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Chapter 11
Installing the AC Shelf
Note
Step 3
For the dual power feed version, plug each power cord into receptacles on separate building circuits to
provide protection against a power feed failure. Each building circuit should be protected with a 20 A
circuit breaker.
The ground (green/yellow) wire of the AC power cord provides the safety ground to the BPX switch via
Step 4
the grounding prong on the three-prong connectors. Make sure the building AC receptacle is also
properly grounded as shown in Figure 11-10.
Figure 11-10 AC Power
L1
L2
As applicable, provide a convenience AC outlet strip, with at least four outlets, near the BPX switch to
Step 5
power optional modems, CSU, or DSU, test equipment, and so forth. There is no accessory AC outlet
supplied on the BPX switch. The outlet strip should be connected to a source of AC voltage normal for
the region (such as, 115 VAC for domestic US use).
Step 6
Proceed to Chapter 13, "Installing the BPX Switch Cards."
Card Slot Fuses
Fuses for each card slot on the backplane of the BPX switch protect against catastrophic backplane
damage in the event of a shorted connector power pin. The card slot fuses are designated F4 through F18,
corresponding to card slot numbers 1 through 15, respectively.
Backplane fuses should rarely, if ever, need replacement.
For instructions on replacement of these fuses, see Chapter 29, "Replacing Parts." 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 fuse. Fuses
Caution
should be replaced only after all power to the BPX switch has been turned off.
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
The BPX switch circuit breaker is 20 A to provide improved system availability for
installations with a single line cord and (N+1) power supplies.
180 - 240 VAC
Cisco BPX 8600 Series Installation and Configuration
Card Slot Fuses
11-11
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Troubleshooting
