960E
Installation Manual
ECI Telecom Ltd. Proprietary
37
B.1.4. OUT-ALARM
The following figure displays the output alarm connections for American (NA) and
European (EU) installations. NA alarms have 3 contacts NC, NA and COM. EU alarms
have 2 contacts DRY COMM and NO or NC.
Major alarm is NC and the alarm is active when power is down or when the system
software indicates a Major alarm. Minor and ACO alarms are NO and active when the
system software indicates a Minor or ACO alarm respectively.
Figure 24.
Out-Alarm Connection Circuitry