Chapter 10 Installing The Dc Shelf; Dc Power Input Connections - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

Installing the DC Shelf
This chapter explains how to connect the DC power supply to the BPX switch:
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Before proceeding in this chapter, complete the procedures in either:

DC Power Input Connections

There are two ways to configure a DC-powered BPX switch:
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Connect wiring from a -48 VDC power source to one or two DC Power Entry Modules (see
Figure 10-1). This wiring is provided by the installer.
A metallic conduit box that meets all electrical codes for attaching electrical conduit is factory-installed
Figure 10-2. A simple plastic cover is also enclosed for customers who do not require conduit
protection for the input power leads Figure 10-3. Use conduit if required by local electrical code.
Only a source that complies with the safety extra low voltage (SELV) requirements in UL1950, CSA
C22.2 No. 950, EN60950 may be connected to a BPX switch DC system.
To make DC power connections to the BPX switch:
Step 1 Locate the conduit terminating box, one for each Power Entry Module. (See Figure 10-2.) Remove the
two cover screws and lift off the cover. If conduit is required, proceed to
step 2. If conduit is not required, proceed to step 3.
Determine which knockout to remove (rear or bottom). Remove knockout and install conduit fitting.
Step 2
Step 3 If conduit is not required, remove the conduit box by removing the two screws, one above the terminal
block and one below it.
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
DC Power Input Connections
Card Slot Fuses
Fan Power Fuses
Chapter 8, Installation with Cisco Cabinets including 7000 Series Routers
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or
Chapter 9, Installation in Customer Cabinet
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Single DC Power Entry Module, single power feed
Dual DC Power Entry Module, dual power feed
C H A P T E R
Cisco BPX 8600 Series Installation and Configuration
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