ADEMCO 7845CZ Installation And Setup Manual

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K4426CZ 9/01

7845CZZ Installation and Setup Guide

ii

iii

Table of Contents

••••••••••••••••••••••••••••••••••••••••••••••••••

Table of Contents ..................................................................................................................................................................iii

List of Figures......................................................................................................................................................................... v

List of Tables..........................................................................................................................................................................vi

List of Terms..........................................................................................................................................................................vii

SECTION 1............................................................................................................................................................................1–1

General Information...........................................................................................................................................................1–1

About the 7845CZ...............................................................................................................................................................1–1

System Features.................................................................................................................................................................1–1

Hardware Features.........................................................................................................................................................1–1

LED Indications..............................................................................................................................................................1–1

Antenna...........................................................................................................................................................................1–2

Power...............................................................................................................................................................................1–2

SECTION 2............................................................................................................................................................................2–1

Quick Start Installation Guide.........................................................................................................................................2–1

SECTION 3............................................................................................................................................................................3–1

Quick Start Programmerless Registration Option (PRO) Installation Guide.......................................................3–1

SECTION 4............................................................................................................................................................................4–1

Installation and Setup........................................................................................................................................................4–1

Removing the Cover............................................................................................................................................................4–1

Selecting a Radio Installation Site.....................................................................................................................................4–2

Initial Power-Up Sequence.................................................................................................................................................4–3

Testing the Installation......................................................................................................................................................4–5

Using an Unregistered 7845CZ to Test the Installation...............................................................................................4–5

Mounting and Wiring..........................................................................................................................................................4–6

Mounting.........................................................................................................................................................................4–6

Wiring the 7845CZ..........................................................................................................................................................4–7

SECTION 5............................................................................................................................................................................5–1

7845CZ Programming.........................................................................................................................................................5–1

Introduction.........................................................................................................................................................................5–1

Programming ......................................................................................................................................................................5–1

Using the Programmerless Registration Option...........................................................................................................5–1

Using a 7720P Programming Tool .................................................................................................................................5–2

Password Protection .......................................................................................................................................................5–3

Primary Account Information (Questions 1-3)..............................................................................................................5–4

System Options (Questions 4-14)...................................................................................................................................5–4

Zone Inversion Section (Questions 15-19)......................................................................................................................5–6

Arm/Disarm Section (Questions 20-26)..........................................................................................................................5–7

Reporting Delay Section (Questions 27-31)...................................................................................................................5–8

Restore Reporting Section (Questions 32-38)................................................................................................................5–8

Telco Channel and Open/Close Zone (Questions 39-40)................................................................................................5–9

Redundant Central Station Reporting (Questions 41-53).............................................................................................5–9

Reviewing Programming Entries.................................................................................................................................5–10

Setting Factory Defaults...............................................................................................................................................5–10

Exiting Programming Mode.........................................................................................................................................5–10

Assigning a Password...................................................................................................................................................5–11

SECTION 6............................................................................................................................................................................6–1

Registration..........................................................................................................................................................................6–1

Test Registration.................................................................................................................................................................6–1

Registering the Radio .........................................................................................................................................................6–1

Interactive Registration......................................................................................................................................................6–2

SECTION 7Operation Overview ......................................................................................................................................7–1

LED Indications..................................................................................................................................................................7–1

Radio Status LEDs..............................................................................................................................................................7–1

Bar Graph Indications........................................................................................................................................................7–2

Signal Strength:..............................................................................................................................................................7–2

Power-Up:........................................................................................................................................................................7–2

Registration:....................................................................................................................................................................7–2

7845CZ Installation and Setup Guide

iv

Transmit Error:...............................................................................................................................................................7–3

Normal Operation...............................................................................................................................................................7–3

Transmitting an Alarm...................................................................................................................................................7–3

Radio Supervision...........................................................................................................................................................7–4

SECTION 8............................................................................................................................................................................8–1

Programmer Keyboard Commands.................................................................................................................................8–1

SECTION 9............................................................................................................................................................................9–1

Troubleshooting ..................................................................................................................................................................9–1

SECTION 10........................................................................................................................................................................10–1

Specifications.....................................................................................................................................................................10–1

SECTION 11........................................................................................................................................................................11–1

UL Requirements ..............................................................................................................................................................11–1

Power Considerations for UL Installations.....................................................................................................................11–1

For Certificated Installations In Canada.........................................................................................................................11–4

SECTION 12........................................................................................................................................................................12–1

FCC Statement...................................................................................................................................................................12–1

v

List of Figures

••••••••••••••••••••••••••••••••••••••••••••••••••

Figure 1. 7845CZ with Cover Removed for Component Identification ..................................................................................4–1

Figure 2. Signal Strength Bar Graph Displays.........................................................................................................................4–3

Figure 3. Mounting the 7845CZ ..............................................................................................................................................4–6

Figure 4. Wiring a LYNX........................................................................................................................................................4–7

Figure 5. Wiring the 7845CZ Zone 1 & 2 Input to Trigger on Control Panel (+) Bell Output................................................4–8

Figure 6. Wiring the 7845CZ Zone 1 and 2 Input for a Ground (-) Triggered Bell Output....................................................4–8

Figure 7. Wiring the 7845CZ Zones 3 through 7....................................................................................................................4–9

Figure 8. Wiring the 7845CZ to Trip a Control Panel Zone for Normally Closed Fault (Required for UL Installations).....4–10

Figure 9. Powering the 7845CZ from the Control Panel .......................................................................................................4–11

Figure 10. Powering the 7845CZ Using a Wall-Mounted Power Supply..............................................................................4–11

Figure 11. Powering a 7845CZ using a UL Listed Battery-Backed Power Supply for AC Power Loss Supervision ...........11–2

Figure 12. Powering a 7845CZ in Canadian Installations using a UL Listed Battery-Backed Power Supply for AC Power

Loss Supervision............................................................................................................................................................11–3

vi

List of Tables

••••••••••••••••••••••••••••••••••••••••••••••••••

Table 1. 7720P Programming Tool Keyboard Commands......................................................................................................2–2

Table 2. Minimum Distances from Electrical Equipment........................................................................................................4–2

Table 3. Initial Power-Up Bar Graph and Radio Status LED Sequence..................................................................................4–4

Table 4. Maximum Wire Run Length......................................................................................................................................4–7

Table 5. 7845CZ Programming Defaults Summary for Zone Mode........................................................................................5–2

Table 6. 7720P Normal and Shift Key (shift LED lit) Functions.............................................................................................5–3

Table 7. Radio Status LED Indications...................................................................................................................................7–1

Table 8. Bar Graph LED Indications .......................................................................................................................................7–3

vii

List of Terms

••••••••••••••••••••••••••••••••••••••••••••••••••

AMPS: Acronym for Advanced Mobile Phone System, which is the existing analog mobile

phone system used for cellular communication in North America.

A Side / B-Side: The FCC has divided the spectrum allocated to cellular communication

between two carriers in each geographic location: A and B. The “B” side is operated by the

local telephone company (known as wireline), while the “A” side is run by a competitor

(known as non-wireline).

Cell: The equipment, including antennas, RF transmitters, RF receivers, which is used to

establish and route communications between a mobile cellular radio and its intended end

point.

Control Channel: Any one of several dedicated RF channels that are used by a cellular

radio to register its MIN with a local cell and to periodically check in with that cell. The

control channel is also used by the radio to “dial” a phone number through the cell.

Additionally, control channels are used by the cell to “ring” a mobile cellular radio.

MIN: Acronym for Mobile Identification Number, which is a cellular radio’s unique, 10-digit

“phone number.”

SS7: Acronym for Signaling System Seven, which is the network that is used by all

telephone companies for dialing and establishing all cellular and land-line phone calls.

Voice Channel: Any one of many dedicated RF channels used for transmitting and

receiving audio data between a mobile phone and a cell. (Not used with the 7845CZ.)

viii

1–1

SECTION 1

General Information

••••••••••••••••••••••••••••••••••••••••••••••••••

In This Section

♦

About the 7845CZ

♦

System Features

••••••••••••••••••••••••••••••••••••••••••••••••••

About the 7845CZ

The 7845CZ is the subscriber end of the AlarmNet C reporting system. It is comparable to a

digital communicator, but instead of transmitting signals over the telephone lines, it

transmits radio signals to the central monitoring station using the control channel of the

AMPS cellular phone network. This allows faster and more secure reporting and greater

coverage.

The 7845CZ is compatible with existing installations using ADEMCO equipment or other

control panels. It can be used in conjunction with digital communicators on the same system

to provide redundant reporting.

The 7845CZ Transceiver uses the control channel of the Advanced Mobile Phone System

(AMPS) cellular network to report subscriber alarms and system status messages. It

operates on either the “A” or “B” side of the cellular network without using a voice channel.

Because alarms are transmitted only on the control channel, a true “phone call” is never

placed. This eliminates delays due to busy or saturated cells where no voice channels are

available.

The 7845CZ is compliant with the MicroBurst standard for packet-based control channel

cellular communication. Alarm and status packets are transmitted from the subscriber to a

local cell where they are identified and then routed using SS7 to the AlarmNet Control

Center. The AlarmNet Control Center then logs the alarm and routes it via RF to the

appropriate AlarmNet-A or AlarmNet-M equipped central station.

System Features

Hardware Features

•

Total of six inputs mapped to seven reporting zones.

•

Five, hardwired, voltage triggered input zones that are programmable for inverted or

non-inverted operation.

•

Two zones mapped to one physical input that detect both burg and fire (steady and

pulsed) signals when connected to the bell output of a control panel. These inputs can be

2K EOL Supervised, voltage triggered, or ground triggered.

•

Open collector programmable radio fault output in Zone Mode.

LED Indications

•

Received Signal Strength Indication (RSSI), displayed on a 5-position bar graph.

•

Three message status and radio status LEDs.

7845CZ Installation and Setup Guide

1–2

Antenna

An ADEMCO cellular antenna is included (part number K4193). The 7825-OC Antenna is for

optional outdoor use.

Power

The unit is powered directly from a control panel's 12VDC source, or an optional 7720V2TR

12VDC power pack. The 7845CZ is not dependent on the battery to support transmissions,

and will draw up to 400mA from the DC source for up to 3 seconds at a time.

A programmable feature allows the installer to limit input current to 100mA when the unit

is powered from a control panel that cannot provide the 400mA peak transmit current. In

this mode, the radio is completely dependent on the backup battery to transmit, and will not

transmit if a low battery condition exists.

The battery for backup adds over 4 hours of additional system life during DC loss. ADEMCO

PN: K4362. 6 Volt, 0.5Ah.

2–1

SECTION 2

Quick Start Installation Guide

••••••••••••••••••••••••••••••••••••••••••••••••••

BEFORE PROCEEDING ANY FURTHER

- Verify that there is MicroBurst

Coverage in the area in which this unit is to be installed by either checking the coverage

selection at the AlarmNet web site

www.ADEMCO.com/alarmnet

or by calling our technical

assistance group at 1-800-222-6525. The ZIP code of the given installation site must be

known in order to determine MicroBurst availability.

1. Unpack and Initialize the Radio

•

Unpack the 7845CZ and install the antenna.

•

Remove the cover (refer to the “Removing the Cover” paragraph in Section 4).

•

Connect a fully-charged battery (ADEMCO K4362) or apply 12VDC power to TB1 from

either a control panel or a 7720V2TR. Be sure to observe the polarity.

•

Monitor the initial power-up LED sequence (refer to the “Initial Power-Up Sequence”

paragraph in Section 4). This can take several minutes.

2. Find Coverage and Select a Site

IT’S ALL ABOUT COVERAGE!!! -

To be successful using this product,

you must carefully observe service availability, signal strength, and transmission

ability!

•

Verify MicroBurst

coverage using the radio status LEDs as

shown at right, or use the “B” command on the 7720P

Programming Tool (refer to Table 1, Section 2 for a listing of all

7720P Programming Tool keyboard commands and their

function).

•

Choose the installation site with the

best signal strength

by

observing the signal strength (RSSI) bar graph or use the “B”

command on the 7720P Programming Tool (refer to the “Selecting a

Radio Installation Site” paragraph in Section 4 for details).

•

3. Test the Site

•

Test communication with the AlarmNet C and cellular networks by

double-clicking the tamper/test switch and receiving message

validation. If desired, you can cancel validation by clicking the

tamper switch once.

•

If multiple (3 or more) failures to transmit occur (as indicated by the RED Status LED

rapidly blinking after each transmission), the location selected may be inadequate. Move

the 7845CZ to a different location and retest.

off

blink

rapid

blink

on

LED Key

G

Y

R

MicroBurst

G

Y

R

G

Y

R

"click"

VALIDATION

3 bars min

RSSI

YGGGY

7845CZ Installation and Setup Guide

2–2

Table 1. 7720P Programming Tool Keyboard Commands

COMMAND FUNCTION

A Software revision

B Radio and connectivity display (network OK, no service, no contact, signal

strength, A or B carrier, MIN)

C Network time display

D Battery test (starts 10-minute battery test)

E Network system display (channel, local carrier, SID)

F Carrier display (A or B carrier, MicroBurst found, preferred side indication)

S Status display

T Test signal/Test registration when unregistered

X Reset

↑

Register radio (must be programmed)

↓

Replacement radio (must have PIN)

4. Program the Radio

•

Determine how the input zones will be used.

•

Connect the 7720P Programming Tool; reset the radio by cycling the power off, then on;

press [Enter] during the initial power-up sequence to enter Programming mode.

•

Program the 7845CZ as described in the Programming section.

5. Register the Radio

•

Send test registration with the 7720P [T] command to verify account and routing.

•

Register the 7845CZ with AlarmNet by triple-clicking the tamper switch and observing

the LED displays as shown below, or by pressing the [

↑

] key on the 7720P.

off

blink

rapid

blink

on

LED Key

6. Complete the Installation

•

Mount the radio (refer to “Mounting and Wiring”).

•

Wire to the control panel (refer to “Mounting and Wiring”) and test all signals.

•

Test the installation (refer to the “Testing the Installation” paragraph in Section 4).

"click"

REGISTRATION

G

Y

R

re

g

istration

pro

g

ress

Y

YGGG

Y

YGGG

Y

YGGG

Y

YGGG

MSG 1

SENT

MSG 2

SENT

MSG 3

SENT

WAIT

ACK

3–1

SECTION 3

Quick Start Programmerless Registration

Option (PRO) Installation Guide

••••••••••••••••••••••••••••••••••••••••••••••••••

BEFORE PROCEEDING ANY FURTHER

- Verify that there is MicroBurst

Coverage in the area in which this unit is to be installed by either checking the coverage

selection at the AlarmNet web site

www.ADEMCO.com/alarmnet

or by calling our technical

assistance group at 1-800-222-6525. The ZIP code of the given installation site must be

known in order to determine MicroBurst availability.

1. Unpack and Initialize the Radio

•

Unpack the 7845CZ and install the antenna.

•

Remove the cover (refer to the “Removing the Cover” paragraph in Section 4).

•

Connect a fully-charged battery (ADEMCO K4362) or apply 12VDC power to TB1 from

either a control panel or a 7720V2TR. Be sure to observe the polarity.

•

Monitor the initial power-up LED sequence (refer to the “Initial Power-Up Sequence”

paragraph in Section 4). This can take several minutes.

2. Find Coverage and Select a Site

IT’S ALL ABOUT COVERAGE!!!

To be successful using this product,

you must carefully observe service availability, signal strength, and transmission

ability!

•

Verify MicroBurst

coverage using the radio status LEDs as

shown at right.

•

Choose the installation site with the

best signal strength

by

observing the signal strength (RSSI) bar graph (refer to the

“Selecting a Radio Installation Site” paragraph in Section 4 for

details).

3. Test the Site

•

Test communication with the AlarmNet C and cellular networks by

double-clicking the tamper/test switch and receiving message

validation. If desired, you can cancel validation by clicking the

tamper switch once.

•

If multiple (3 or more) failures to transmit occur (as indicated by the RED Status LED

rapidly blinking after each transmission), the location selected may be inadequate. Move

the 7845CZ to a different location and retest.

G

Y

R

MicroBurst

G

Y

R

G

Y

R

"click"

VALIDATION

3 bars min

RSSI

YGGGY

7845CZ Installation and Setup Guide

3–2

4. Contact AlarmNet (TAC) to Register 7845CZ

NOTE: Programmerless registration CANNOT be performed on replacement

radios. A 7720P Programming Tool is necessary. Refer to Section 5 to replace a

radio.

•

Call the AlarmNet Technical Center (1-800-222-6525) to walk through the registration

process.

•

Have the following information ready BEFORE calling by filling in the table below:

The radio’s MIN located on the barcode label on the radio module.

The subscriber number (as provided by the central station). This number should include a 2-digit city

number, a 2-digit central station number, and a 4-digit subscriber ID.

The time zone in which the radio is to be installed.

MIN

CITY CODE

CS ID

SUBSCRIBER ID

TIME ZONE

•

The AlarmNet personnel will first determine if the subscriber number provided is valid.

If the number is not valid, the central station must provide a new number.

•

If the number is valid, the registration process can be initiated by “triple-clicking” the

tamper switch. The AlarmNet personnel will walk through the LED progression as

shown below.

off

blink

rapid

blink

on

LED Key

•

When the green LED goes out, the radio is registered and alarm traffic will be sent to the

central station.

5. Complete the Installation

•

Mount the radio (refer to “Mounting and Wiring”).

•

Wire to the control panel (refer to “Mounting and Wiring”) and test all signals.

•

Test the installation (refer to the “Testing the Installation” paragraph in Section 4).

"click"

REGISTRATION

G

Y

R

re

g

istration

pro

g

ress

Y

YGGG

Y

YGGG

Y

YGGG

Y

YGGG

MSG 1

SENT

MSG 2

SENT

MSG 3

SENT

WAIT

ACK

4–1

SECTION 4

Installation and Setup

••••••••••••••••••••••••••••••••••••••••••••••••••

In This Section

♦

Removing the Cover

♦

Selecting a Radio Installation Site

♦

Initial Power-Up Sequence

♦

Testing the Installation

♦

Mounting and Wiring

••••••••••••••••••••••••••••••••••••••••••••••••••

Removing the Cover

During normal operation, the cover of the 7845CZ

should remain in place.

To remove the cover, gently press in on the two locking

tabs and remove the cover.

Removing the cover triggers the following two events:

•

A tamper zone alarm is transmitted if the

7845CZ is registered and tamper reporting

has been enabled.

•

The RSSI bar graph, which is intended to

be used as an installation tool and

troubleshooting aid, becomes active.

LOCKING TAB

See Figure 1 to identify the components of the 7845CZ.

7845CZ-001-V0

P2 ZONE

INPUTS

ZONE 3*

ZONE 4

ZONE 5

ZONE 6

ZONE 7

RADIO

STATUS

LEDs (3)

3

4

5

6

7

J2**

PROGRAMMING

PORT

J1

BATTERY

TB1

V+(12VDC)

GND

ZONE1, ZONE 2, ZONE 3* IN

RADIO FAULT OUT

TAMPER / TEST

SWITCH

ANTENNA

MIN

LABEL

RSSI

BARGRAPH

** CONNECT J2 TO 7720P PROGRAMMING TOOL ONLY!

DO NOT CONNECT TO TELEPHONE SYSTEM!

IF THE LYNX PANIC FEATURE IS BEING USED,

DO NOT CONNECT ZONE 3.

*

7845CZ Installation and Setup Guide

4–2

Selecting a Radio Installation Site

BEFORE DRILLING ANY HOLES FOR MOUNTING:

•

CHECK FOR MICROBURST!

Be sure that MicroBurst is available

in the area in which this unit is to be installed.

•

CHECK SIGNAL STRENGTH!

Select a location where the signal

strength level is consistently better than 3 bars or -94dBm as

measured with the 7720P.

•

CHECK ABILITY TO TRANSMIT!

Be sure that the 7845CZ can

successfully transmit in the location selected. The red status LED

should NOT be blinking after each transmission attempt.

REMEMBER, IT’S ALL ABOUT COVERAGE!

When selecting a mounting location, do not mount this unit in an area where the general public

could reasonably be within 20cm (8 inches) of the antenna.

1. Remove the cover and connect TB1 V+ and GND terminals to the control panel's +12VDC

auxiliary power output.

2. Select a likely location by monitoring the signal strength bar graph (see

Figure 2.

Signal Strength Bar Graph Displays

). Refer to the “Using an Unregistered 7845CZ

as an Installation Tool” paragraph below. A strong signal lights more LEDs than a weak

signal.

3. Find a location where the signal level is consistently better than 3 bars or –94dBm as

measured with the 7720P. The 7845CZ can function properly with the signal strength

level as low as one-half bar (yellow blinking), but this is an indication of marginal

coverage.

NOTE:

Optimum RF performance can usually be found at the highest point within a

building, with the fewest number of walls between the radio and the outside of the premises.

NOTE:

Avoid mounting the antenna near other electronic devices. Table 2 provides

minimum distances. Highest RF energy is in the direct, horizontal line of the antenna.

Therefore, vertical separation (moving electronic devices either higher or lower on the wall)

provides a higher level of isolation from the radio.

Table 2. Minimum Distances from Electrical Equipment

EQUIPMENT DISTANCE

PIR 10 ft.

FM radio or TV antenna 25 ft.

Other devices 10 ft. minimum

The 7845CZ is designed to be mounted on a vertical surface (wall), with the included antenna

pointing up. When selecting a mounting site, maintain distances from various types of

electrical equipment as listed in

Table 2

. Additionally, observe the maximum wire run

lengths (refer to the “Wiring and Mounting” paragraph

in given mode of operation section).

The 7845CZ is intended for indoor installation only. Mounting outdoors will cause system failure

and may present a shock hazard.

Section 4: Installation and Setup

4–3

Using an Unregistered 7845CZ as an Installation Tool

An unregistered 7845CZ will display signal strength once

the initial power-on sequence is complete.

Use the guide on the right when selecting an installation

site.

Select an installation site where the RSSI is between 3 –

5 bars.

GRN

GRNGRN

YEL

INCREASING SIGNAL STRENGTH

0.0 no signal

0.5

1.0

2.5

3.0 min

3.5

4.0

4.5

5.0 max signal

1.5

2.0 min

installation level

Initial Power-Up Sequence

Before connecting power, check that the following have been completed:

•

Terminal block TB1 V+ and GND terminals are connected to the control panel’s auxiliary

power output: 12VDC nominal.

•

Antenna installed.

Apply power. Initially, all 7845CZ programming options are set to the factory default

settings.

Upon applying power, the 7845CZ enters a power-on reset state, indicated by the RSSI,

mode, and status display LEDs lighting in a “chaser” sequence. After this power-up

sequence, the radio status LEDs display: green lit, yellow blinking, and red lit.

This indicates the 7845CZ is functioning but not yet initialized. The 7845CZ then begins its

initialization sequence. During this process, the 7845CZ is verifying its Mobile Identification

Number (MIN) and checking for MicroBurst service on both the “A” and “B” side carriers.

This initialization is displayed on the RSSI bar graph as follows (refer to Table 4): The yellow

LED remains unlit and the green LED at the extreme right of the display begins to blink.

This green LED then lights (after a short period of time), and the next green LED to the left

begins to blink. When this LED lights, the next green LED begins to blink, and so on, until

all 4 green LEDs are lit. This countdown event may take up to 10 minutes to complete.

Once this sequence has been completed, the RSSI display begins to function as a signal

strength indicator as described in the “Selecting a Radio Installation Site” paragraph in this

section. The radio is now in normal, unprogrammed and unregistered operation. If radio

setup and self-test fails, LED 5 blinks continuously and no further progress is made. If

MicroBurst coverage is not found on either the A or the B side, the 7845CZ repeats Table 3,

steps 2 and 3. These steps are repeated until MicroBurst is found.

7845CZ Installation and Setup Guide

4–4

Table 3. Initial Power-Up Bar Graph and Radio Status LED Sequence

ACTIVE FUNCTION BAR GRAPH DISPLAY RADIO STATUS DISPLAY

1 LED 5 blinking:

7845CZ checking

current carrier list and

verifying coverage.

Time to complete: < 1

minute.

Green lit: unregistered

Yellow blinking: waiting

Red lit: no MicroBurst coverage

2 LED 4 blinking:

7845CZ searching for

coverage on the B-

side carrier.

Time to complete: <1

minute.

5 on: radio set-up ok.

Green lit: unregistered radio.

Green not lit: previously registered radio.

Yellow blinking: B-side (once per second).

Red lit: MicroBurst coverage not yet found, B-

side.

Red not lit: MicroBurst coverage found, B-side.

3 LED 3 blinking:

7845CZ searching for

coverage on the A-

side carrier.

Time to complete: <1

minute.

Green lit: unregistered radio.

Green blinking: service request successful, A-

side.

Green not lit: previously registered radio.

Yellow lit: request for service pending, A-side.

Yellow blinking: A-side (twice per second).

Red lit: MicroBurst coverage not yet found, A-

side.

Red blinking: service request message

unsuccessful, A-side.

Red not lit: MicroBurst coverage found, A-side.

4 LED 2 blinking:

7845CZ testing

carriers for MicroBurst

coverage.

Time to complete: 2-

10 minutes.

Green lit: unregistered radio.

Green blinking: service request successful, A-

side.

Green not lit: previously registered radio.

Yellow lit: request for service pending, A-side.

Yellow blinking: A-side (twice per second).

Red lit: MicroBurst coverage not yet found, A-

side.

Red blinking: service request message

unsuccessful, A-side.

Red not lit: MicroBurst coverage found, A-side.

LED KEY:

off

blink

rapid

blink

on

G

Y

R

G

Y

R

G

Y

R

G

Y

R

3 on: A-side covera

g

e

test complete.

4 on: B-side covera

g

e

test complete

12345

YY

GGG

Section 4: Installation and Setup

4–5

Testing the Installation

Using an Unregistered 7845CZ to Test the Installation

An unregistered 7845CZ can send three types of test messages: unvalidated, validated, and

test registration. Refer to the tests below.

Unvalidated Test Message

Use this to test the path from the 7845CZ to the

cell.

SINGLE-click the tamper switch to send a test

message to the local cell. The RSSI bar graph

displays how well the 7845CZ is receiving this cell.

Read the RSSI display from left to right: If the

yellow and the next two green LEDs are lit, the

display is read as “three bars.” If the yellow and

the next two green LEDs are lit with the following

green LED flashing, the display is read as “three

and a half bars.” This is a stronger received signal

than the previous example. See the Full-Scale RSSI

Display diagram in Figure 2.

Radio status LEDs for a good test

message transmission to local cell:

Radio status LEDs for a failed test

message transmission:

Validated Test Message

Use this to test the path from the 7845CZ to

AlarmNet and back to the 7845CZ.

DOUBLE-click the tamper switch to send a test

message to AlarmNet with a validation request.

The yellow radio status LED blinks rapidly while

waiting for validation. Validation is a low-priority

receipt from AlarmNet to the 7845CZ and may take

several minutes to receive. If AlarmNet does not

validate a message within 90 seconds, the 7845CZ

retransmits the test message and waits for

validation.

Radio status LEDs for a good test

message transmission to AlarmNet

and validation:

LED Key:

off

blink

rapid

blink

on

NOTE: When a good test message is sent from the 7845CZ, it can be assumed with a high

degree of certainty that it reached AlarmNet without waiting for validation. Numerous

transmission failures (indicated by the red LED blinking rapidly) indicate that the location

chosen might be preventing the 7845CZ from transmitting well; the unit should be relocated.

To cancel any test message, single-click the tamper switch.

Test Registration

Use this to test the path from the 7845CZ to AlarmNet, then to the central station, and back

to the 7845CZ. This confirms the radio’s programming and routing across the AlarmNet

network without actually registering it. Use the [T] command to initiate test registration.

Refer to Section 6: Registration for a detailed description of this feature.

NOTE: Programming Options 2, 3, and 4 must be programmed to use this feature.

"click"

G

Y

R

1234

step

1. normal

2. message pending

3. Tx good

4. return to normal

"click"

G

Y

R

123

4

step

1. normal

2. messa

g

e pendin

g

3. Tx

g

ood

4. waitin

g

for validation

5. return to normal

"click"

5

"click"

G

Y

R

23

step

1. normal

2. messa

g

e pendin

g

3. Tx fail

1

7845CZ Installation and Setup Guide

4–6

Mounting and Wiring

BEFORE DRILLING ANY HOLES FOR MOUNTING, DID YOU:

•

CHECK FOR MICROBURST?

•

CHECK SIGNAL STRENGTH?

•

CHECK ABILITY TO TRANSMIT?

REMEMBER, IT’S ALL ABOUT COVERAGE!

Mounting

Install the included antenna by screwing it onto the connector at the top of the 7845CZ. The

final mounting site should be chosen so that:

•

wire lengths do not exceed the maximum wire lengths as specified in Table 6

•

minimum distance to other electrical devices is maintained

•

minimum signal strength level is observed

•

there is access to the 7720P programming port and tamper switch

•

all LED displays can be observed

•

antenna is free from any interference.

Once the 7845CZ has been installed, programmed, and tested, anchor the radio permanently

to the wall using the screws included with the radio. Use the 3 mounting holes as shown in

Figure 3. All 3 mounting holes must be used. It is important to attach the unit securely so

that it cannot be removed or accidentally knocked off the wall after installation.

NOTE: The third mounting hole located behind the antenna is not shown in Figure 3.

7845CZ-005-V0

3

4

5

6

7

MOUNTING

HOLES

(2)

MOUNTING

SCREW

(TYP)

(2)

WALL

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ADEMCO 7845CZ Installation And Setup Manual

ADEMCO 7845CZ Installation And Setup Manual

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