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Symmetricom 5087B Operations and Maintenance Manual Rev. E
4
Troubleshooting the Symmetricom 5087B
Replacing Fuses
If you know that a local event caused blown fuses throughout a rack,
you can replace the fuses in each Symmetricom 5087B power entry
module.
Required for this procedure:
•
Small flat-head screwdriver
•
Replacement fuse for a standard IEC 320 power entry module with
fuse (5 x 20 mm, 1-amp, 250-volt fuse) (P/N 2110-0973)
To replace a fuse
1
Disconnect the power cable from the back of the Symmetricom
5087B.
2
Using a small screwdriver, open the fuse cover on the back of the
Symmetricom 5087B.
3
Replace the old fuses as necessary.
4
Close the fuse cover.
5
Reconnect the power cable to the back of the Symmetricom 5087B.