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NOTE: Do not overheat the tubing.
Figure 21: How to Install Heat-Shrink Tubing
4.
Ensure that the input circuit breaker is open so that the voltage across the DC power source cable
leads is 0 V and that the cable leads do not become active while you are connecting DC power.
NOTE: The V+ terminals are referred to as +RTN, and V– terminals are referred to as –48 V
in
"DC Power Wiring Sequence Warning" on page 133
Guidelines" on page
5.
Ensure that the power supplies are fully inserted in the chassis.
6.
Remove the terminal block cover. The terminal block cover is a piece of clear plastic that snaps into
place over the terminal block (see
7.
Remove the screws on the terminals using the screwdriver. Save the screws.
WARNING: Ensure that the power cables do not block access to device
components or drape where people can trip on them.
129.
Figure 22 on page
and
"DC Power Electrical Safety
61).
59
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Table of Contents
Troubleshooting
