This digital communicator has been designed to comply with standards set forth by the following
regulatory agencies:
• Underwriters Laboratories Standard UL 864
• NFPA Standards 72-1993 Local, Remote Station and Central Station Fire Alarm Systems
• CAN/ULC - S527-M87 Standard for Control Units for Fire Alarm Systems
Before proceeding, the installer should be familiar with the following documents.
NFPA Standards, NFPA 72-1993 National Fire Alarm Code:
• Central Station Fire Alarm Systems (Automatic, Manual and Waterflow) Protected Premises Unit.
• Local (Automatic, Manual, Waterflow and Sprinkler Supervisory) Fire Alarm Systems.
• Proprietary Fire Alarm Systems (Protected Premises Unit).
• Automatic Fire Detectors
• Installation, Maintenance, and Use of Notification Appliances for Fire Alarm Systems
• Inspection, Testing and Maintenance for Fire Alarm Systems
Underwriters Laboratories Documents:
UL 38 Manually Actuated Signaling Boxes
UL 217 Smoke Detectors, Single and Multiple Station
UL 228 Door Closers—Holders for Fire Protective Signaling Systems
UL 268 Smoke Detectors for Fire Protective Signaling Systems
UL 268A Smoke Detectors for Duct Applications
UL 346 Waterflow Indicators for Fire Protective Signaling Systems
UL 464 Audible Signaling Appliances
UL 521 Heat Detectors for Fire Protective Signaling Systems
UL 864 Standard for Control Units for Fire Protective Signaling Systems
UL 1481 Power Supplies for Fire Protective Signaling Systems
UL 1638 Visual Signaling Appliances
CAN/ULC - S524-M91 Standard for Installation of Fire Alarm Systems
Other:
NEC Article 300 Wiring Methods
NEC Article 760 Fire Protective Signaling Systems
Applicable Local and State Building Codes
Requirements of the Local Authority Having Jurisdiction
Document # 50075 Rev B 3/13/95
5
1.0 Product Description
The UNI•COM Universal Digital Alarm Communicator/Transmitter may be used with compatible (refer to
Appendices) ADT fire alarm control panels (FACPs). The UNI•COM transmits system status to the UCS (Universal
Communication System) via the public switched telephone network. The UNI•COM is compact in size and may be
mounted inside selected host control panels or mounted externally in a separate ADT-ABS8RF or ADT-UBS1F
enclosure. EIA-485 annunciator communications bus and 24 volt (nominal) connections are required.
1.1Product Features
• 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
• Optional Zone/Point disable
• Mounts either inside selected control panels or in
separate ADT-ABS8RF or ADT-UBS1F enclosure
• Optional Dead Front Cover (ADT-DPUBS1F)
• Communicates vital system status including:
ü Independent zone/point alarm
ü Independent zone/point trouble
ü Independent zone/point supervisory
ü Serviceman on premises
ü Optional Walktest data transmission (Unimode 200 only)
ü AC (mains) power loss (programmable)
ü Low battery
ü System off normal
ü 12 or 24 hour test signal
ü Abnormal test signal per new UL requirements
ü Annunciation of UNI•COM 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
ü Modem
• Open collector relay driver for Total Communication Failure or
UNI•COM trouble.
• Real Time Clock
• Extensive transient protection
• Simple EIA-485 interface to host panel
ADT-UBS1F
Optional ADT-DPUBS1F
6
Document # 50075 Rev B 3/13/95
24 VDC Power in
(use power-limited
source)
EIA-485 Connector
(use power-limited
source)
Connector
on back of
board
Primary
Phone Line
Secondary
Phone Line
Modular Cables
P/N MCBL-7
(Order Separately)
Make No Connection
Comm Fail Output
(power-limited)
24 VDC
(power-limited)
Figure 1-1: UNI•COM Assembly
Document # 50075 Rev B 3/13/95
7
1.2 Controls and
Indicators
Front Panel Switches
CLEARDigits 0-9
TESTA
MODEB
Up ArrowC
Down ArrowD
1st EVENTE
ENTER/STOREF
Displays
• EIA-485 - yellow LED
• COMM. FAIL - yellow LED
• KISS OFF - green LED
• POWER - green LED
• Four, Seven Segment Displays red
• Primary Phone Line Active - red
LED
• Secondary Phone Line Active - red
LED
• TEST - green LED
• MODEM - green LED
Figure 1-2: Controls and Indicators
1.3 Compatible
Panels
1.4 Digital
Communicator
The UNI•COM has been designed to be compatible with a variety of ADT fire alarm
control panels (refer to Appendices).
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
'Primary and Secondary 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) number - default is Touch-Tone®, programmable
to rotary.
• Discern proper synchronization with UCS receiver.
• Transmit data to UCS receiver.
• Verify data has been accepted by the UCS receiver.
• Hang up and release phone lines.
• Communicate in the ADT FSK II format (refer to Section 5.0 for compatible
receivers):
8
Document # 50075 Rev B 3/13/95
1.5Circuits
The UNI•COM circuit board contains a CPU, other primary components and wiring
interface connectors.
1.5.1 Power Requirements
Operating voltage for the UNI•COM must be power-limited, filtered, nonresettable
21.2 to 28.2 volts. The 24 VDC nominal operating power must be supplied by the
Control Panel and is connected to TB1 of the UNI•COM.
Note: If the UNI•COM is installed in a Unimode 200 Control Panel, power is
provided directly through UNI•COM connector J10 which plugs into the Unimode
200 main circuit board.
1.5.2 Communications
Communications between the UNI•COM and the host control panel is accomplished
over a two wire EIA-485 serial interface which is power-limited and supervised by
the control panel and the UNI•COM. The wiring connections are made to the RS+,
RS- and Shield terminals of TB1 on the UNI•COM.
The EIA-485 circuit cannot be T-Tapped and must be wired in a continuous fashion
from the control panel to the UNI•COM and, if installed, an annunciator. The wire
must be 12AWG to 18AWG twisted shielded pair cable with a Characteristic
Impedance of 120 Ohms, +/-20%. Limit the total wire resistance to 100 Ohms on the
EIA-485 circuit. Do not run cable adjacent to, or in the same conduit as 120 volts
AC service, noisy electrical circuits that are powering mechanical bells or horns,
audio circuits above 25 volts
, motor control circuits, or SCR power circuits.
RMS
Note: If the UNI•COM is installed in a Unimode 200 Control Panel, the EIA-485
data line is connected directly through UNI•COM connector J10 which plugs into
the Unimode 200 main circuit board.
1.6 Optional Device
1.5.3 Primary and Secondary Phone Lines - Modular jacks are used to interface
the primary and secondary phone lines to the public telephone network.
1.5.4 Communicator Fail Relay Driver - Relay driver output for central station
communication failure is available.
1.5.5 Earth Ground - Connect a separate earth ground wire to TB3 terminal 1 for
transient protection. When mounted in the Unimode 200, the UNI•COM receives an
earth ground connection via a metal standoff located on the upper right corner
mounting position.
Future use.
Document # 50075 Rev B 3/13/95
9
1.7 Specifications
DC Power - TB1, Terminals 1 & 2
24 VDC (nominal) filtered, non-resettable and power-limited. Voltage range is 21.2
to 28.2 volts. DC Power TB1 Terminals 1 (+), 2 (-) 40 mA in standby, 75 mA max.
while communicating (for installation in the Unimode 200 enclosure use connector
J10) and 100 mA with the open collector output engaged and communicating.
Data Communications - TB1, Terminals 3 - 7
EIA-485 serial interface, TB1 Terminal 3 = RS+, 4 = RS-, 5= Shield, 6 = Future use,
7 = Future use. Power-limited source must be used. (For installation in the Unimode
200 use connector J10).
Auxiliary Output - TB3, Terminals 2 & 3
TB3-2 = Communicator Failure. Power-limited circuit. An Open Collector type
output, normally high, active low which sinks up to 40 mA. TB3-3 = 21.2 to 28.2
volts, power-limited. Use UL listed relay P/N: MR-101/C or MR-201/C with this
output.
Earth Ground - TB3, Terminal 1
TB3-1 = Earth Ground connection. Connect this terminal to building earth ground
using solid 12 AWG wire to provide lightning protection. This connection is not
required when the UNI•COM is mounted in a Unimode 200 since the metal standoff
used in mounting provides an earth ground connection.
1.8 Telephone
Requirements
and Warnings
1.8.1Telephone Circuitry - PH1 & PH2
Ringer Equivalence Number (REN) = 0.6B
AC Impedance 10.0 Mega Ohm
Complies with FCC Part 68
Mates with RJ31X Male Connector
Supervision Threshold: less than 4.0 volts for 2 minutes
The REN is used to determine the quantity of devices which may be connected to the
telephone line. Excessive REN's on the telephone line may result in the devices not
ringing in response to an incoming call. In most, but not all areas, the sum of the
REN's should not exceed five (5.0). To be certain of the number of devices that may
be connected to the line, as determined by the total REN's, contact the telephone
company to determine the maximum REN for the calling area.
1.8.2Digital Communicator:
Before connecting the UNI•COM to the public switched telephone network, the
installation of two RJ31X jacks is necessary. The following information is provided
if required by the local telephone company :
The telephone company under certain circumstances may temporarily discontinue
services and/or make changes in its facilities, services, equipment or procedures
which may affect the operation of this control panel. However, the telephone
company is required to give advance notice of such changes or interruptions.
Document # 50075 Rev B 3/13/95
If the control panel causes harm to the telephone network, the telephone company
reserves the right to temporarily discontinue service. Advance notification will be
provided except in cases when advance notice is not practical. In such cases,
notification will be provided as soon as possible. The opportunity will be given to
correct any problems and to file a complaint.
DO NOT CONNECT THIS PRODUCT TO COIN TELEPHONE, GROUND START,
OR PARTY LINE SERVICES.
When the control panel activates, premise phones will be disconnected.
Two separate phone lines are required. Do not connect both telephone interfaces to
the same telephone line.
The control panel must be connected to the public switched telephone network
upstream of any private telephone system at the protected premises.
An FCC compliant telephone cord must be used with this equipment. This equipment
is designed to be connected to the telephone network or premises wiring using a
compatible RJ31X male modular plug which is Part 68 compliant.
1.8.4For Canadian Applications
The following is excerpted from CP-01 Issue 5:
"NOTICE: The Canadian Department of Communications label identifies certified
equipment. This certification means that the equipment meets certain
telecommunications network protective, operational and safety requirements. The
Department does not guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The
equipment must also be installed using an acceptable method of connection. In
some cases, the company's inside wiring associated with a single line individual
service may be extended by means of a certified connector assembly (telephone
extension cord). The customer should be aware that compliance with the above
conditions may not prevent degradation of service in some situations.
Repairs to certified equipment should be made by an authorized Canadian
maintenance facility designated by the supplier. Any repairs or alterations made by
the user to this equipment, or equipment malfunctions, may give the
telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections
of the power utility, telephone lines and internal metallic water pipe system, if
present, are connected together. This precaution may be particularly important in
rural areas.
Caution: Users should not attempt to make such connections themselves, but should
contact the appropriate electric inspection authority, or electrician, as appropriate."
"The Load Number (LN) assigned to each terminal device denotes the percentage of
the total load to be connected to a telephone loop which is used by the device, to
prevent overloading. The termination on a loop may consist of any combination of
devices subject only to the requirement that the total of the Load Numbers of all the
devices does not exceed 100."
Document # 50075 Rev B 3/13/95
11
Industry Canada (IC) Compliance - "This digital apparatus does not exceed the Class
A limits for radio noise emissions from digital apparatus set out in the Radio
Interference Regulations of the Canadian Department of Communications."
IC Registration Number: 2132 6030 A
Load Number: 3
1.9 Modes and
Special
Functions
1.9.1 Normal Mode:
Normal mode is the standard mode of operation in which the UNI•COM monitors
host FACP status as well as telephone line voltage. The UNI•COM reports system
status information to UL listed Central Station Receivers. Information transmitted
includes zone/point: fire alarm, fire alarm trouble and supervisory alarm. Specific
system trouble conditions and specific UNI•COM troubles are also transmitted.
1.9.2 Serviceman Code:
The serviceman code, once entered, allows access to program, walktest, troubleshoot
and type modes. The serviceman code also enables the clear function. Refer to
following sections.
1.9.3 Program Mode:
Program mode is used to program the UNI•COM. While the UNI•COM is in the
program mode, it cannot receive host FACP status information. See Section 3.0 for
complete programming instructions.
1.9.4 Walktest Mode:
While in the walktest mode, transmission of FACP system events may be optionally
transmitted to the UCS receiver (Central Station).
1.9.5 Troubleshoot Mode:
Troubleshoot mode may be used for testing the telephone line wiring. Connection
from the UNI•COM's modular jacks, through RJ31X jacks and into the telephone
network may be easily checked. In this mode, the keypad acts similar to a telephone
touchpad.
12
1.9.6 Type Mode:
Type mode is used to program into the UNI•COM the system zones/points which are
non-fire alarm, i.e. supervisory type. This mode is also used to disable the alarm
report for any zone/point in the system. The feature which disables the zone/point
alarm report must be used for zones/points programmed into the host FACP as
remote silence, reset, drill or acknowledge switches.
1.9.7 Clear Function:
When the clear function is activated, it causes the UNI•COM to immediately stop
transmissions, disconnect from the telephone network, clear out any messages that
were waiting for transmission and reset.
1.9.8 Manual Test Function:
The manual test function allows a test report message to be sent to both central
stations upon activation. A Serviceman Code is not required.
1.9.9 Lamp Test Mode:
The UNI•COM 4-character display segments plus all LEDs illuminate in this mode.
1.9.10 User Code:
The user code, once entered, allows for user level testing and maintenance functions.
The user may be allowed to transmit walktest data to the UCS for the Unimode 200
system.
Document # 50075 Rev B 3/13/95
2.0 Installation and Wiring
2.1 General
For information on installing the UNI•COM in a specific ADT fire alarm control
panel, refer to the appropriate Appendix.
2.2 Output Circuits
Telephone Circuits
Provision to connect to two independent telephone lines is available via two
telephone jacks labeled PH1 (Primary) and PH2 (Secondary). Telephone line control/
command is possible via double line seizure as well as usage of an RJ31X style
interconnection. (RJ31X jacks must be ordered separately).
Note: It is critical that the UNI•COM be located as the first device on the incoming
telephone circuit to properly function.
(Secondary Lines)
Incoming Telco
Phone Lines
Ring
To premise phones
Tip
Secondary
Phone Line
PH-2
Green Wire
Tip
Red Wire
Ring
Primary
Phone Line
PH-1
(Primary Lines)
Incoming Telco
Phone Lines
Ring
To premise phones
Tip
Note: Shorting bars
inside RJ31X Jack
removed during male
plug insertion
7 foot
Cable
(MCBL-7)
Order Separately
Tip
Ring
Green Wire
Red Wire
Modular Female
Connectors
Figure 2-1: Wiring Phone Jacks
Document # 50075 Rev B 3/13/95
Male Plug
Connectors
Make No
Connection
13
Relay Driver
The UNI•COM's open collector output on TB3, terminal 2 is provided for Communicator Failure and UNI•COM trouble. It can be used to drive UL listed relay MR-101/
C or MR-201/C. The output is rated for 40 mA and is power-limited. The normal
condition for the output is Off (deenergized).
Communicator Failure occurs when the maximum number of attempts to reach both
central stations has taken place or when both phone lines are disconnected.
UNI•COM trouble conditions include loss of telephone line voltage to the primary or
secondary phone lines, communication failure to the primary or secondary central
stations or entry into Programming, Troubleshoot or Type Mode..
Wiring from the UNI•COM terminal TB3 to the relay must be in the same room no
more than 20 feet in length and enclosed in conduit. Wiring from the relay output
contacts must also remain in the same room as the UNI•COM.
When the UNI•COM is programmed as 'Receive Only' (typically this occurs when
annunciators are also used and are set for 'Receive/Transmit'), the relay output is
used to provide a UNI•COM trouble input to the host control panel. For Unimode
200 applications, use a monitor module to supervise the relay closure. Refer to
Figure 2-3. Program the adjective and noun fields for 'DACT Trouble'. For
Unimode II or Unimode 4-16 applications, wire the relay output to the annunciator
trouble input circuit or use the relay to trigger zone trouble.
When the UNI•COM is programmed as 'Receive/Transmit', EIA-485 supervision and
UNI•COM trouble status are automatically handled by the host control panel.
TB3
Earth Gnd
Comm Fail
+24 VDC
All wiring to relay must
be in same room within
20 feet of UNI•COM and
in conduit.
TB3
Earth Gnd
Comm Fail
+24 VDC
Relay Energized LED
MR-201/C *
Relay Energized LED
DPDT Contacts
10 Amps
@ 115 VAC
Connections must be
in same room as
UNI•COM
SPDT Contacts
10 Amps
@ 115 VAC
14
MR-101/C *
* Note: The MR-101/C and MR-201/C include an enclosure.
Figure 2-2: Relay Driver Connections
Document # 50075 Rev B 3/13/95
SLC Loop to Fire Alarm
Control Panel
M-300 Series Monitor Module
Wiring in
same room
as UNI•COM
Earth Grnd
Comm Fail
+24 VDC
DACT
Note: 1) M-300 Series Monitor Module is used to supervise Normally Closed output of M-101/C. On
TB3
All wiring to relay must
be in same room within
20 feet of UNI•COM and
in conduit.
EOL
3.9K
Resistor
(supplied)
MR-101/C
(MR-201/C may also be used)
DACT trouble and Comm Fail, MR-101/C relay contact will open causing M-300 to transmit
trouble condition to FACP.
Figure 2-3: Monitoring for UNI•COM Trouble
Document # 50075 Rev B 3/13/95
15
2.3 UL Power limited Wiring
Requirements
Power-limited and nonpower-limited circuit wiring must remain separated in the
cabinet. All power-limited circuit wiring must remain at least 0.25" away from any
nonpower-limited circuit wiring. Furthermore, all power-limited circuit wiring and
nonpower-limited circuit wiring must enter and exit the cabinet through different
knockouts and/or conduits. A typical wiring diagram for the UNI•COM is shown
below.
Use power-limited source
Power-limited circuits
16
Figure 2-4: Typical Wiring Diagram for UL Power-limited Requirements
Document # 50075 Rev B 3/13/95
3.0 Programming Instructions
Programming Mode
3.1 Entering
Program Mode
Programming of the UNI•COM is possible at any time including while the UNI•COM
is communicating with a central station.
The UNI•COM has a built-in programmer. All programming selections are stored in
nonvolatile Electrically-Erasable Programmable Read-Only Memory (EEPROM).
This ensures that the UNI•COM will retain all entries made in programming mode
even if power is removed.
The user must program the primary and secondary phone numbers, account numbers
and 24 hour test report times for each central station account and the current time.
The UNI•COM comes with factory chosen options/features already programmed.
Other options/features may be programmed if desired. If all factory default settings
are acceptable, programming is complete.
Note: Access to the Programming Mode is not available to the end user. It may only
be accessed by the serviceman.
To enter the Program Mode, first press the MODE key followed by the 4-digit
serviceman code (factory default is 6, 3, 2, 1) then press the ENTER key. Next, to
enter the Program Mode, press the MODE key once (the display will go blank) then
start entering the code (7764). You have ten seconds to start entering the code.
☛ 7764 spells PROG on a Touch-Tone® phone
If an incorrect key is entered, reenter the proper 4-digit code before pressing the
[ENTER/STORE] key
___7
__77
_776
7764
You are allowed a pause of up to 10 seconds in between each number while entering
the code. After pressing the [ENTER/STORE] key, the UNI•COM will be in
Program Mode and display 00_F. You are allowed up to ten minutes of idle time at
this point before starting your programming, otherwise the UNI•COM will go back
to Normal Mode. You also have a maximum of 10 minutes between any key stroke.
All entries made prior to the 10 minute time-out are valid and stored.
Once in Programming Mode, the UNI•COM will:
•Ignore the Test and Clear keys.
•Continue to communicate any events not previously acknowledged at the
central station prior to entering Programming Mode.
Location 54 is factory set to = 0, UNI•COM communications disabled. This keeps the
communicator off until location 54 is changed to 1, 2, 3 or 4. Refer to program
selection for address 54 in this section. Once location 54 is changed from 0 to 1, 2,
3 or 4 and a valid phone number is entered, transmission of the Serviceman on
Premises report will occur.
Note that as you enter information into the
UNI•COM, the digits will scroll across the
display from right to left
Document # 50075 Rev B 3/13/95
17
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