Lanner FW-8877 - Manual (Page 11)

5
Introduction
Chapter 1
Network Application Platforms
R1 Low Profile Expansion Slot for full-height half-length PCIe card
R2 4 Hot-swappable Fans (Corresponding connectors on the mainboard from left to right: FAN4, FAN3, FAN2, FAN1).
R3 Power-on Switch
It is a switch to turn on or off the power.
R4 Power Supply Alarm Switch
When the alarm sounds (it indicates a power supply failure), switch off this button to turn off the alarm. Replace the failed
power supply as soon as possible.
R5 Redundant Power Supply
The 400W redundant power supply is hot-swappable and can be withdrawn and replaced when the alarm sounds. The
LED of the failed power supply will be turned off. To replace the failed power supply unit, unscrew the screw and press
the latch to release the unit and pull it out.
Rear Panel Features
R3 R1 R2 R5
R4
PSU latch
PSU LED