System leds – Paradyne ACCULINK 316x User Manual
Page 49
Advertising
Operation
3-7
3160-A2-GB22-10
December 1996
Table 3-1
System LEDs
Name
Color
Meaning
OK
Green
Indicates the current operational state of the DSU/CSU.
ON :
The DSU/CSU is operational and has power.
OFF :
The DSU/CSU is performing a power-up self-test or a system
failure has occurred.
BLINKING :
A software download is in progress.
FAST BLINKING: The 3161 CSU is currently selected by the SDCP.
FAIL
Yellow
Indicates a system failure or a self-test.
ON :
A device error/fault is detected or a reset has just occurred.
OFF :
No system failures are detected.
BLINKING :
A self-test is in progress.
TEST
Yellow
A system test is in progress.
ON :
A loopback or pattern test has been initiated either locally, by the
network, or externally.
OFF :
No tests are active.
Advertising