2
MLR2-DG
MULTI-LINE DIGITAL RECEIVER
MULTI-LINE DIGITAL RECEIVER
ADVANCED DESIGN
Each line on the DRL2A module is equipped with non-volatile memory which stores the last
256 alarms received, along with the 256 telephone numbers corresponding to each alarm
(with the Caller ID option selected). Caller ID (Call Display) capability is built-in and the
telephone numbers of reporting digital communicators can be displayed, printed out and
stored in memory; the Caller ID memory can be printed out at any time. A hand-set output
for each telephone line for two-way audio is standard. The CPM2 also has a memory buffer
that keeps a log of the last 128 events which can be examined on the LCD Display or
printed. In case of a printer or computer fault, or if the module must be taken off-line for
maintenance, the CPM2 retains the last 128 events and automatically sends the stored
events to the optional computer and/or printer when the module is put back on-line.
The MLR2-DG uses a powerful 16-bit microcontroller for the CPM2, and individual 8-bit
microcontrollers for each Line Card. It is powered by a 16VAC 110 50/60 Hz external step-
down transformer. The unit is equipped with 12V rechargeable stand-by battery connections
and an automatic battery charger for back-up should the AC power fail. Low current consumption
allows more than 24 hours of operation.
SUPERVISION FOR SUPERIOR RELIABILITY
The stand-by battery voltage and battery connections are supervised; there is also continuous
supervision of the Line Cards to ensure that they are responding properly to the CPM2. Any
trouble conditions are reported to the printer and computer.
The DRL2A Line Cards module also ensures that all information is properly received by the
CPM2. In case of malfunction, the operator will be advised with the unit’s built-in sounder,
and the Line Cards will continue to function with their individual LCD displays and Acknowledge
buttons. The operator can also examine the 256 event memory buffer on each Line Card
directly.
The printer is supervised for power loss, off-line condition, paper out or other trouble
conditions. The communication link to the computer via the RS232 COM1 port can be
supervised by “heartbeat” test transmissions. Most central station automation software
packages are supported:
• SIMS • ALARM SOFT
• SIS • MENTOR (UK)
• MAS • DICE
• APROPOS • SMS
• ALARM COMMPRO • IT
• MICROKEY • ASPI
• GENESIS • IBS
• ABM
The CPM2 has 3 programmable outputs (switched negative), with one of the outputs being
annunciated on the unit’s faceplate with an LED. Other outputs are provided for the Acknowledge
and Trouble LEDs. An IBM-compatible keyboard interface is provided on the back of the
unit for use with future software versions.
(52 paginas)
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