transceiver firmly until it clicks into place.
3 The ONU automatically detects the installed transceiver. Check the LEDs to verify that
it is functioning properly.

Figure 10 Installed Transceiver

3.2.3.2 Transceiver Removal
Use the following steps to remove a mini GBIC transceiver (SFP module).
1 Open the transceiver's latch (latch styles vary).

Figure 11 Opening the Transceiver's Latch Example

2 Pull the transceiver out of the slot.

Figure 12 Transceiver Removal Example

ONU User's Guide
Chapter 3 Hardware Connections
41