Replacing a Fuse
A-8
Communications Server Hardware Installation Guide
Procedure
1.
Turn the power switch off and disconnect the PortMaster from the power source
(PM-2i shown).
2.
Detach the power cord from the PortMaster.
3.
Insert a 5/32-inch flathead screwdriver between the fuse door and the chassis,
and gently pull the fuse door open.
4.
If the white outer coating of the fuse is discolored (burned), replace the fuse.
The fuse can be inserted from either end.
5.
Press the fuse door shut until it clicks.
6.
Reconnect the power cord to the PortMaster.
7.
Turn the power switch on (PM-2i shown).
ETHERNET
ISDN/U
ISDN/U
ISDN/U
ISDN/U
ISDN/U
ISDN/U
S0-S1
S2-S3
S4-S5
S6-S7
S8-S9
HD
C0 - DIAG
1189-0025
1189-0023
ETHERNET
ISDN/U
ISDN/U
ISDN/U
ISDN/U
ISDN/U
ISDN/U
S0-S1
S2-S3
S4-S5
S6-S7
S8-S9
HD
C0 - DIAG
1189-0038
Summary of Contents for PortMaster PM-2
Page 4: ......
Page 8: ...Contents viii Communications Server Hardware Installation Guide...
Page 38: ...Set the Network Address 2 18 Communications Server Hardware Installation Guide...
Page 50: ...Removing PortMaster Expansion Boards 3 12 Communications Server Hardware Installation Guide...
Page 84: ...Ordering Instructions D 8 Communications Server Hardware Installation Guide...
Page 88: ...Index Index 4 Communications Server Hardware Installation Guide...