Maintenance; Replacing The Power Module; Replacing The Fan Module; Replacing The Lithium Battery - Ruijie RG-S6920-4C Hardware Installation And Reference Manual

Hardware Installation and Reference Guide
5.2

Maintenance

5.2.1

Replacing the Power Module

The power failure will be prompted through monitoring signals. In the case of a power failure,
contact your distributor or technical support team.
See 3.7 Installing and Removing the Power Module
Caution

After hot swapping a power module, wait for at least 30 seconds before proceeding with
next hot swapping operation.

Make sure that the chassis is secured to avoid the chassis falling down during power
module swapping.

Avoid the contact between the edge connector of the removed power module and human
body to prevent the danger of electric shocks.
5.2.2

Replacing the Fan Module

The fan failure will be prompted through monitoring signals. In the case of a fan failure, contact
your distributor or technical support team.
See 3.5 Installing and Removing the Fan Module
Caution

The fan module supports hot standby. Although the system keeps operating normally for a
period even after a fan module fails, you are advised to replace the fan module
immediately.

Tighten the captive screw on the fan module.

Wait until the fans stop rotating before removing the fan module. Do not protrude your
fingers into the fan module.

After the fan module is removed from an operating chassis, install a new fan module
immediately to ensure normal operation and to avoid equipment damage.
5.2.3

Replacing the Lithium Battery

The equipment has a built-in lithium battery to maintain the real-time clock without external
power supply.
To replace the lithium battery, please contact your distributor or technical support team.
for procedure.
for procedure.
57
Monitoring and Maintenance