57
Power Supply Installation
Removing the Power-Supply Module
AC Power Connection
Connect the other end of the line wire (the one connected to L) to the line terminal on the AC-power source, and
connect the other end of the neutral wire (the one connected to N) to the neutral terminal on the AC power source.
DC Power Connection
Connect the other end of the positive wire (the one connected to “+”) to the positive terminal on the DC-power
source, and connect the other end of the negative wire (the one connected to “–”) to the negative terminal on the
DC power source.
Note: Ensure that you cannot see any wire lead. Only wire with insulation should extend from the terminal screw.
If you have two power supplies, repeat steps 1 through 10.
10. Close the power-input terminal cover.
11. Use a ratcheting torque screwdriver to torque the screw to 6–8 in-lb.
12. Turn on the power at the AC or DC circuit.
13. Verify that the PSU1 or PSU2 LED on the switch and PSU OK LED on the power-supply module are green.
See the switch software guide for information on how to configure the power supply settings.
Removing the Power-Supply Module
The power-supply modules are hot-swappable. By removing the power-supply modules, you can power off the switch
without disconnecting the wiring from the power-input terminal.
1. Ensure that the power is off at the AC or DC circuits.
Locate the circuit breakers, turn them OFF, and tape them in the OFF position.
Warning: If the power is not off at the AC or DC circuit breaker, do not touch the power-input terminal.
2. Verify that the PSU LED and PSU OK LED is blinking red or is off.
3. Use a Phillips screwdriver to loosen the captive screws that secure the power-supply module to the switch. See
Figure 50 on page 57.
Warning: Hot surface. Statement 1079
Figure 50 Removing the Screws
4. Remove the power-supply module from the power slot. The power-supply module might be hot. See Figure 51 on
page 58.
Cisco IE 3010
Sw itch Series
208384
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