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Product Description
CHAPTER 1
The 411UD is a four input/channel, dual line, digital communicator which can be used as a slave communicator with
UL listed fire and nonfire control panels. The four inputs are compatible with normally open relay contacts, require
End-Of-Line (EOL) resistors, are supervised and are fully programmable. The 411UD interfaces with the public
switched telephone network and is compatible with most central station receivers. A total of fifteen popular commu-
nications formats are supported, including Ademco Contact ID. The communicator also contains a unique DACT
option that eliminates 'dialer runaway'. It restricts the transmission of any trouble event to 10 attempts in a 24 hour
period. Power supplied must be 12 or 24 volts, filtered and nonresettable. Accessories include the Fire-Watch 411
Series DACT Programmer (Model PRO-411) as well as the PK-411 Windows
software. The 411UD comes in a small 6.841" (17.376 cm) X 4.595" (11.671 cm) X 1.00" (2.54 cm) metal enclosure,
providing a variety of mounting options.
1.1
Product Features
• Four input channels
• Dual telephone lines
Dual telephone line voltage detect
Alternating phone lines for 24 hour
test messages
• Program locations for entering up to 20-digit
central station and service terminal
telephone numbers
• Surface mount technology
• Compact in size
• Separate external keypad and display
provides means of programming digi-
tal communicator in program mode
provides means of testing phone circuits in troubleshoot mode
• 6.841" (17/376 cm) X 4.595" (11.671 cm) X 1.0" (2.54 cm) metal enclosure facilitates internal and external
control panel mounting
• Communicates vital status of monitored control panel:
fire alarm
host control panel trouble
fire supervisory
AC (mains) power loss (programmable)
other
• Communicates vital status of 411UD digital communicator:
digital communicator troubles
telephone Line 1 and 2 voltage fault
Primary Central Station number communication fault
Secondary Central Station number communication fault
system off-normal (local Program Mode entered)
24 Hour normal test
24 Hour abnormal test (24 hour test message with previously reported alarm or trouble still active)
8
Product Description
411UD
®
95 based remote site programming
411UD Digital Communicator
FIGURE 1-1:
Document #50759 Rev. E 12/09/2008 P/N 50759:E
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