35
•
If there is a mismatch in the total number of annunciators the panel will generate
communications trouble.
•
The panel trouble is non-latching: when the correct number of annunciators is detected
the troubles will clear.
5.8.2
RAX-LCD-LITE Shared Display Annunciator
•
The RAX-LCD-LITE is equipped with a large 4 line x 20 character backlit alphanumeric
LCD display which uses a simple menu system complete with a directional key pad and
switches for Enter, Menu, Cancel and Info.
•
Contains a local alert buzzer.
•
Under normal operation the alert buzzer is controlled by the system and operates in an
identical manner as the one in the main panel.
•
If communication fails the buzzer is processed locally.
5.8.3
RAM-3318-LCD Shared Display Annunciator
•
The RAM-3318-LCD operates identically to the main LCD FACP display.
•
Contains a local alert buzzer.
•
Under normal operation the alert buzzer is controlled by the system and operates in an
identical manner as the one in the main panel.
•
If communication fails the buzzer is processed locally.
5.8.4
Conventional Annunciators
The MR-400 System is designed to interface with the RA-1000 series of conventional LED
annunciators. The LEDs may be configured to zone status indicators. Each conventional
annunciator contains a local alert buzzer. Under normal operation the alert buzzer is controlled
by the system and operates in an identical manner as the one in the main panel. If
communication fails it is processed locally.
5.8.5
SRM-312 Smart Relay Module
•
Connects on the RS-485 loop along with other remote annunciators.
•
Provides 12 relay contact outputs which actuate according to the first 12 remote LED
groups.
•
Relays are bypassed by Auxiliary Bypass
•
Supervised as one of the (maximum) seven permitted annunciators.
5.9
Dialer Operation
The MR-400 is equipped with a built-in dialer. The dialer provides a means to communicate
panel status to the remote central monitoring station using two dedicated phone lines. The two
standard protocols for communicating with the central monitoring station are supported by this
panel are as follows.
•
SIA Format Protocol
•
SIA Contact ID
