Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 252
Installation guide
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Removing and Installing the DC-Input Power Supplies
Step 19
Turn the power switch to the on (|) position on the power supply. Turning on the power switch also
engages a pawl that locks the power supply in the chassis.
Step 20
Verify the power supply operation by ensuring that the power supply front panel LEDs are in the
following states:
•
•
•
•
•
If the LEDs indicate a power problem, see the
Installing the 4000 W Power Supply (Wiring for 2700 W Operation; Right Power Bay)
See
You should allow a minimum of 2.5 to 3 inches (63.5 mm to 76.2 mm) of space between the side of the
Note
power supply and any obstructions (such as the side of an enclosed equipment rack). This space is needed
to install and secure the DC-input power cables correctly. Incorrectly routing the DC-input power cables
can cause airflow blockage into the power supply and inadequate strain relief in the cables. The exact
amount of space required depends upon the gauge and flexibility of the DC-input power cables that you
are using.
For proper 2700 W DC-input redundant power configurations, source DC for one 4000 W DC-input
Note
power supply must come from the same battery system (A feed); source DC for the other 4000 W
DC-input power supply must come from another battery system (B feed).
For multiple DC-input power supplies, each DC input must be protected by a dedicated circuit breaker
Note
or a fuse. The circuit breaker or fuse must be sized according to the power supply input rating and the
local or national electrical code requirements.
Catalyst 6500 Series Switches Installation Guide
4-46
INPUT OK 1 LED—If you have source DC cables attached to the VE-1 pair of power supply inputs,
verify that the LED is green. If source DC cables are attached and the LED is not lit, source DC
might not be on or the source DC voltage is less than or equal to –33 VDC. If the source DC voltage
is between –33 VDC and –40.5 VDC, the LED can be either on, off, or flashing.
INPUT OK 2 LED—If you have source DC cables attached to the VE-2 pair of power supply inputs,
verify that the LED is green. If source DC cables are attached and the LED is not lit, source DC
might not be on or the source DC voltage is less than or equal to –33 VDC. If the source DC voltage
is between –33 VDC and –40.5 VDC, the LED can be either on, off, or flashing.
INPUT OK 3 LED—If you have source DC cables attached to the VE-3 pair of power supply inputs,
verify that the LED is green. If source DC cables are attached and the LED is not lit, source DC
might not be on or the source DC voltage is less than or equal to –33 VDC. If the source DC voltage
is between –33 VDC and –40.5 VDC, the LED can be either on, off, or flashing.
FAN OK LED is green.
OUTPUT FAIL LED is not lit.
Figure 4-26
for item location and identification on the 4000 W DC-input power supply.
Chapter 4
Removal and Replacement Procedures
"Identifying Startup Problems" section on page
E-3.
OL-5781-08
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Table of Contents
Troubleshooting
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