Installing The Ac Power Supply - Cisco NCS 4206 Installing

Installing the AC power Supply

Step 6
Grasping the power supply handle with one hand, pull the power supply out from the chassis while supporting it with
the other hand.
Step 7 Remove the lugs from the PSU.
Step 8
Replace the new DC PSU and connect the DC leads to the power supply as before
Step 9 Turn on the circuit breaker or the reinstall the fuse.
Step 10
Verify the power supply by checking if the front panel LEDs are as below:
• Input OK LED is green
• Output FAIL LED is green
Note Replace the DC power supply within 5 minutes. If the power supply bay is to remain empty, install a blank
filler plate (Cisco part number A900-PWR-BLANK) over the opening, and secure it with the captive installation
screws.
Installing the AC power Supply
Warning
Installing the AC Power Supply Module for A900-PWR550-A (550 W) and
A900-PWR1200-A (1200 W)
Follow these steps to install the power supply module:
Step 1 Ensure that the system (earth) ground connection has been made. For ground connection installation instructions, see the
Installing the Chassis Ground
Step 2
If necessary, remove the blank power supply filler plate from the chassis power supply bay opening by loosening the
captive installation screws.
Step 3
Grasp the power supply handle with one hand. Place your other hand underneath the power supply, as shown in the figure
below. Slide the power supply into the power supply bay. Make sure that the power supply is fully seated in the bay.
Installing the Cisco NCS 4206
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This product requires short-circuit (over current) protection, to be provided as part of the building installation.
Install only in accordance with national and local wiring regulations.
Connection.
Installing the Cisco NCS 4206