Fire-Lite MS-9050UDC Addressable Fire Alarm Control Panel - Manual (Page 17)

MS-9050 Series Manual — P/N 52413:G 4/14/2014 17
Digital Alarm Communicator/Transmitter Product Description
Relays
One fixed and two fully programmable Form-C dry contact relays are provided. The fixed fail-safe
relay monitors system trouble and the two programmable relays are factory default programmed for
system alarm and system supervisory. Contacts are rated 2.0 amps @ 30 VDC (resistive) and 0.5
amps @ 30 VAC (resistive). The programmable relays can be programmed for the following oper-
ations:
• fire alarm
• silenceable alarm
• trouble
• supervisory
• supervisory auto-resettable
• DACT communication failure
• process monitor
• process monitor auto-resettable
• hazard alert
• medical alert
• AC loss
1.5 Digital Alarm Communicator/Transmitter
Two modular phone jacks allow easy connection to telephone lines. Modular jacks are labeled PH1
for Primary Phone Line and PH2 for Secondary Phone Line. Two telephone line active red LEDs
are provided as well as a green Kissoff LED. The integral digital communicator provides the fol-
lowing functions:
• Line Seizure: takes control of the phone lines disconnecting any premises phones
• Off/On Hook: performs on and off-hook status to the phone lines
• Dialing the Central Station(s) number: default is Touch-Tone ® , programmable to rotary
• For tone burst or touchtone type formats: discern proper Ack and Kissoff tone(s). The
frequency and time duration of the tone(s) varies with the transmission format. The control
panel will adjust accordingly.
• Communicate in the following formats:
 12 Tone Burst types: 20 pps
(3+1, 4+1, 4+2, 3+1 Exp., 4+1 Exp., 4+2 Exp.)
 3 Touchtone Types
4+1 Ademco Express
4+2 Ademco Express
Ademco Contact ID
1.6 Components
Main Circuit Board
The main circuit board contains the system’s CPU, power supply, other primary components and
wiring interface connectors. The 4XTMF option module plugs in and is mounted to the main cir-
cuit board. The circuit board is delivered mounted to a chassis in the MS-9050UD backbox (refer
to circuit board illustration on page 10).