8-4 Troubleshooting
DISK ACCESS LED
The DISK ACCESS LED on the front panel goes on while the internal hard disk drive is accessed.
With the server of 3.5-inch model, this LED does not go on.
UID LED (Unit Identification)
Pressing the UID switch turns the UID LED located on the front of the server on and off. Pressing
the UID switch again turns off the UID LED. The UID LED blinks upon reception of command
from software.
If two or more servers are installed in a single rack, this LED helps you identify the
server you are going to maintain.
LINK/ACT LED
The LINK/ACT LED indicates the state of each factory-installed network port. If the power is
supplied to the server and the hub and they are correctly connected with each other, the LED is lit
green (LINK state). If information is transmitted through a network port, the LED blinks green
(ACT state).
If the LED is not lit in the LINK state, check the network cable and the cable connection. If the
LED is not lit still after the checking, the network (LAN) controller may be defected. Contact your
service representative.
SPEED LED
The SPEED LED on the front panel indicates whether each of the factory-installed network ports is
operated through the 1000BASE-T, 100BASE-TX or 10BASE-T network interface. If the LED is lit
amber, the network port is operated through 1000BASE-T. If the LED is lit green, the network port
is operated through 100BASE-TX. If the LED is off, the network port is operated through 10BASE-
T.
Summary of Contents for N8100-1573F
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