8
March
2005
8335-A2-GZ40-60
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the front
panel.
The 8375 and 8385 front panels, not displayed, have the same LEDs and
designations as the 8355.
Type
LED
LED is . . . *
* Pulsing: LED turns off momentarily once per second.
Slow Blinking: LED turns on momentarily once per second.
Fast Blinking: LED turns off and on in equal duration 4 times per second.
Indicating . . .
SYSTEM
OK
Green, On
Off
Green,
Pulsing
Green,
Fast Blinking
Card failure. System processing functions
have stopped.
No power to card.
Card functioning normally.
Firmware download needed.
Alrm
Amber, On
Off
Alarm is present on the card. ATM
interface is not being detected.
Normal operation, no alarms.
Test
Amber, On
Off
Amber,
Fast Blinking
Test in progress.
Normal operation, no tests.
Self-test is in progress.
ATM BUS
TX
Off
Green,
Fast Blinking
Inactive.
Cells are being transmitted.
RX
Off
Green,
Fast Blinking
Inactive, link down.
Cells are being received.
LOC
Amber, On
Off
Loss Of Clock. ATM bus clock signal is not
present.
Normal operation.
DSL PORT
8335
8365
24-Port
Models
1/9–8/16
1–12
1/13–12/24
Green, On
Off
Green,
Slow Blinking
Green,
Fast Blinking
Good signal, unit is trained.
Port is disabled.
Port is in test, or is down.
Port is training.
ALT BANK
8335
24-Port
Models
9–16
1–8
13–24
1–12
Off
Amber,
Fast Blinking
The ports not currently displayed by the
port status LEDs are functioning normally
or are disabled.
One of the ports not currently being
displayed by the port status LEDs is
down, in test, or in training mode.
00-16661
ATM
SDSL
8335
SYSTEM
OK
Alrm
Test
TX
RX
LOC
1/9
2/10
3/11
4/12
AT
M
B
U
S
DSL POR
T
5/13
6/14
7/15
8/16
POR
T
9/21
10/22
11/23
12/24
POR
T
ALT BANK
9-16
1-8
00-16719
G.DMT
G.Lite
8365
SYSTEM
OK
Alrm
Test
TX
RX
LOC
1
2
3
4
AT
M
B
U
S
DSL POR
T
5
6
7
8
POR
T
9
10
11
12
02-17210
ATM
ReachDSL
8355
SYSTEM
OK
Alrm
Test
TX
RX
LOC
1/13
2/14
3/15
4/16
ATM B
U
S
DSL POR
T
5/17
6/18
7/19
8/20
POR
T
9/21
10/22
11/23
12/24
POR
T
ALT BANK
13-24
1-12
