QLS250, QLS450, QLS650, and QLS800
Installing and Removing DC Power Supply Units in Check Point Appliances | 7
Item
Description
1
Release lever
2
LED indicator for each power supply unit
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Off - No power cord is connected to any of the PSUs in the system
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Green - System on
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Blinking green - Power cords are connected to all PSUs, but system is off
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Amber - No power cord is connected to the PSU, but other PSUs in the system are
connected to a power cord
n
Blinking amber - Warning that a hardware issue (high temperature, high power, high
current, slow fan) might lead to an issue with the PSU
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Blinking green amber - PSU undergoing Firmware update
3
Extractor handle
4
QLS250 - Two DC PSUs
QLS450, QLS650, and QLS800 - Three DC PSUs (two are required for the appliance to work,
and the third is for redundancy)
5
ESD grounding point
6
Alarm off button for power supply units
Legend
Removing a DC Power Supply Unit
Before you remove a power supply unit, we recommend that you make sure that:
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In QLS250 - A second DC power supply is installed and connected to a working power source
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In QLS450, QLS650, and QLS800 - Two other DC power supplies are installed and connected to a
working power source
Or
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The appliance is shut down.
To remove a power supply unit:
1. Loosen the two DC power cord retaining screws from the power supply.
2. Remove the power cord from the power supply unit.
3. If the alarm sounds, press the
Alarm Off
button to the right of the power supply units.
4. Press and hold down the release lever as shown.
