ADC Telecommunications Inc. DVLRCSSMR Benutzerhandbuch
ADCP-75-134 • Issue A • April 2002 • Section 5: Maintenance
Page 5-6
©
©
2002, ADC Telecommunications, Inc.
3
FAULT ISOLATION AND TROUBLESHOOTING
Alarm
information may be accessed and faults isolated using the information provided by the
unit
front panel LED indicators, the EMS software MI alarm displays, or the NOC-EMS
interface.
Because the alarm information provided by the EMS software MI and the NOC-EMS
interface
is very detailed, refer to
or
(Host
Unit or Remote Unit) that corresponds to the indicated alarm. Then refer to
or
Table 5-4. Host Unit Major and Minor Alarms
MAJOR ALARM
LED INDICATOR
MAJOR ALARM
LED INDICATOR
Operating
Mode
(Does
not apply)
Fwd
Synth Lock
HOST
UNIT
3.8
Volt
HOST
UNIT
Sec
Rev Synth Lock
HOST
UNIT
Pri
Laser Fail
HOST
UNIT
Overdrive
DRIVE
Pri
Errors
PORT
1/PORT 2
MINOR ALARMS
LED INDICATOR
Pri
Fwd Mux Lock
HOST
UNIT
Underdrive
DRIVE
Pri
Rev Synth Lock
HOST
UNIT
Temperature
HOST
UNIT
RF
Mute
(Does
not apply)
Sec
Errors
PORT
3
8
Volt
HOST
UNIT
Sec
No Light
PORT
3
Pri
No Light
PORT
1/PORT 2
Major
Extern Output
(Does
not apply)
Table 5-5. Remote Unit Major and Minor Alarms
MAJOR ALARM
LED INDICATOR
MAJOR ALARM
LED INDICATOR
Operating
Mode
(Does
not apply)
Pri
Rev Synth Lock
STM
Converter
STM
RF
Mute
(Does
not apply)
Pri
Laser Fail
STM
LPA
Detect
PA
Pri
Rev Mux Lock
STM
LPA
Low Power
PA
Reference
Synth Lock
STM
Major
Extern Alarm Inp (Does not apply)
System
VSWR
VSWR
MINOR ALARM
LED INDICATOR
LPA
DC Fail
PA
Sec
Rev Synth Lock
STM
LPA
Over Power
PA
Rev
Path Level
(Does
not apply)
AC
Fail
AC
POWER
Temperature
STM
3.8
Volt
STM
Sec
Laser Fail
STM
Pri
No Light
PORT
1/PORT 2
Sec
Rev Mux Lock
STM
Fwd
Synth Lock
STM
LPA
Disable
SHUTDOWN
(LPA)
LPA
Loop Failed
PA
LPA
Fan
PA
LPA
VSWR
PA
LPA
High Temp
PA
Battery
Voltage
STM
Minor
Extern Alarm Inp (Does not apply)
8
Volt
STM
RF
Out Very Low
(Does
not apply)
Pri
Errors
PORT
1/PORT 2
–
–