Card Slot Fuses; Figure 10-3 Dc Power Connections-Without Conduit Box - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

Card Slot Fuses

Figure 10-3 DC Power Connections—Without Conduit Box
1
ON
CB1
OFF
0
DC terminal
block
Card Slot Fuses
Fuses for each card slot are installed to the backplane of the BPX switch to protect against catastrophic
backplane damage in the event of a shorted connector power pin. Backplane fuses should rarely, if ever,
need replacement. The card slot fuses are designated F4 through F18, corresponding to card slot
numbers 1 through 15, respectively.
See Chapter 30, Replacing Parts, for instructions on replacement of these fuses. Contact Cisco
Customer Service for assistance regarding their replacement.
For continued protection against risk of fire, replace only with the same type and rating of
Caution
fuse. Fuses should be replaced only after all power to the BPX switch has been turned off.
Cisco BPX 8600 Series Installation and Configuration
10-4
48V
+RTN
Plastic cover
(removed)
Earth
ground
terminal
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 10 Installing the DC Shelf