5.3
Replacement Procedures
WARNING! StackMaster™ hubs contain no user-serviceable parts. With
the exception of the 24-port 10BaseT hub, the 6-port 10BaseFL hub, or
the 12-port 10BaseFL hub, which are designed to be opened for instal-
lation of the SNMP management board, DO NOT, UNDER ANY
CIRCUMSTANCES, open and attempt to repair StackMaster™
equipment. Failure to observe this warning could result in electrical
shock and personal injury.
NOTE: Failure to observe the above warning for any StackMaster™ units
except the 24-port 10BaseT hub, the 6-port 10BaseFL hub, or the 12-port
10BaseFL hub will immediately void any warranty.
Replacing StackMaster™ Hub Fuses
To replace a StackMaster™ hub fuse:
1.
Disconnect outlet end of power cord from AC wall socket.
2.
Disconnect the power cord from the StackMaster™ hub
power receptacle.
3.
Carefully open fuse receptacle, using small flat blade
screwdriver.
CAUTION: Replace fuse only with same size and rating. Failure to
observe this caution could result in equipment damage.
NOTE: Installed fuse rating orientation is indicated as read in lower right
corner of fuse holder.
4.
Install replacement fuse holder in correct rating orientation.
5.
Close fuse receptacle.
6.
Connect power cord to StackMaster™ hub power receptacle.
7.
Connect outlet end of the power cord to the AC wall socket.
8.
Verify that POWER LED at the front of the StackMaster™ hub
is illuminated.
5-6
StackMaster™
110-120
110-120
220-240
220-240
110-120 Orientation
220-240 Orientation
Fuse Holder
Fuse Holder