Specifications

Chapter 4. Troubleshooting & Diagnostics FOMi-E1/T1 Installation & Operation Manual
4-4 Status Indicators and Alarms
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To view active alarms:
1. Press the CURSOR button to move to the Menu Type field.
2. Press the SCROLL button until ALARM BUFFER is displayed.
3. Press the CURSOR button to move to the LOC/REM field.
4. Press the SCROLL button, toggle between the local and the remote
modem (if management is not active, the remote modem will not be
displayed).
5. If an alarm message is initiated, it will be displayed in the Menu Options
field. If there is more than one alarm, scroll through the fields, using the
SCROLL button, to monitor all the alarms.
REM
MAJOR ELEC
MAJOR ELEC
NVRAM FAILED
NO MANAGEMENT
SELF TEST FAILED
MAJOR OPTICAL
NO FO INTRF
MINOR OPTICAL
MINOR ELEC
STATUS
TESTS
LINE CONFIG
DTE CONFIG
ALARM BUFFER
ALARM BUFFER
Figure 4-1 ALARM BUFFER Menu
Dry Contact Alarms
Major alarms are electrical low or optical low alarms. Minor alarms occur
when a string of "1"s (AIS) is received on the electrical or optical interface.
The dry contact operates as normally open or normally closed, using
different pins of the 9-pin D-type connnector.
Table 4-4 Major and Minor Alarm Pin Table
Type Contact Pins
Minor Alarm Normally Closed 6 and 1
Normally Open 6 and 2
Major Alarm Normally Closed 9 and 4
Normally Open 9 and 5