System Housing - Acer AcerAltos 21000 System Manual

#
Item
4
Parallel port
5
USB ports
6
LAN port
7
COM 2 port
8
Hot-swap redundant
fan fail LED 2
9
COM 1 port
10
Hot-swap redundant
fan fail LED 1
11
Hot-swappable
redundant Power
Supply Modules
12
Power supply power
LED
13
Power supply fan fail
LED
14
Power cable
connector
15
Fan module fail LED
16
Fan module
(includes two fans)
*
The power supply has two cooling fans. If both fans fail to operate, the power supply
module will shut down. The LED indicators of the power supply module will be turned
off.
If the fans are functioning properly and the power supply fails, the fans will keep
operating.

System Housing

Description
Connects to parallel devices (e.g.,
printer).
Connects to USB devices.
Connects to the network cable.
Connects to serial devices (e.g., serial
mouse).
Lights up (green) when the hot-swap
redundant fan is working properly.
Connects to serial devices (e.g., serial
mouse).
Lights up (green) when the hot-swap
redundant fan is working properly.
Removable and installable even when
the system is operating. See section
2.5.
Lights up (green) when the power
supply is on.
Lights up (Yellow) when one of the
power supply fans is faulty
Connects to the power cable.
Lights up (Yellow) when one or two
fans are faulty.
The fan module is used in place of the
third power supply module if one is not
available.
*
.
2-5