EST3
Installation and Service
Manual
P/N 270380 • Rev 8.0 • 18SEP08
DEVELOPED BY
GE Security, Inc.
8985 Town Center Parkway
Bradenton, FL 34202
(941) 739-4300
COPYRIGHT NOTICE
TRADEMARKS
© 2008 GE Security, Inc.
This manual is copyrighted by GE Security, Inc. (GE Security).
You may not reproduce, translate, transcribe, or transmit any
part of this manual without express, written permission from GE
Security.
This manual contains proprietary information intended for
distribution to authorized persons or companies for the sole
purpose of conducting business with GE Security. Unauthorized
distribution of the information contained in this manual may
violate the terms of the distribution agreement.
Microsoft, Microsoft Mouse, Microsoft Windows, Microsoft Word,
and Microsoft Access are either registered trademarks or
trademarks of Microsoft Corporation.
Content
Important information • v
UL 864 9th edition requirements • vii
About this manual • x
The EST3 library • xii
Related documentation • xiii
Chapter 1 System overview • 1.1
System description • 1.2
Audio subsystem description • 1.6
Digital network subsystem • 1.16
Foreign language support • 1.22
Signature series devices • 1.26
Network applications • 1.29
Audio applications • 1.33
Firefighter phone system • 1.42
Chapter 2 Security applications • 2.1
Security equipment • 2.2
Certificate installations • 2.8
Multiple 3-MODCOM modules • 2.13
Multiple site security and access • 2.14
Multiple tenant security • 2.17
Secure access • 2.21
Chapter 3 Access control applications • 3.1
Access control equipment • 3.2
Anti-passback • 3.11
Central monitoring station • 3.14
Common door access • 3.16
Delayed egress • 3.18
Elevator control • 3.21
Emergency exit door • 3.24
Handicap access door • 3.26
Maglock peripherals • 3.28
Multiple card readers • 3.30
Muster • 3.32
Power for continuous locks • 3.35
Power for intermittent locks • 3.37
Power from an AC source • 3.39
Power from a remote source • 3.42
Remote controls • 3.45
Two-person rule • 3.47
Chapter 4 Centralized audio applications • 4.1
Equipment required • 4.2
ATPC Amplifier Terminal Panel Cabinet • 4.3
ATP Amplifier Terminal Panel • 4.6
Audio amplifiers • 4.8
URSM Universal Riser Supervisory Module • 4.10
EST3 Installation and Service Manual i
ATP external battery charger • 4.20
Amplifier backup • 4.22
Branch speaker wiring • 4.25
Troubleshooting • 4.27
Chapter 5 Installation • 5.1
Installation overview • 5.3
UL 864 NAC signal synchronization • 5.6
Creating an initial startup version of the project database • 5.16
System installation sequence • 5.18
Preliminary field wiring testing • 5.19
Chassis installation in EIA 19-inch racks • 5.22
ATCK Attack Kit for cabinets • 5.23
Local rail module installation • 5.24
3-MODCOM Modem Communicator module • 5.26
3-SAC Security Access Control module • 5.40
3-AADC1 Addressable Analog Driver Controller and IRC-3 • 5.41
AC power and DC battery wiring • 5.42
Connecting auxiliary/booster power supplies • 5.44
Connecting the PT-1S impact printer • 5.46
Adjusting amplifier output levels • 5.49
Connecting a CDR-3 Zone Coder for coded tone output • 5.50
Connecting an external modem for use with the Remote
Diagnostics Utility • 5.53
Running the RPM and distributing profiles • 5.55
Chapter 6 Power-up and testing • 6.1
Cabinet power-up procedure • 6.3
Runtime and system errors • 6.4
Initial and reacceptance test procedures • 6.6
Control and emergency communications equipment testing • 6.7
Detector, input module, and output module testing • 6.18
Initiating device testing • 6.21
Notification appliance testing • 6.23
Record of completion • 6.24
Chapter 7 Preventive maintenance • 7.1
General • 7.2
Preventive maintenance schedule • 7.3
Signature device routine maintenance tips • 7.5
Signature detector cleaning procedure • 7.6
System trouble and maintenance log • 7.7
Chapter 8 Service and troubleshooting • 8.1
Overview • 8.3
Hardware problems • 8.5
Modules • 8.7
Audio components • 8.20
Pseudo point descriptions • 8.24
Signature data circuit (SDC) operation • 8.35
Basic Signature data circuit troubleshooting • 8.37
Signature controller modules • 8.47
Device troubleshooting • 8.49
Signature diagnostic tools • 8.51
ii EST3 Installation and Service Manual
DSDC status • 8.65
Addressable analog diagnostic tools • 8.70
3-AADC1 Addressable Analog Driver Controller • 8.74
Addressable analog device troubleshooting • 8.75
Wiring problems • 8.77
Appendix A System addresses • A.1
Address format • A.2
LRM addresses • A.4
Control / display module addresses • A.9
Device addresses • A.10
Appendix B System calculations • B.1
Network data riser limits • B.2
Signature data circuit wire length • B.5
Notification appliance circuit calculations • B.11
25 or 70 Vrms NAC wire length • B.17
Addressable analog circuit wire length • B.19
Cabinet battery • B.20
SAC bus power • B.21
CPU memory • B.26
Fiber optic cable worksheet • B.28
Appendix C Listing requirements • C.1
NFPA standards • C.2
Minimum requirements for UL security applications • C.3
UL and ULC requirements • C.10
Y Glossary • Y.1
Z Index • Z.1
EST3 Installation and Service Manual iii
iv EST3 Installation and Service Manual
Important information
Limitation of liability
This product has been designed to meet the requirements of
NFPA Standard 72; Underwriters Laboratories, Inc., Standard
864; and Underwriters Laboratories of Canada, Inc., Standard
ULC S527. Installation in accordance with this manual,
applicable codes, and the instructions of the Authority Having
Jurisdiction is mandatory. GE Security shall not under any
circumstances be liable for any incidental or consequential
damages arising from loss of property or other damages or losses
owing to the failure of GE Security products beyond the cost of
repair or replacement of any defective products. GE Security
reserves the right to make product improvements and change
product specifications at any time.
While every precaution has been taken during the preparation of
this manual to ensure the accuracy of its contents, GE Security
assumes no responsibility for errors or omissions.
FCC warning
This equipment can generate and radiate radio frequency energy.
If this equipment is not installed in accordance with this manual,
it may cause interference to radio communications. This
equipment has been tested and found to comply within the limits
for Class A computing devices pursuant to Subpart B of Part 15
of the FCC Rules. These rules are designed to provide
reasonable protection against such interference when this
equipment is operated in a commercial environment. Operation
of this equipment is likely to cause interference, in which case
the user at his own expense, will be required to take whatever
measures may be required to correct the interference.
Industry Canada information
Note: The Industry Canada label identifies certified equipment.
This certification means that the equipment meets certain
telecommunications network protective, operational, and safety
requirements. Industry Canada 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. The
customer should be aware that compliance with the above
conditions may not prevent degradation of service in some
situations.
EST3 Installation and Service Manual v
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 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
Note: The Load Number (LN) assigned to each terminal device
denotes the percentage of the total load to be connected to a
telephone loop that is used by the device, to prevent overloading.
The termination on a loop may consist of any combination of
devices subject only to the requirements that the sum of the Load
Numbers of all the devices does not exceed 100.
vi EST3 Installation and Service Manual
UL 864 9th edition requirements
NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER
INVOLVED PARTIES
This product incorporates field-programmable software. In order for the product to comply with
the requirements in the Standard for Control Units and Accessories for Fire Alarm Systems, UL
864, certain programming features or options must be limited to specific values or not used at all
as indicated below.
Programmable feature or
option
Permitted
in UL 864?
(Y/N)
Possible settings Settings permitted in
UL 864
Enable Supervision
(telephone line is supervised
for ground faults, a single
Y No
Yes
Yes
open line, or a wire-to-wire
fault)
DACT Settings - Line 2
Installed (single line or dual
line dialer)
Trouble Resound (panel
resound)
AC Power Delay Y Disabled
Y No
Yes
Y Disabled (0)
1 second to ~99 hours
Yes
Disabled [2]
0 to 24 hours
1 to 3 hours
1 minute to 45 hours
Event message routing Y All Cabinets
No Cabinets
User defined routes (1
to 15)
Event message display
filtering: Alarm, Supervisory,
and Trouble options
Y Enabled
Disabled
All Cabinets
No Cabinets [3]
User defined routes (1 to
15) [4]
Enabled
Disabled [5]
Delays (programmed in rules) Y 0 to 240 seconds 0 to 240 seconds [6]
CMS event reporting priority
(programmed in rules)
CMS activate and restore
messages (programmed in
rules)
4-state alarm IDC N N/A In Signature module
EST3 Installation and Service Manual vii
Y 1 to 255 1 to 255 [7]
Y Send on activation
Send on restoration
Activation and
restoration triggers must
match the message type
configuation, personality
code 18 is prohibited
[11]
Programmable feature or
option
Permitted
in UL 864?
Possible settings Settings permitted in
(Y/N)
Alarm zone group members Y Alarm device type
Pull device type
Heat device type
Verified smoke device
type
Water flow device type
AND group members Y Alarm device type
Pull device type
Heat device type
Verified smoke device
type
Water flow device type
Alarm zone device type
Fire zone device type
Matrix group device
type
UL 864
Alarm device type [8]
Pull device type
Heat device type
Verified smoke device
type
Water flow device type
Alarm device type [8]
Pull device type
Heat device type
Verified smoke device
type [9]
Water flow device type
Alarm zone device type
Fire zone device type
Matrix group device type
AND group device activation
Y 1 to 255 1 to 255 [10]
count
Matrix groups: Members Y Alarm device type
Pull device type
Fire device type
Call point device type
Heat device type
Verified smoke device
type
Water flow device type
Matrix groups: Device
Y 3 to 10 3 to 10 [10]
activation count
Alarm device type [8]
Pull device type
Fire device type [8]
Call point device type
Heat device type
Verified smoke device
type [9]
Water flow device type
viii EST3 Installation and Service Manual
Programmable feature or
option
Permitted
in UL 864?
Possible settings Settings permitted in
UL 864
(Y/N)
Notes
[1] Allowed only when the supervising station supervises the telephone line and annunciates
fault conditions within 200 seconds
[2] Allowed only on control panels that transmit trouble event signals off premises
[3] Allowed only with monitor device types and switches
[4] Allowed only if user route includes the control panel
[5] Allowed only on nonrequired remote annunciators
[6] Allowed only when setting does not prevent the activation or transmission of alarm or
supervisory signals within 10 seconds or trouble signals within 200 seconds
[7] When priorities are used, alarm events must have a higher priority than supervisory and
trouble events.
[8] Allowed in alarm zone groups, AND groups, and matrix groups that are used to initiate the
release of extinguishing agents or water except when the addressable smoke detector's
alarm verification is used.
[9] Allowed only in alarm zone groups, AND groups, and matrix groups that are not used to
initiate the release of extinguishing agents or water
[10] A minimum device activation count of 2 is required if the AND group or matrix group is used
to initiate the release of extinguishing agents or water
[11] Personality code 18 is typically used when a short condition must be distinguished from an
alarm condition. This type of IDC is prohibited by UL 864.
EST3 Installation and Service Manual ix
About this manual
This manual provides information on how to properly install,
wire, and maintain the EST3 integrated system and related
components. This manual applies to the following EST3 models:
• EST3
• EST3R
• EST3-230
• EST3R-230
Organization
Chapter 1: System overview: a descriptive overview of the
components and subsystems that comprise an EST3 system.
Chapter 2: Security applications: covers security applications.
This chapter contains block diagrams that show the components
required to create specific security systems.
Chapter 3: Access control applications: covers access control
applications. Like Chapter 2, this chapter contains block
diagrams and descriptions of specific access control systems.
Chapter 4: Centralized audio applications: describes the
equipment and configuration required to create centralized audio
for a site.
Chapter 5: Installation: installation information for system
components and applications that supplement the instructions
provided on individual component installation sheets.
Chapter 6: Power-up and testing: information and procedures
necessary to perform initial system power-up and acceptance
testing.
Chapter 7: Preventive maintenance: lists the required scheduled
maintenance items and procedures.
Chapter 8: Service and troubleshooting: a comprehensive set of
procedures and tables to aid certified technical personnel in
servicing and troubleshooting the system.
Appendices A, B, and C provide supplementary information
about system addressing, calculations, and compatibility.
x EST3 Installation and Service Manual
Safety information
Important safety admonishments are used throughout this
manual to warn of possible hazards to persons or equipment.
Caution: Cautions are used to indicate the presence of a hazard
which will or may cause damage to the equipment if safety
instructions are not followed or if the hazard is not avoided.
WARNING: Warnings are used to indicate the presence of a
hazard which will or may cause personal injury or death, or loss
of service if safety instructions are not followed or if the hazard
is not avoided.
EST3 Installation and Service Manual xi
The EST3 library
EST3 documents
A library of documents and multi-media presentations supports
the EST3 life safety system. A brief description of each is
provided below.
EST3 Installation and Service Manual (P/N 270380): Gives
complete information on how to install and service the EST3
hardware. The manual also includes installation information on
selected Signature Series components.
SDU Online Help (P/N 180653): Provides full online support for
configuring and programming a system using the System
Definition Utility program.
EST3 System Operation Manual (P/N 270382): Provides detailed
information on how to operate the system and system
components.
EST3 Smoke Management Application Manual (P/N 270913):
Provides information for designing, programming, and testing an
EST3 smoke control system.
EST3 ULI ULC Compatibility Lists (P/N 3100427): Lists the
appliances, devices, and accessories that are compatible with
EST3.
Other documents
In addition to documents in the EST3 library, you may find the
following documents useful.
Signature Series Intelligent Smoke and Heat Detectors
Applications Bulletin (P/N 270145): Provides additional
applications information on the Signature series smoke and heat
detector applications.
Signature Series Component Installation Manual (P/N 270497):
Contains detailed mounting and wiring information for all
Signature series devices.
Speaker Application Guide (P/N 85000-0033): Provides
information on the placement and layout of speakers for fire
alarm signaling and emergency voice communications.
Strobe Applications Guide (P/N 85000-0049): Provides
information on the placement and layout of strobes for fire alarm
signaling.
xii EST3 Installation and Service Manual
Related documentation
National Fire Protection Association
1 Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9101
NFPA 70 National Electric Code
NFPA 72 National Fire Alarm Code
NFPA 11 Low-Expansion Foam Systems
NFPA 11A Medium- and High-Expansion Foam
Systems
NFPA 12 Carbon Dioxide Extinguishing Systems
NFPA 13 Sprinkler Systems
NFPA 15 Water Spray Fixed Systems for Fire
Protection
NFPA 16 Deluge Foam-Water Sprinkler and FoamWater Spray Systems
NFPA 17Dry Chemical Extinguishing Systems
Underwriters Laboratories, Inc.
333 Pfingsten Road
Northbrook, IL 60062-2096
UL 38 Manually Actuated Signaling Boxes
UL 217 Smoke Detectors, Single & 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
UL 1971 Visual Signaling Appliances
EST3 Installation and Service Manual xiii
Underwriters Laboratories of
Canada
7 Crouse Road
Scarborough, ON
Canada M1R 3A9
Canadian Electrical Code Part 1
ULC S527 Standard for Control Units for Fire Alarm
Systems
ULC S524 Standard for the Installation of Fire Alarm
Systems
ULC S536 Standard for the Inspection and Testing of
Fire Alarm Systems
ULC S537 Standard for the Verification of Fire Alarm
Systems
ULC ORD–C693–1994 Central Station Fire Protective
Signaling System and Services
CAN/ULC-S301 Standard for Central and Monitoring
Station Burglar Alarm Systems
CAN/ULC-S302 Standard for Installation and
Classification of Burglar Alarm Systems for Financial
and Commercial Premises, Safes, and Vaults
CAN/ULC-S303 Standard for Local Burglar Alarm Units
and Systems
CAN/ULC-S304 Standard for Central and Monitoring
Station Burglar Alarm Units
PLUS: Requirements of state and local building codes and the
local authority having jurisdiction.
xiv EST3 Installation and Service Manual
Chapter 1
System overview
Summary
This chapter provides a descriptive overview of the components
and subsystems that comprise a system.
Content
System description • 1.2
System features • 1.3
Minimum system requirements • 1.4
System construction • 1.4
Audio subsystem description • 1.6
Network audio riser wiring • 1.6
Amplifiers • 1.7
Backup amplifiers • 1.8
3-ASU Audio Source Unit • 1.9
Firefighter phone • 1.15
Digital network subsystem • 1.16
Network data riser wiring • 1.16
Class B network data risers • 1.16
Class A network data risers • 1.17
Download connections • 1.18
Downloading database files over the network • 1.19
Foreign language support • 1.22
Printer use with foreign languages • 1.22
Bilingual language support • 1.22
Display device language support • 1.23
Signature series devices • 1.26
Network applications • 1.29
Network layout • 1.29
Feature/function domain • 1.30
Audio applications • 1.33
Audio channels • 1.34
Manual audio zone selection • 1.38
Messages • 1.39
Firefighter phone system • 1.42
Five phone off-hook limit • 1.42
One phone per circuit • 1.42
Five phones per circuit • 1.43
Limited number of portable telephone handsets • 1.43
EST3 Installation and Service Manual 1.1
System overview
System description
EST3 is designed using modular hardware and software
components to facilitate rapid configuration, installation, and
testing. Most network components are provided as local rail
modules (LRMs) that plug into the rail chassis assemblies. Rail
chassis assemblies are available to meet most any application.
Rail modules are used for data processing, intrapanel
communication of command/control data, response data, audio
signal processing, and power distribution. Each rail module
provides an interface to support a control/display module that
can be mounted on the front of the module. Most field wiring is
terminated using removable terminal strips for easy installation
and servicing of modules.
Cabinets are available in a variety of sizes. The smallest (3CAB5), in addition to the central processor module and primary
power supply module, supports two rail modules and three
control/display modules. The largest, the 3-CAB21 supports as
many as 18 rail modules and 19 control/display modules.
An EST3 cabinet can be configured as a stand-alone system or as
part of a network which supports up to 64 cabinets on a
peer-to-peer Class A or B token ring network. Below is a partial
list of local rail modules that can be incorporated into a system:
• Central Processor module (CPU). One is required for each
panel. Several models of CPU are available. See the current
compatibility lists for details.
• Primary Power Supply module (3 PPS/M, 3 BPS/M, or 3
BBC/M). One power supply module is required for each
panel.
• Main LCD Display module (LCD). One LCD is required to
provide a point of control for the entire network. Additional
displays can be added to any CPU module for additional
points of control or annunciation. Several LCD models are
available. See the current compatibility lists for details.
Additional control/display modules as required by the
application:
• 3-BPS/M Booster Power Supply module
• 3-MODCOM Modem Communicator module
• 3-SAC Security Access Control module
• 3-SSDC(1) Signature Driver Controller module
• 3-AADC(1) Analog Addressable Driver Controller module
• 3-IDC8/4 Initiating Device Circuit module
• 3-OPS Off-Premises Signaling module
• 3-ZAxx Zoned Amplifier modules
1.2 EST3 Installation and Service Manual
System overview
The audio and firefighter phone functions use a different
hardware format, providing operator controls and storage for the
microphone and telephone handset in a chassis configuration.
System features
Each cabinet in the system provides local control, display, power
supply, and communication functions. Each cabinet has the
following capacities:
• 10 addressable device circuits (Signature and addressable
analog combined)
• 120 traditional input / output zones
• 4 Class B (2 Class A) security / access control
communication (SAC) busses
• 10 modem / dialer cards, each with two telephone lines
• 2 RS-232 external peripheral device ports
• 456 LED annunciation points
• 342 input switches
In addition, the EST3 system has these global features:
• Firefighter telephone
• Custom programmability and user-friendly front panel
• Class B (Style B), initiating device circuits (IDC)
• Event reporting by alarm, trouble, supervisory, or monitor
mode and message display routing
• Dead front construction
• Supports networking — up to 64 nodes may be connected in
a regenerative Class A or Class B token ring
• Fast response time, less than three seconds from initial alarm
to device activation on a fully loaded system over the
network
• Flash memory on controller modules to facilitate quick
firmware upgrades
• Supports 255 security partitions
• Multiplexed eight-channel digital audio system
• Transient protected field wiring
EST3 Installation and Service Manual 1.3
• Class B (Style Y) or Class A notification appliance circuits
• Ground fault detection by panel, Signature data circuit, and
Signature modules
• Switch mode power supply
System overview
• Copper or fiber network and audio communications
• Application and firmware downloading over the network or
from a single point
• Network-wide control routing
• Form C alarm, supervisory, and trouble relay contacts
Refer to the release notes for the latest information regarding
specifications and capabilities.
Minimum system requirements
NFPA 72 system
classification
Required control equipment
Protected Premises
(Local)
Auxiliary
—or—
Remote Station
—or—
Proprietary Protected
Premises
Cabinet with a CPU (Central Processor
module), one LCD (Main LCD Display
module) one 3-PPS/M Primary Power
Supply and Monitor, appropriate
batteries, plus appropriate initiating
device circuits and notification appliance
circuits
Add a 3-OPS Off Premises Signal
module or a correctly configured and
programmed 3-MODCOM Modem
Communicator module to the protected
premises system
System construction
The EST3 system is assembled in layers as shown in Figure 1-1.
The cabinet (1) houses all the system components. A variety of
cabinets are available for as few as 5 and as many as 21 modules.
A 3-RCC14 cabinet is illustrated in Figure 1-1.
Mounted directly to the cabinets are the rail chassis assemblies
(2), of which there are three types: rail, audio, and audio with
telephone. The most common chassis is the rail chassis, which
provides mounting and electrical connections for the local rail
modules (LRMs) (4). Mounted on the rear of the chassis are the
cabinet power supplies (3).
1.4 EST3 Installation and Service Manual
The local rail modules (4) are the specialized cards that provide
an interface between the CPU and the field wiring. The front of
any rail module can support a control/display module (5),
providing customized operator controls and annunciators.
System overview
Completing the EST3 “CAB” series cabinet assembly are the
inner (6) and outer (7) doors. The “RCC” cabinets use a single
outer door.
Figure 1-1: Exploded CAB series cabinet equipment installation
EST3 Installation and Service Manual 1.5
System overview
U
Audio subsystem description
The audio subsystem consists of a variety of signal sources,
integral amplifiers, and sophisticated control software. The
3-ASU Audio Source Unit is available with the optional 3-FTCU
Firefighter Telephone Control Unit as the model 3-ASU/FT. The
ASU/FT is the only audio equipment required at the fire
command control center. Zoned audio amplifiers are distributed
throughout the system and provide the de-multiplexing,
switching, amplification and circuit supervision.
Network audio riser wiring
A digital network audio riser consisting of a single pair (Class B)
or two pairs (Class A) of wires connect all amplifiers together.
Since the digital signals are multiplexed, any of 8 independent
audio sources can be directed to any amplifier connected to the
network. All command and control signals for the audio system
are distributed over the network data riser.
CPU CPU CPU CPU
TB2 TB2 TB2 TB2
AUDIO AUDIO AUDIO AUDIOAUDIO AUDIO AUDIO AUDIO
A IN A IN A IN A INA OUT A OUT A OUT A OUTB OUT B OUT B OUT B OUT
AUDIO AUDIO AUDIO AUDIOAUDIO AUDIO AUDIO AUDIO
B IN B IN B IN B IN
AUDIO DATA PRIMARY
From
on 3-AS
Figure 1-2: Class B network audio riser wiring
1.6 EST3 Installation and Service Manual
System overview
CPU CPU
TB2 TB2 TB2 TB2
AUDIO AUDIO AUDIO AUDIOAUDIO AUDIO AUDIO AUDIO
A IN A IN A IN A INA OUT A OUT A OUT A OUTB OUT B OUT B OUT B OUT
From
AUDIO DATA PRIMARY
connections on 3-ASU
AUDIO AUDIO AUDIO AUDIOAUDIO AUDIO AUDIO AUDIO
B IN B IN B IN B IN
CPU CPU
Figure 1-3: Class A network audio riser wiring
Amplifiers
Amplifiers are designed to feed a single audio zone and provide
an integral 24 Vdc visual notification appliance circuit.
Amplifier modules are available in 20-, 40-, and 95-watt
versions, with each amplifier providing a single supervised Class
B or A audio output circuit. The amplifier is configurable for
either 25 Vrms or 70 Vrms output. An independent supervised
Class B or Class A, 24 Vdc, 3.5 Amp notification appliance
circuit (NAC) is also provided on the 20- and 40-watt amplifiers
to drive notification appliances. In addition, automatic backup
amplifiers can be added on a switched common backup
configuration.
EST3 Installation and Service Manual 1.7
Each audio power amplifier has an integral demultiplexer,
making the 8 audio channels available to the amplifier’s input, as
directed by the system programming. Each amplifier also
contains circuitry that handles routine signal processing
functions such as channel priority.
The amplifier’s output is a dedicated, supervised, 25-, 70-Vrms
speaker circuit, which covers one audio zone in the protected
facility. Figure 1-4 is an example of an enclosure with four zone
amplifiers and a backup amplifier. In response to an alarm,
selected audio amplifiers have been connected to the required
audio channels. Note that three different audio signals are being
broadcast simultaneously.
System overview
Network Data Riser
Network Audio Riser
Equipment Enclosure
Central
Processor
Module
Local Rail Bus
Backup
Amplifier
Zoned
Amplifier
Figure 1-4: Normal amplifier operation
Possible fault condition Amplifier operation
Amplifier loses communication
with Central Processor module
If the panel is configured for stand-alone operation, the amplifier
automatically switches to the EVAC channel and outputs its 1
kHz temporal tone when the panel detects an alarm.
If the panel is not configured for stand-alone operation, the
amplifier will not output any signal.
Panel loses communication
with network data riser
Panel loses communication
with network audio riser
Amplifier switches to the EVAC channel only in response to the
local panel’s programming uses the default EVAC message.
Amplifier switches to the EVAC channel in response to the
system programming. For EVAC the amplifier uses its 1 kHz
temporal tone. For Alert the amplifier uses its 1 kHz 20 bps tone.
Zoned
Amplifier
Zoned
Amplifier
Zoned
Amplifier
AlertEVACPagePage
1.8 EST3 Installation and Service Manual
Backup amplifiers
In the event of an amplifier failure (not a field wiring problem),
the backup amplifier automatically replaces the failed amplifier,
as shown in Figure 1-5.
System overview
Network Data Riser
Network Audio Riser
Equipment Enclosure
Central
Processor
Module
Local Rail Bus
Backup
Amplifier
Figure 1-5: Single amplifier failure
Note: The backup amplifier
will back up a failed
amplifier if it was being
used for Page, EVAC, or
The amplifier failure caused the backup amplifier to
automatically connect to the same audio source as the failed
amplifier. The output of the backup amplifier replaced the output
of the failed amplifier.
Alert. It will not back up an
amplifier being used on an
Auxiliary or General
channel.
Note: The backup amplifier will not replace an amplifier that has
detected a field wiring problem to prevent the amplifier from
driving into a shorted circuit.
3-ASU Audio Source Unit
The 3-ASU is the source of the network audio riser. Available
audio sources are local and remote voice PAGE functions and
the firefighter telephone PAGE function. An integral tone
generator database is provided for the EVAC, ALERT and other
functions. Alternately, the 3-ASU’s integral digital voice
message playback unit can simultaneously provide up to 8
different prerecorded audio messages that may be assigned to
any channel.
Zoned
Amplifier
Zoned
Amplifier
Zoned
Amplifier
Zoned
Amplifier
AlertEVACPagePage
EST3 Installation and Service Manual 1.9
The multiplexer within the 3-ASU converts and compresses the
real-time audio signal and converts it to a digital format. The
output of the digital message playback unit and the integral tone
generator database is already in the digital format. The 8 signal
sources in digital format are then combined together as selected
by the system designer using a multiplexer. This makes up the
network audio riser signal.
System overview
Local mic.
Remote mic.
Firefighter’s
telephone
Auxiliary
input
Network audio riser (eight
digitized audio channels)
Audio si gnals
Multiplexer
Digital message
playback unit
Tone / message
database
Figure 1-6: ASU Signal Flow
Network audio riser
(eight digitized audio
channels)
Network data riser
(command and control)
Demultiplex
and decode
Figure 1-7: Amplifier Signal Flow
Digital signals
The amplifiers at the remote-panels extract the audio signals
from the network riser, amplify it and send it to the speakers.
Local tone
generator
Channel
selection and
supervision
Audio signal priority
Power
amp
25/70 VRMS
supervised audio
circuit
EOLR
During system configuration, each of the eight available audio
channels is assigned one of the five available attributes listed in
Table 1-1. The Page, and Auxiliary attributes may only be
assigned to a single channel. The General attribute may be
assigned to up to four channels.
Table 1-1: Network audio channel parameters
1.10 EST3 Installation and Service Manual
Channel attribute Priority
PAGE 1
EVAC 2
ALERT 3
AUXILIARY 4
System overview
Table 1-1: Network audio channel parameters
Channel attribute Priority
GENERAL 5
Each channel attribute has a priority level associated with it.
When more than one channel is commanded to source a given
amplifier, the amplifier will connect to the source having the
highest priority. The Page channel will only go active when the
microphone push-to-talk switch is pressed.
Special audio source unit page modes
The front panel of the ASU offers four special page mode
switches:
• All Call
• EVAC
• Alert
• All Call Minus
These switches provide instantaneous switching of the page
signal to the most frequently contacted areas of the building. The
special page modes do not require any source switching by the
zoned audio amplifiers. When a special page mode switch is
activated, the signal content of the eight outgoing audio channels
is modified. Figure 1-8 illustrates this principle.
In the normal page mode, the eight audio signal sources are each
connected to a separate audio channel, as represented by a at
the intersection of the signal source and the audio channel,
shown at the lower left of Figure 1-8. Each audio channel is
represented as a vertical line in this figure. The eight audio
channels are actually multiplexed together and distributed over a
common pair of wires called the network audio riser. The figure
shows the system in the normal page mode, with the zoned audio
amplifiers processing EVAC signals on the 1st and 3rd levels, a
page signal on the 2nd level, and the alert signal on the 4th level.
EST3 Installation and Service Manual 1.11
System overview
Eight multiplexed audio channels
on a two-wire circuit
25/70 VRMS supervised
audio circuit
Network data riser
Local tone
generator
Local tone
generator
Local tone
generator
Power
amp
Power
amp
Power
amp
ALERT
25/70 VRMS supervised
audio circuit
EVAC
25/70 VRMS supervised
audio circuit
PAG E
EOLR
EOLR
EOLR
25/70 VRMS supervised
audio circuit
Local tone
generator
Power
amp
EOLR
EVAC
Network audio signals
Page
Evac
Alert
Auxiliary
General1
General2
General3
General4
3-ASU signal sources
Normal mode
= Audio source unit
audio signal to audio
channel connection
Audio si gnal distribution during special paging modes
Page
Evac
Alert
Auxiliary
General1
General2
General3
General4
Page
Evac
Alert
Auxiliary
General1
General2
General3
General4
Page
Evac
Alert
Auxiliary
General1
General2
General3
General4
Page
Evac
Alert
Auxiliary
General1
General2
General3
General4
ALL CALL mode Page to EVAC mode Page to ALERT mode ALL CALL MINUS mode
Figure 1-8: Audio Source Unit Special Page Mode Signal Flow
1.12 EST3 Installation and Service Manual
System overview
The All Call mode is used to send a page to the entire facility.
When the All Call switch is activated, the Audio Source Unit is
put into the all call mode. In this mode, the zoned audio
amplifiers do not all transfer to the page channel. Rather, the
Audio Source Unit redirects the page signal source to all the
audio channels. Figure 1-8 shows the all call page source to
audio channel connections in the lower left corner. Note that all
channels receive the same signal. Any amplifier on the system,
regardless of the audio channel selected, will receive the page.
Any amplifiers that were previously idle will power up and
receive the page.
The Page to EVAC mode is used to send a page to the areas
automatically receiving the evacuation signal. Activating the
EVAC switch causes the Audio Source Unit to enter the page to
EVAC mode. In this mode, the zoned audio amplifiers connected
to the EVAC channel do not transfer to the page channel. Rather,
the Audio Source Unit redirects the page signal source to the
EVAC channel. Figure 1-8 shows the page to EVAC mode page
source to EVAC channel connections. The page and EVAC
audio channels both receive the page signal. Any amplifier
connected to either the page or EVAC audio channels will
receive the page. The alert, auxiliary and general channels are
connected to their respective signal sources, as in the normal
mode.
The Page to Alert mode is used to send a page to the areas
automatically receiving the alert signal. Activating the Alert
switch causes the Audio Source Unit to enter the page to alert
mode. In this mode, the zoned audio amplifiers connected to the
alert channel do not transfer to the page channel. Rather, the
Audio Source Unit redirects the page signal source to the alert
channel. Figure 1-8 shows the page to alert mode page source to
alert channel connections. The page and alert audio channels
both receive the page signal. Any amplifier connected to either
the page or alert audio channels will receive the page. Any
amplifiers that were previously idle will power up and receive
the page. The EVAC, auxiliary and general channels are
connected to their respective signal sources, as in the normal
mode.
The All Call Minus mode is used to send a page to all areas NOT
automatically receiving the EVAC or alert signals. In high rise
applications, all call minus is an effective way to quickly select
stairwells. Activating the All Call Minus switch causes the
Audio Source Unit to enter the all call minus mode. In this mode,
the zoned audio amplifiers connected to the auxiliary and general
channels do not transfer to the page channel. Rather, the Audio
Source Unit redirects the page signal source to the auxiliary and
four general channels. Figure 1-8 shows the all call minus mode
page source to auxiliary and general channel connections. The
EST3 Installation and Service Manual 1.13
System overview
page, auxiliary and four general audio channels all receive the
page signal. Any amplifier connected to the page, auxiliary or
general audio channels will receive the page. The EVAC and
alert channels are connected to their respective signal sources, as
in the normal mode.
Automatic messaging
One of the features of the 3-ASU Audio Source Unit is the
method used to monitor the integrity of the digital audio system.
When an audio messaging system is configured, default audio
messages are recorded for the Evacuation and Alert channels.
The text of default messages should be generic in nature, and
should not include location-specific instructions. When the
system is in the normal condition, the 3-ASU continuously
transmits default messages over the network audio riser. The
zone amplifiers use the default messages to verify their
operational integrity, as well as the integrity of the riser wiring.
When an alarm is detected, the evacuation and alert message
channels are selected by the amplifiers in the appropriate areas in
the facility, as directed by the system rules. If a specific
evacuation message has been programmed to play in response to
the alarm, it is sent out over the evacuation channel. Location
specific evacuation messages contain information and
instructions that should only be used for a specific alarm
location. Should a second alarm from another location be
received, the evacuation message playing as a result of the first
alarm may not be appropriate for the second alarm.
Note: In the event of conflicting messaging instructions caused
by multiple alarm events, the system will play the default
evacuation message, whenever two or more different messages
are requested at the same time on the evacuation channel.
Automatic message processing is illustrated in Figure 1-9. By
reverting back to the generic default evacuation message in
multiple alarm location scenarios, no one can be misdirected by
the wrong message. Default messages also play during alarms
when no location specific message has been requested.
1.14 EST3 Installation and Service Manual
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