DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123 Issue 1
April 1997
Maintenance Object Repair Procedures
Page10-714EXT-DEV ADMIN? Y (External Device Alarm)
10
Duplication Interface (TN772) circuit pack in carrier (A) monitors the EXT-DEV
alarm leads, and provides the status to the Maintenance processor (TN786B or
TN790) in the active SPE. In the EPN the Maintenance Board (TN775) monitors
the EXT-DEV alarm leads. The system only recognizes pairs connected to the 1M
and 1m (ALARM MONITOR) leads. Pairs connected to the 2 M, 2m, 3M, 3m, and
3w are not recognized by the system. Refer to the
DEFINITY Communications System Generic 1 and Generic 3i Wiring,
555-204-111, for more details.
Hardware Error Log Entries and Test to Clear
Values
NOTE:
The loss of -48 volt power will prevent dete ct io n o f an exte r na l dev i ce
alarm. AC-POWER, CARR-POW, and DC-POWER alarms could indicate the
loss of the external device alarm -48 volt power source. ALARM-PT alarms
may also indicate a loss of power. When analog line ports are adm inistered
as analog line external device alarms loss of -48 vol ts will prevent detection
of an external device alarm.
Table 10-202. Hardware Error Log Entries and Test to Clear Value
Error
Type Aux
Data Associated Test Alarm
Level On/Off
Board Test to Clear Value
0 0 Any Any Any test eda-external-device-alrm
physical location r 2 or 6
1 or 5 Any External Device
Alarm Test (#120) Any OFF test eda-external-device-alrm
physical location r 2 or 6