User's Manual

Table Of Contents
Users Manual of GS-5220-8P2T2S Managed Switch
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3. Check the LNK/ACT LED of the SFP port on the front of the L2+ Managed PoE+ Switch. Ensure that the SFP transceiver
is operating correctly.
4. Check the Link mode of the SFP port if the link fails. It works with some fiber-NICs or media converters and sets the link
mode to 1000 Force” or “100 Forcewhen needed.
Removing the transceiver module
1. Make sure there is no network activity by checking with the network administrator. Or through the management interface
of the switch/converter (if available), disable the port in advance.
2. Remove the fiber optic cable gently.
3. Turn the lever of the MGB module to a horizontal position.
4. Pull out the module gently through the lever.
Figure 2-2-5: Pull out the SFP transceiver
Never pull out the module without making use of the lever or the push bolts on the module.
Removing the module with forced could damage the module and SFP module port of the
L2+ Managed PoE+ Switch.