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NA590 Series User
’s Manual
6 Introduction
1.5 I/O Outlets
Locate front and rear panel I/O outlets on the NA590 Series server to connect serial and
ethernet interface devices.
1.5.1 Front Panel
 Power LED (Green)
LED light up when the server is powered on to perform diagnostic tests and proper
operation checking.
 HDD LED (Green)
LED flashes when HDD is transmitting or receiving data.
 Programmable LED GPIO1, GPIO2 (Green)
The GPIO1 and GPIO2 LEDs are controlled by programmable GPIO. A sample
code will be provided that allow users to define their own function.

“Default” Tact Switch
The sample code will be provided that allows users to define their own function. For
example, when the system has any problems, this switch can support to reset it to
the customer’s OS default settings if our customer’s OS supports this application.

“Reset” Tact Switch
It is for reset the system to reboot your computer instead of turning OFF the power
switch. It is a better way to reboot your system for a longer life of the system’s
power supply.
 Console Port
This is a Cisco RJ-type connector console port for command line interface and
diagnostic support by P.O.S.T (Power On Self Test).
 USB3.0 Ports
Two USB 3.0 ports supported.
 LAN bypass LED(BP1/BP2)
While running the LAN By-Pass function, the LED always lights up.