Asus AP1720-E2 - Manual (Page 16)

Chapter 1: Product introduction 1-6
1.4 Rear panel features
The rear panel includes a slot for the motherboard rear I/O ports,
expansion slots, a chassis lock and intrusion switch, a vent for the system
fan, and power supply module.
Single power supply models
Power supply module
SCSI connectors*
Power connector
12 cm system fan
Chassis cover lock
PS/2 mouse port
PS/2 keyboard port
USB ports
Microphone port
Line Out port
Serial ports
Parallel port
Expansion slots
Redundant power supply models
300 W power supply
modules**
Power connectors
* On AS8/AS4
configuration only.
** The system comes
with two power supply
module. The third
power supply module
for redundant power is
optional.
Gigabit LAN port
IEEE 1394 port
Line In port