4. Monitoring
Front Panel LEDs (Models 8955, 8965, and 8985)
The following table describes the meaning and states of the LEDs on the front panel of the Model 8955, 8965, and 8985 line cards.
SYSTEM
OK
Alrm
Test
ATM BUS
TX
RX
LOC
DSL
PORT 
1/13
2/14 
3/15 
4/16 PORT
5/17 
6/18 
7/19 
8/20 PORT
9/21
10/22 
11/23 
12/24
ALT BANK
SYSTEM 
OK
Alrm
Test
SYS BUS
TX
RX
LOC
DSL
PORT 
1/13
2/14 
3/15 
4/16 PORT
5/17 
6/18 
7/19
8/2 0
PORT
9/21
1 0/22
11/23 
12/24
ALT BANK
SYSTEM
OK
Alrm
Test
ATM BUS
TX
RX
LOC
DSL
PORT 
1/13
2/14 
3/15 
4/16 PORT
5/17 
6/18 
7/19 
8/20 PORT
9/21
10/22 
11/23 
12/24
ALT BANK
Type | LED | LED is . . . * | Indicating . . . |
|
|
|
|
SYSTEM | OK | 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 |
|
|
|
|
|
| Alrm | Amber, On | Alarm is present on the card. ATM |
|
|
| interface is not being detected. |
|
| Off | Normal operation, no alarms. |
|
|
|
|
| Test | Amber, On | Test in progress. |
|
| Off | Normal operation, no tests. |
|
| Amber, | |
|
| Fast Blinking |
|
|
|
|
|
ATM BUS | TX | Off | Inactive. |
or |
| Green, | Cells are being transmitted. |
SYS BUS |
| Fast Blinking |
|
|
|
| |
| RX | Off | Inactive, link down. |
|
| Green, | Cells are being received. |
|
| Fast Blinking |
|
|
|
|
|
| LOC | Amber, On | Loss Of Clock. Bus clock signal is |
|
|
| not present. |
|
| Off | Normal operation. |
|
|
|
|
DSL PORT | 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 |
|
|
|
|
|
ALT BANK |
| Off | The ports not currently displayed |
|
|
| by the port status LEDs are |
| ATM |
| ATM |
| ATM |
ReachDSL | ADSL2+ | SHDSL | |||
8955 |
| 8965 |
| 8985 | |
| functioning normally or are |
| disabled. |
Amber, | One of the ports not currently |
Fast Blinking | being displayed by the port status |
| LEDs is down, in test, or in training |
| mode. |
*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.
June 2004 |
