GE MDS SD Series Reference Manual page 97

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Alarm Signal Mask
(Hex)
Set Signal by Class
Set/Clear Events in
Alarm Signal Mask
MDS 05-4846A01, Rev. C
This selection allows you to enter an alarm signal code in hexadecimal
format that is used by external equipment to process alarm signals. The
alarm output signal mask is a 128 bit mask with the most significant bit
representing Alarm #0. Setting a bit in the mask to
responding alarm to activate the Alarm Output Signal. The alarm output
signal can be configured to be activated on any combination of Status,
Minor, or Major alarms.
The Alarm Mask is set by entering one or more hex characters. Punctu-
ation and spaces will be ignored and the mask will be
right. For example, to set the mask to
enter
or
ffff ffff
ffff:ffff:0000:0000
Only defined alarms of alarm class Major, Minor, or Status may be set.
Informational Events cannot be set in the mask.
To enter an Alarm Signal Mask, proceed as follows:
1. Select
Alarm Signal Mask (Hex)
clears and a flashing cursor appears.
2. Enter a hexadecimal string that defines the alarm mask you wish to
use. Press the
ENTER
The user menu system provides a shortcut for setting the mask by alarm
class. Here, you to specify what types of alarms result in an alarm signal
being produced. The choices are:
Never assert Alarm Signal
Assert signal on Major Alarm
Assert Signal on Major or Minor Alarm
Assert Signal on Any Alarm or Status
To set this parameter, proceed as follows:
1. Select
Set Signal by Class
the field to the right of the item.
2. Press the spacebar to scroll through the available selections. Press
the
key to apply the setting.
ENTER
This menu item provides a way to set or clear each alarm one at a time.
Each alarm is presented in sequence for your review and action. Alarms
are presented in the order of alarm class with major alarms listed first,
followed by minor alarms, and then status messages.
To set or clear alarms, proceed as follows:
1. Select
Set/Clear Events in Alarm Signal Mask
SD Series Ref. Manual (Packet & Transparent Mode)
ffffffff000000000000000000000000
.
from the menu. The field to the right
key to apply.
from the menu. A flashing cursor appears in
from the menu.
will cause the cor-
1
padded to the
0
,
89

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