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Document 50934 Rev B 5/15/00 PN 50934:B
7
1.0 Product Description
The Universal Digital Alarm Communicator/Transmitter (ADT-UDACT) may be used with a variety of ADT control
panels (refer to Appendices). The ADT-UDACT transmits system status to UL Listed Central Station Receivers via
the public switched telephone network. The ADT-UDACT, which is compact in size, mounts internally in some
panels or externally in a separate enclosure. EIA-485 annunciator communications bus and 24 volt (nominal)
connections are required.
1.1 Product Features
Primary
Phone Line
Secondary
Phone Line
Modular Cable
P/N MCBL-7
• Dual telephone lines
• Dual telephone line voltage detect
• Surface mount technology
• Compact in size: 6.75" x 4.25"
• Built-in programmer
• Built-in four character red 7-segment LED display
• Manual test report function
• Manual master transmission clear function
• Mounts in separate ADT-ABS-8RF or ADT-UBS-1 enclosure
• Communicates vital system status including:
ü Independent zone/point alarm
ü Independent zone/point trouble
ü Independent zone/point supervisory
ü AC (mains) power loss (programmable)
ü Low battery and earth fault
ü System off normal
ü 12 or 24 hour test signal
ü Abnormal test signal per new UL requirements
ü Annunciation of ADT-UDACT troubles including: loss of
phone lines, communication failure with either Central Station,
total communication failure
• Troubleshoot mode converts keypad to DTMF touchpad
• Individual LEDs for:
ü Power
ü EIA-485 loss
ü Manual Test
ü Kissoff
ü Comm Fail
ü Primary Line Seize
ü Secondary Line Seize
• Open collector relay driver for Total Communication Failure or ADT-UDACT trouble.
• Real Time Clock
• Extensive transient protection
• Simple EIA-485 interface to host panel
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