3-2
Operation
Addresses
All modules and devices annunciated on
the MXL are identified by an address
(MMM-DDD). Each address is in two
parts: a module address (MMM) and a
device address (DDD). The number
identifying the module may be as high
as 253, and the number identifying the
device may be as high as 254. Always
enter all leading zeros for module and
In these displays,
ACK
appears if the
event has been acknowledged; other-
wise, the field is blank.
IN
is displayed
when a condition occurs;
OUT
is
displayed when a normal state is
restored.
[time/date]
shows the time
and date the event occurred.
Display Keys
The MXL has two display keys,
NEXT
and
HOLD,
located on the MKB.
Press
NEXT
to show the previous
item in a list of alarms, supervisories,
troubles, or security conditions. The
System will alternate between the three
displays shown on the previous page.
Press
HOLD
at any time to freeze the
present display. The display will remain
frozen until you release
HOLD.
System Control Keypads and LEDs
The System Control Keypad is de-
scribed in the table below:
When lit, the LEDs (light-emitting
diodes) indicate various conditions as
follows:
SYSTEM CONTROL LEDs
LED Indicates
ALARM Flashes when there is a least one
unacknowledged fire alarm; glows
steadily when all fire alarms are
acknowledged.
AUDIBLES
SILENCED
Flashes when at least one notification
appliance circuit (NAC) is active;
glows steadily when all silenceable
NACs are silenced.
SUPERVISORY Flashes when there is at least one
unacknowledged supervisory; glows
steadily when all supervisories are
acknowledged.
TROUBLEFlashes when there is at least one
unacknowledged trouble; glows
steadily when all troubles are
acknowleged.
SECURITY Flashes when there is at least one
unacknowledged security condition;
glows steadily when all security
conditions are acknowledged.
POWER Indicates the power is on.
Steady glow = AC power.
Flashing On = battery backup.
PARTIAL
SYSTEM
DISABLE
At least one device is disabled.
SYSTEM CONTROL KEYPAD
Key
Purpose
ALARM ACK
To acknowledge a fire alarm
AUD SIL
To silence or unsilence a notification appliance circuit
SUPV ACK
To acknowledge a supervisory
TRBL ACK
To acknowledge a trouble
SEC ACK
To acknowledge a security condition
RESET
To reset the System
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Содержание Cerberus PYROTRONICS MXL
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Страница 241: ...4 74 PS 5A Connections and Ratings Technical Manuals Online http www tech man com firealarmresources com ...
Страница 245: ...4 78 PS 5N7 Connections and Ratings Technical Manuals Online http www tech man com firealarmresources com ...
Страница 255: ...4 88 RCC 1 1F Connections and Ratings Technical Manuals Online http www tech man com firealarmresources com ...
Страница 281: ...4 114 XLD 1 Connections and Ratings Technical Manuals Online http www tech man com firealarmresources com ...
Страница 301: ...4 134 ZC2 8B Connections and Ratings Technical Manuals Online http www tech man com firealarmresources com ...
Страница 309: ...A 2 Appendix A Technical Manuals Online http www tech man com firealarmresources com ...
Страница 311: ...B 2 Appendix B Technical Manuals Online http www tech man com firealarmresources com ...
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