Replace Power Supply - Cisco NCS 540 Hardware Installation Manual

Replace Power Supply

Figure 21: Remove Fan Tray from the Chassis
Step 2 Pull the fan tray to remove the fan tray to be replaced.
Step 3
Hold the fan module with the LED and PID label at the top.
Step 4 Align the fan module to the open fan tray slot in the chassis and press the module all the way into the slot until the left
and right latches click and lock on the chassis.
Step 5 If the chassis is powered on, listen for the fans. You should immediately hear them in operation. If you do not hear them,
ensure that the fan module is inserted completely in the chassis.
Step 6 Verify that the fan module LED is green. If the LED is not green, one or more fans are faulty.
Replace Power Supply
The router provides the choice of two different power supplies:
• DC power—The DC power supply uses 2-position terminal block-style connector with positive
• AC power—The AC power supply has an IEC 320-type power receptacle and a 15 Amp service connector.
You can install dual power supplies for redundancy.
Cisco NCS 540 Router Hardware Installation Guide
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latching/securing and labeled connections for +24/48V, GRD, -24/48V. The terminal block connector
is of suitable size to carry the appropriate AWG wire size to handle the input current of the power supply.
No ON/OFF switch is provided.
You can use standard right angle power cords with the AC power supply. The power supply includes a
power cord retainer. No ON/OFF switch is provided.
Replace Fan Module and Power Supply