Unit installation

Installation and Operation Manual Appendix D Command Language
FCD-E1 Supervisory Terminal Commands D-17
DEF ALARM MASK
Purpose
Display and modify the alarm masks (masked alarms are not reported).
The alarm masks permit to disable the generation of alarms by unused ports and to
stop the generation of alarms during maintenance.
Syntax
DEF ALM MASK
Use
1. To display the alarm mask data form, type:
DEF ALM MASK<Enter>
2. You will see the first line, used to select the group of alarms to be processed. A
typical display is shown below:
GROUP ALL
SYSTEM USER
The functions of the fields are as follows:
GROUP Selects the group of alarms to be processed:
SYSTEM System alarms.
ML Main link alarms.
SL Sublink alarms (only for FCD-E1 with sublink).
CH1 Channel 1 alarms.
CH2 Channel 2 alarms (only for FCD-E1 with Ethernet interface).
ALL Enables the masking of all alarms:
MASK All the alarms of a specific group are masked.
USER You can define the individual alarms to be masked.
NORMAL None of the alarms in the specific group is masked.
3. Move the cursor to the desired field using the spacebar, and then change using
the F or B keys.
 If you select MASK or NORMAL for ALL, press <Enter> to end.
 If you select USER, select the desired group of alarms, and then press
<Enter> to display the group of alarms to be processed. A typical display is
shown below:
ALARM NUMBER & DESCRIPTION MASKED
01 REAL TIME CLOCK BATTERY FAILURE NO