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Front Panel LEDs
The following table describes the meaning and states of the LEDs on the front panel.
Type
LED
SYSTEM
OK
Alrm
Test
ATM BUS
TX
RX
LOC
T1 PORT
1–8
(8995)
E1 PORT
(8997)
* Pulsing: LED turns off momentarily once per second.
Fast Blinking: LED turns off and on in equal duration 4 times per second.
LED is . . . *
Green, On
Off
Green, Pulsing
Amber, On
Off
Amber, On
Off
Off
Green, Fast Blinking
Off
Green, Fast Blinking
Yellow, On
Off
Green, On
Yellow, On
Off
12
Indicating . . .
Card failure. System processing
functions have stopped.
No power to card.
Card is functioning normally.
Alarm is present on the card.
Normal operation, no alarms.
Test in progress.
Normal operation, no tests.
Inactive.
Cells are being transmitted.
Inactive, link down.
Cells are being received.
Loss Of Clock. ATM bus clock
signal is not present.
Normal operation.
Good signal; the link is active.
Link is in an alarm state.
Link is disabled.
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