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Front Panel LEDs
The following table describes the meaning and states of the LEDs on the front
panel.
ALT BANK
ALT BANK
9-16
13-24
1-8
1-12
ATM
ATM
G.DMT
SDSL
ReachDSL
G.Lite
8335
8355
8365
00-16661
02-17210
00-16719
* Pulsing: LED turns off momentarily once per second.
The 8375 and 8385 front panels, not displayed, have the same LEDs and
designations as the 8355.
8
Type
LED
SYSTEM
OK
Alrm
Test
ATM BUS
TX
RX
LOC
DSL PORT
8335
1/9–8/16
8365
1–12
24-Port
1/13–12/24
Models
ALT BANK
8335
9–16
1–8
24-Port
13–24
Models
1–12
Slow Blinking: LED turns on momentarily once per second.
Fast Blinking: LED turns off and on in equal duration 4 times per second.
March 2005
LED is . . . *
Indicating . . .
Green, On
Card failure. System processing functions
have stopped.
Off
No power to card.
Green,
Card functioning normally.
Pulsing
Green,
Firmware download needed.
Fast Blinking
Amber, On
Alarm is present on the card. ATM
interface is not being detected.
Off
Normal operation, no alarms.
Amber, On
Test in progress.
Off
Normal operation, no tests.
Amber,
Self-test is in progress.
Fast Blinking
Off
Inactive.
Green,
Cells are being transmitted.
Fast Blinking
Off
Inactive, link down.
Green,
Cells are being received.
Fast Blinking
Amber, On
Loss Of Clock. ATM bus clock signal is not
present.
Off
Normal operation.
Green, On
Good signal, unit is trained.
Off
Port is disabled.
Green,
Port is in test, or is down.
Slow Blinking
Green,
Port is training.
Fast Blinking
Off
The ports not currently displayed by the
port status LEDs are functioning normally
or are disabled.
One of the ports not currently being
Amber,
displayed by the port status LEDs is
Fast Blinking
down, in test, or in training mode.
8335-A2-GZ40-60
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