
User Guide
261
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5V STBY LED
This LED lights when AC power is applied to the platform and 5C standby voltage is
supplied to the motherboard by the power supply.
Fan Fault LEDs
Fan Fault LEDs are located near their adjacent header.
System ID LED, System Status LED, and POST Code Diagnostic
LEDs
The motherboard provides LEDs for both the system ID and the system status. POST
code diagnostic LEDs are located on the back edge of the motherboard.
For more information on the Diagnostic LEDs, refer to
“Diagnostic LEDs” on
page 256
.
LAN#1 - Link/Act
Green
ON
Link
Green
BLINK
LAN Access (off when there is traffic)
-
OFF
Disconnect
LAN#1 - Speed
Green
ON
Green, link speed is 100Mbits/sec
Amber
ON
Amber, link speed is 1000Mbits/sec
-
OFF
OFF, link speed is 10 Mbits/sec
LAN#2 - Link/Act
Green
ON
Link
Green
BLINK
LAN Access (off when there is traffic)
-
OFF
Disconnect
LAN#2 - Speed
Green
ON
Green, link speed is 100Mbits/sec
Amber
ON
Amber, link speed is 1000Mbits/sec
-
OFF
OFF, link speed is 10 Mbits/sec
Identification
Blue
ON
Unit selected for identification
Blue
BLINK
Blink under software control
-
OFF
No identification
Table 19: LEDs Summary (Continued)
Name
Colour
Condition
What it describes
Summary of Contents for NovaScale T840
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