Troubleshooting Troubleshooting Procedures
Centillion 1200N ATM Switch User Manual 11-5
NTP 297-8103-903
Troubleshooting Procedures

When ALARM

LED is Lighted

(Hardware Error)

When the ALARM LED lights red while operating the ATM Switch, follow the
instructions below:
1. Connect the MAT to the ATM Switch. (See "Physical Connection of MAT"
on page 9-3.)
1. Turn on the MAT's po wer and set its communic ation parameters. (See "Setting
the MAT" on page 9-6.)
2. Enter the DISPLAY alarm command from the MAT. The command should
be entered as follows:
DISPLAY alarm[RETURN]
3. Response will be output. Determine the error and take the necessary action.
(See "Error Messages" on page 11-11.)
4. Disconnect the MAT from the ATM Switch.
Example of Responses
Hardware Alarm
96.03.10 20:11:48 - Environment000001
96.03.12 12:33:21 - FAN 0
96.02.22 08:47:38 - FAN 1
96.02.07 15:56:08 - Power Unit 0
96.02.08 12:36:15 - CPUDiagnosis NG070002
96.10.13 21:02:40 - SwitchClock Alarm010002
96.03.24 05:32:20 - Line Board 0 Clock Alarm000001
96.07.18 02:03:49 - Line Card 0 OC3c/STM-1(MMF)Path Alarm010001