Allied Telesis AT-8516F/SC Installation Manual page 57

❑
The most common source of contaminants in the optical bore
is debris picked up on the ferrules of the optical connectors, as
shown in Figure 16. Use an alcohol swab or wipe to clean the
ferrules of the optical connector.
Ferrule
Figure 16 Optical Bore and Ferrule of GBIC Module
Note
Unnecessary removal and insertion of a GBIC can lead to premature
failure.
4. Slide the GBIC module, with the label side up, into an expansion slot
on the switch, as shown in Figure 17. The GBIC can be installed in
either slot. The GBIC module is completely seated in the slot when
it clicks into place.
Figure 17 Installing a GBIC Module
5. If you purchased two GBIC modules for the switch, repeat this
procedure to install the second module.
AT-8500 Series Fast Ethernet Switch Installation Guide
Bore
57