User`s manual

NA-320 Series Network Appliance User’s Manual
Introduction
9
1.5 I/O Outlets
Locate the front panel I/O outlets on the NA-320 Series server to
connect serial and Ethernet interface devices.
1.5.1 Front Panel for NA-320 &NA-320FL
 LAN By-Pass LED(for optional)
While running the LAN By-Pass function, the LED always
lights up.
 Programmable LED (for optional)
A sample code will be provided that allow users to define
their own function.
 Power LED
It will be lighting when the server is powered on to perform
diagnostic tests and check a proper operation.
 LAN Link LED
It will be lighting when a twisted pair is connected to
another Ethernet device on the port. It shows network
transfer rate while making a connection.
 Activity LED
It will be lighting when the server is transmitting or
receiving a packet through the twisted pair ports.
LEDs
LEDs