Replacement Procedures; Replacing A Power Supply; Precautions; Procedure - H3C CR16000-M Installation Manual

8

Replacement procedures

WARNING!
• Ensure electricity safety when you replace a removable component on an operating router.
• To avoid device damage and bodily injury, strictly follow the replacement procedures to replace
removable components on the router.
The router uses a modular architecture. You can replace removable components on an operating
router.

Replacing a power supply

Precautions

Before you replace a power supply, read the following precautions carefully:
•
To avoid device damage or bodily injury, strictly follow the procedures shown in
Figure8-2
•
Do not install power supplies of different models on the same router.
•
Prepare a circuit breaker for each power supply. Before replacing a power supply, turn off its
circuit breaker.
•
The power supply might be of high temperature. Remove it with caution.
•
To reinstall the removed power supply, wait for its status LEDs to turn off.
•
If you are not to install a new power supply after removing the old one, install a filler panel in the
slot.
Figure8-1 Power supply removal flowchart
Turn off the circuit
breaker
Figure8-2 Power supply installation flowchart
Install the power
supply

Procedure

1. Prepare an antistatic mat to place the removed power supply.
2. Turn off the circuit breaker.
3. Wear an ESD wrist strap and make sure it makes good skin contact and is correctly grounded.
For more information, see "Attaching an ESD wrist strap."
4. Remove the power cord from the power supply:
AC power cord—Remove the cable tie from the power cord, and then remove the power

cord connector from the power supply.
to replace a power supply.
Disconnect the power
Connect the power
cord
cord
8-1
Figure8-1
Remove the power
supply
Turn on the circuit
breaker
and