3Com 09-0487-002 Switch User Manual


 
7
LinkBuilder FDDI Workgroup Hub User Guide
Release Note
Replacing the Fuse
If the hub’s LEDs are no longer lit, the unit may be disconnected from its AC
power cord. If the power cord is securely connected but the LEDs are still not
lit, the fuse probably needs to be replaced.
The fuse is located in the hub’s AC receptacle assembly and supplied as
standard equipment for the hub. It is a “quick-acting,” FSF034.1523 fuse or
equivalent, rated at 5 amps, 250 volts.
To replace the fuse, follow these steps:
1. Locate the AC receptacle on the hub’s back panel.
2. Disconnect the AC power cord.
3. Carefully pry open and pull out the fuse-holder, as shown in Figure 1.
Figure 1. Opening the Fuse-holder in the AC Receptacle Assembly
Use only with 250 V fuse
Employer uniquement avec
un fusible 250 V