Installing a Power Supply Blank Cover
Procedure
Step 1
Use one hand to hold the power supply module blank cover to the required bay and insert the screws with the
other hand.
Step 2
Use the Phillips head screwdriver to tighten the power supply module blank cover to the bay.
Removing a Power Supply Module from an OLT
Before you begin
Ensure that the power is turned off at the power source by turning off the power for that circuit.
Procedure
Step 1
Detach the power and ground cables from the power source, as follows:
• For the AC-input power supply, unplug the power cables that are attached to the power supply and the
power source.
• For the DC-input power supply, remove the power cables from the power supply and the power source.
Step 2
Remove the power cables from the OLT, as follows:
• For the AC-input power supply, unplug the power cable that is attached to the power connector to the
power supply module.
• For the DC-input power supply, loosen and unscrew the two nuts that connect the positive (+) DC power
cable lug to the RTN terminal, and the negative (–) DC power cable lug to the NEG terminal. Remove
the power cables from the power supply module.
Cisco Catalyst PON Series Switches Hardware Installation Guide
49
Remove and Replace Field-Replaceable Units
Installing a Power Supply Blank Cover