Installing The Dc Power Supply In The Switch - Cisco IE 4010 Hardware Installation Manual

Power Supply Installation
Power-Supply Module Installation
Locate the circuit breakers, turn them OFF, and lock out the circuit.
Warning: If the power is not off at the AC or DC circuit breaker, do not touch the power-input terminal.
2. Use a Phillips screwdriver to loosen the two captive screws of the blank power-supply module and gently pull it out.
See Figure 25 on page 38
Figure 25 Loosen the Screws on the Power Supply Blank
C i sco I E
301 0
Sw i t ch Ser
i es
Figure 26 Remove the Power Supply Blank
C i sco C onn
Sw i tch 250
3. Insert the power-supply module into the slot, and gently push it in. See
Note: Ensure that the power supply module is flush with the switch.

Installing the DC Power Supply in the Switch

To remove and install a DC-powered power supply module, follow these steps:
1. Turn off power at the DC circuits. To ensure that power is removed from the DC circuits, locate the circuit breakers
for the DC circuits, switch the circuit breakers to the OFF position, and tape the circuit-breaker switches in the OFF
position.
2. Use a number-2 Phillips screwdriver to remove the plastic safety cover from the power supply terminal blocks.
3. Use a number-1 Phillips screwdriver to remove the DC-input power wires from the power terminals.
Use a Phillips screwdriver to loosen the two captive screws at the lower edge that secure the power supply module to
the switch chassis (Figure 27 on page
4. Remove the power supply module from the power slot by pulling on the extraction handle.
5. Insert the new power supply into the power supply slot, and gently apply pressure while pushing the module into the
slot (Figure 27 on page
and Figure 26 on page
ect ed G ri
d
0 Ser i es
39).
39). When correctly inserted, the power supply is flush with the switch rear panel.
38.
Figure 27 on page
38
39.