Digital Communicator; Components; 1: Main Circuit Board; 2: Cabinet - Fire-Lite Alarms MS-5024UD Manual

Digital Communicator

Notification Appliance Circuits
Two Notification Appliance Circuits configurable for Style Y (Class B) or Style Z (Class A) with various program-
mable features.
Relays
Two dry Form-C relay contacts for system alarm and system trouble are provided. Contacts are rated 2 amps @ 30
VDC and 0.5 amps @ 30 VAC resistive.
Relay Drivers
Two relay driver outputs for supervisory and communication failure are available.
1.4 Digital Communicator
Two modular phone jacks allow easy connection to telephone lines. Modular jacks are labeled PH1 and PH2 for the
Primary and Secondary phone lines. Telephone line active red LEDs are provided as well as a green 'kissoff' LED.
The integral digital communicator provides the following functions:
• Line Seizure - takes control of the phone lines disconnecting any premises phones
• Off/On Hook - perform on and off-hook status to the phone lines
• Listen for dial tone - 440 hertz tone typical in most networks
• Dialing the Central Station(s) phone number - default is Touch-Tone
• 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, 3+1 Expanded, 4+1 Expanded and 4+2 Expanded)
✓
3 Touchtone Types:
4+1 Ademco Express
4+2 Ademco Express
Ademco Contact ID
(see Table 4-3 for a list of compatible receivers)
1.5

Components

1.5.1 Main Circuit Board
The main circuit board contains the system's CPU, power supply, other primary components and wiring interface
connectors. Optional modules plug in and are mounted to the main circuit board. The main circuit board is delivered
premounted in the cabinet.
1.5.2 Cabinet
The cabinet is red with an attractive navy blue front overlay. The backbox measures 15" (38.1 cm) x 14.5" (36.83
cm) x 2.75" (6.985 cm) and provides space for two batteries (up to 7 Amp Hours). Also available is an optional dress
panel (DP-5024UD), which mounts inside the cabinet.
14
®
, programmable to rotary
Document #15140 Rev.G 01/02/02 P/N 15140:G