4. Monitoring
8900-A2-GB20-50
August 2005
4-3
Front Panel LEDs (Models 8955, 8965, 8975, and 8985)
The following table describes the meaning and states of the LEDs on the front
panel of the Model 8955, 8965, 8975, and 8985 line cards. The Model 8955 (not
shown) has the same LED designations and behaviors as the Model 8965.
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
or
SYS 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. Bus clock signal is
not present.
Normal operation.
DSL PORT
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
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.
04-17425-01
ATM
ADSL2+
8965
SYSTEM
OK
Alrm
Test
TX
RX
LOC
1/13
2/14
3/15
4/16
SYS BUS
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
03-17426
ATM
SHDSL
8985
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
05-17632
R
8975
SYSTEM
OK
Alrm
Test
TX
RX
LOC
1/13
2/14
3/15
4/16
ATM BUS
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