Removing The Dc-Power-Supply Module - Cisco ME 3400E Hardware Installation Manual

Power-Supply Module Installation
Confirm that both the DCA LED and the PSU 1 LEDs are green. (If you can access the switch rear panel,
Step 12
verify that the power-supply module PSU OK LED is green.) See
of the power-supply module LEDs. See
and DC-power-supply LED descriptions.
Figure 3-22
DC B LEDs are green when the respective feeds are active.
Figure 3-22
This illustration shows two sets of feeds installed. You can install one set of feeds, A or B.
Note
See the
supply settings.

Removing the DC-Power-Supply Module

Turn off power at the DC circuits. To ensure that power is removed from the DC circuits, locate the
Step 1
circuit breakers for the DC circuits, switch the circuit breakers to the OFF position, and tape the
circuit-breaker switches in the OFF position.
Use a number-2 Phillips screwdriver to remove the plastic safety cover from the power-supply terminal
Step 2
blocks.
Use a number-1 Phillips screwdriver to remove the DC-input power wires from the power terminals.
Step 3
Use a Phillips screwdriver to loosen the two captive screws at the lower edge that secure the
Step 4
power-supply module to the switch chassis.
Remove the power-supply module from the power slot by pulling on the extraction handle.
Step 5
To prevent overheating and to maintain proper air flow, either a power-supply module or a blank cover
Caution
must be installed in each power-supply module slot at all times.You can order the blank cover (part
number ME34X-PWR-BLANK=) from Cisco.
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
3-16
shows the front of the switch when DC-power-supply modules are installed. The DC A and
DC-Power Terminal Block With Two Feeds
"Power Supply Settings" section on page 3-17
Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules
Table 3-2 on page 3-4
Table 1-4 on page 1-9 and
for information on how to configure the power
for a description
Table 1-6 on page 1-10 for the status
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