Motorola GP68 User Manual

Manual Number: 502-4501

Installation and Operation

Manual

TM

SmarT runk II

Logic Board

for

Motorola GP68

Portable Radios

SmarTrunk Systems, Inc. • ST-865M3

Motorola P/N PMLN4066A

23278 Bernhardt Street • Hayward, CA. 94545

Phone: [phone] • Fax: [phone]

Internet: [e-mail]

Warranty Policy

ll SmarTrunk products are guaranteed to meet or exceed published

A

performance specifications and are warranted against defects in material
and workmanship for a period of two (2) years from date of purchase. Third
party equipment such as radios, power supplies, antennas, etc., carry the
factory warranty of their respective manufacturers.

All warranty repairs must be performed at the SmarTrunk factory in Hayward,
California, or other factory authorized repair depot. Any unauthorized repair
attempted by the customer, alteration or modification of the equipment, damage
by external sources, or removal or alteration of the serial number label or date
code, will void the warranty . Specifically excluded from this warranty are
batteries, fuses, lamps, and damage caused by lightning, power surges, or
mechanical abuse.

Equipment for repair may be returned to the factory without prior written
authorization; however, a note must be sent with the packing list briefly
describing the nature of the defect. Repairs must be shipped freight prepaid
and will be returned freight prepaid. Shipments should be directed to:

SmarTrunk Systems, Inc.

ATTN: Repair Department

23278 Bernhardt Street

Hayward, CA 94545, U.S.A.

Quality Policy Statement

SmarTrunk Systems, Inc., has a continuing objective to enhance our
worldwide reputation as a supplier of products and services which meet or
exceed customer requirements.

With personal commitment and pride in everything we do, all officers,
managers, and employees will work together for continuous improvement in
the processes and procedures which affect SmarTrunk’ s product quality and
customer service.

SmarT runkTM is a Trademark of SmarT runk Systems, Inc.
Motorola Manual Number

68P04370J43

CONTENTS

INTRODUCTION ......................................... V I I

1  OPERATION .............................................. 1

1.1 Landline To Subscriber Call .................... 1

1.2 Receiving A Call ..................................... 2

1.3 Call Routing Codes For Subscriber

Initiated Calls ......................................... 2

1.3.1 Subscriber To Landline Call ................................ 3

1.3.2 Subscriber To Subscriber Call ............................. 3

1.3.3 Fleet Dispatch (Subscriber) To Group Call ........ 3

1.3.4 Conventional Mode............................................... 3

1.3.5 Mobile Operator Call ........................................... 4

1.3.6 Emergency Call ...................................................... 4

1.4 Originating A Call ................................... 4

1.4.1 Store And Send Dialing ........................................ 5

1.4.2 Memory Speed Dialing ......................................... 6

1.4.3 Programming Memory Speed Dial Numbers ...... 6

1.4.4 Redial ..................................................................... 7

1.4.5 Priority Call Override ........................................... 7

1.4.6 Clear Channel Alerting ......................................... 8

1.5 Call Termination ..................................... 8

1.6 Radio-Kill ............................................... 9

2  OPERATING MODES ............................... 11

2.1 Subscriber ID Numbers/Paging Code

Numbers ............................................... 11

2.2 Conventional ......................................... 14

3  INSTALLATION ........................................ 15

3.1 Disassemble Radio ................................15

3.1.1 Remove Battery .................................................... 1 6

3.1.2 Remove Radio Chassis ........................................ 1 7

5/1/96

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Model ST-865M3 SmarTrunk II™ Logic Board

3.2 Installation of the Logic Board ............... 18

3.3 Reassemble Radio ................................ 19

3.3.1 Replace Radio Chassis ....................................... 1 9

3.3.2 Replace Battery and Antenna ............................ 2 0

3.4 Trouble Shooting ................................... 21

3.5 Portable Radio Programming ...................22

3.5.1 System Tone .......................................................... 2 2

4  LOGIC BOARD PROGRAMMING .............. 23

4.1 Entering The Program Mode ...................23

4.2 Programming Feature Descriptions ........ 23

4.2.1 Number of Trunking Channels ........................... 2 4

4.2.2 Primary Code ....................................................... 2 6

4.2.3 Secondary Code .................................................. 2 6

4.2.4 Priority Subscriber Enable ................................. 2 6

4.2.5 Five Digit Access Code ....................................... 2 7

4.2.6 Return To Radio Default Values ......................... 2 8

4.2.7 Trunking System ID Number .............................. 2 8

4.2.8 Automatic PTT Mode ........................................... 2 9

4.2.9 Emergency Call Override ................................... 2 9

4.2.10 Clear Channel Alerting Mode ............................ 3 0

4.2.11 Radio-Kill ............................................................. 3 0

4.2.12 Memory Speed Dial Programming..................... 3 0

4.2.13 Conventional Operating Mode .......................... 3 1

iv

CONTENTS

Tables

T able 1-1 • Call Routing Codes ........................................................ 3

T able 1-2 • Dialing Modes ................................................................ 5

T able 2-1 • ST-852M Programming ............................................... 13

T able 2-2 • Mobile Programming .................................................... 14

T able 4-1 • Programming Options Summary T able .......................... 25

Figures

Figure 3-1 • Slide Battery Latch...................................................... 16

Figure 3-2 • Slide Battery Cover..................................................... 16

Figure 3-3 • Remove Radio Chassis................................................ 17

Figure 3-4 • Exploded V iew of Radio ............................................. 18

Figure 3-5 • Replace Radio's Chassis.............................................. 19

Figure 3-6 • Troubleshooting........................................................... 21

Appendixes

Appendix A • Programming W orksheet........................................... 33

Appendix B • Motorola P/N • HLN9247A & HLN3083A

SmarTrunk Systems, Inc. • ST-868M50

Cross Reference Chart ............................................ 35

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Model ST-865M3 SmarTrunk II™ Logic Board

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vi

INTRODUCTION

he ST-865M3 SmarTrunk II Logic Board is a microprocessor based

T

radio trunking logic board designed for use with Motorola GP68 Radio. The
ST-865M3 implements SmarTrunk II, an efficient radio channel allocation proto­col. The SmarTrunk II Logic Board controls all radio functions including channel
scan, PTT, and all transmit and receive audio. In combination with the ST-852M
SmarTrunk II Digital Trunking Controller, the Logic Board provides a complete
multi-channel digital access radio trunking system.

The ST-852M is the heart of the SmarTrunk II system. Programming and opera­tion is performed by the System Operator/Manager. Many of the programmable
features of the ST-865M3 require information unique to a specific system. These
system specifics can only be obtained from the System Operator/Manager.

In addition to SmarTrunk II trunking operation, the ST-865M3 has a conventional
operating mode. This mode allows the radio to operate as a conventional two way
radio on the programmed radio channels. Conventional mode can be disabled by
the dealer.

The ST-865M3 offers the user the following features:

• Store and send dialing

• 10 number memory speed dial (user programmable)

• Last number re-dial

• Different ringing tones to distinguish the type of call

• Clear channel alerting tells subscriber when a channel is available

• Ten levels of priority call override

• Two trunking modes: radiotelephone and fleet dispatch

• Capability of operation on SmarTrunk and conventional non-trunked
radio channels

• Automatic acknowledgment eliminates wasted airtime

• Five digit security code for dealer programming

• Remote Radio-Kill to disable illegal and non-paying customers

This manual is presented in four sections:

• Section 1, Operation, describes operational features.

• Section 2, Operating Modes, describes the operating modes available in
a SmarTrunk II system.

• Section 3, Installation, provides instructions for programming of radio
frequencies and installation of the ST-865M3 logic board.

• Section 4, Logic Board Programming, provides the installing technician
instructions to configure the ST-865M3 by programming the resident

EEPROM.

Please read the entire manual before proceeding in order to take advantage of all
the advanced features.

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Model ST-865M3 SmarTrunk II™ Logic Board

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viii

1 • OPERATION

ubscribers already familiar with the original SmarTrunk system will find the

S

SmarTrunk II digital system just as easy to use. There are also many additional
features and enhancements. The ST-865M3 begins trunking operation as soon as
the radio is powered on. Channel selection, transmit control, receiver audio, and
other radio functions are all under the control of the ST-865M3. Radio channel
access is tightly controlled. Unauthorized transmission and monitoring of trunking
channels is not possible by SmarTrunk II equipped radios.

During keypad operation, the ST-865M3 provides audible alerts. These alerts
are:

a. Short chirp is generated each time a key is pressed.

b. High frequency beep indicating a successful keypad entry sequence.

c. Low frequency beep indicating that improper data has been entered.

d. Three long low frequency beeps indicating all channels are busy or im-

proper keypad operation.

e. DTMF tones during DTMF over-dialing.

1.1 Landline To Subscriber Call

When the ST-852M is called from a telephone system, it answers the
telephone line with two beeps. The caller then dials the subscriber ID
number of the subscriber or group that they are trying to call.

If the subscriber ID number is valid, the ST-852M attempts to reach the
subscriber over the air. If the subscriber ID number is for a radiotelephone
subscriber unit that is powered OFF or is out of the operating, area the
caller will hear a busy signal. If the subscriber unit is powered ON and is
in the operating area the caller will hear a ring back and the ST-865M3 will
start ringing. The subscriber answers the call by pressing the asterisk key
(*) on the microphone DTMF keypad (Push-T o-T alk (PTT) is not pressed).

If the subscriber does not answer within the mobile answer time
(programmable), the caller will get a busy signal for a few seconds and
then the ST-852M will hang up. If the subscriber does answer, the caller
will hear two beeps and can then begin talking.

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Model ST-865M3 SmarTrunk II™ Logic Board

1.2 Receiving A Call

The subscriber is alerted to an incoming call by ringing of the subscriber
equipment. This alerting takes four forms, related to the type of incoming
call.

a. A long single high frequency ring is generated by the logic board,

then a low frequency dual tone ring is generated by the controller.
This indicates an incoming landline call.

b. A short double high frequency ring is generated by the logic board,

then a low frequency dual tone ring is generated by the controller.
This indicates an incoming call from another SmarTrunk II radio
subscriber.

c. A short single high frequency ring is generated by the logic board,

then a double beep is generated by the controller. This indicates a
manually dialed group call.

d. A short single high frequency ring is generated in the calling radios

logic board, then a double beep is generated by the controller. This
indicates a (PTT) dispatch group call.

For items a and b, the subscriber must press * on the DTMF keypad to
answer the incoming call (Push-to-talk (PTT) is not pressed). For items c
and d, the subscriber may communicate with other members of the group
by pressing PTT (no answer action is required).

1.3 Call Routing Codes For Subscriber Initiated

Calls

Call routing codes are used for initiating a call from a subscriber to the
appropriate destination. Call routing codes are commonplace in PBX
telephone systems. For example, to place a call to an outside telephone
line through a PBX, a call routing code of typically 0 or 9 must be dialed
first. The SmarTrunk II system operates in a similar fashion, however, the
call routing code is placed at the end of the calling sequence.

The following table describes all the call routing codes. The subscriber
needs to be familiar only with the call routing codes that apply to their
application.

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Table 1-1  Call Routing Codes

Routing Code Destination

1 Subscriber to Landline 1
2 Subscriber to Landline 2
3 Subscriber to Subscriber
4 Fleet-Dispatch/Group Call
5 Conventional Mode
9 Mobile Operator
0 Emergency

1.3.1 Subscriber To Landline Call

Routing codes 1 and 2 give the subscriber access to tele­phone line one or two respectively. A subscriber may be
restricted from line 2, or there may not be two telephone
lines connected to the ST-852M. In this case, routing code
2 is not valid.

1.3.2 Subscriber To Subscriber Call

1 • Operation

Routing code 3 allows the subscriber to place a call to an­other subscriber or group of subscribers. The call is routed
through the ST-852M and does not use the telephone sys­tem.

1.3.3 Fleet Dispatch (Subscriber) To Group Call

Routing code 4 allows the subscriber to place a call to the
subscriber’s own group. This functions as though the sub­scriber had used routing code 3 with the subscriber ID num­ber of the subscriber’s own group. When automatic PTT is
enabled, operation of the PTT initiates a group call to the
subscribers group using routing code 4.

1.3.4 Conventional Mode

Routing code 5 selects conventional mode. In this mode,
radio channel switch positions not used by SmarTrunk II
trunking channels may be programmed and used for con­ventional two-way radio operations. This feature is enabled
or disabled during initial setup of the radio. A vailability of
this mode is determined by the radio dealer supplying the
radio, or the System Operator/Manager.

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Model ST-865M3 SmarTrunk II™ Logic Board

1.3.5 Mobile Operator Call

Routing code 9 calls the subscriber that is preprogrammed
as the Mobile Operator. This functions as though the sub­scriber had used routing code 3 with the subscriber ID num­ber of the Mobile Operator. The Mobile Operator is pro­grammed by the System Operator/Manager.

1.3.6 Emergency Call

Routing code 0 causes the ST-852M to access line 1 and dial
the preprogrammed emergency phone number. The emer­gency phone number is programmed by the System Opera­tor/Manager.

See the ST-852M SmarTrunk II Digital Trunking Control­ler Manual for details on programming the emergency num­bers.

1.4 Originating A Call

This section describes the advanced SmarTrunk II dialing methods. Dialing
has an automatic five second time-out. If the time between pressing keys
in a dialing sequence exceeds five seconds, the ST-865M3 times out. A
low frequency beep will be heard and the dialing procedure must be
restarted. To clear out previously entered data and restart dialing, press
the # key.

A busy tone will be heard by the subscriber if connection is not possible.
This can occur if a radio channel is not available, or if the subscriber unit
is out of range. The subscriber must then retry the call at a later time, when
within range and a radio channel is available.

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1 • Operation

Table 1-2 and the following paragraphs summarize the advanced dialing

modes available:

Table 1-2  Dialing Modes

Dialing Mode Procedure

Store and Send Dialing (number to dial) + (routing code) + *
Memory Speed Dialing * + (memory location)

Programming Speed Dial Memory * (hold until beep) + (memory location) +
(The ability to program speed dial (number to store) + (routing code) + *
numbers can be disabled by the dealer).

Redial Mode * + *
Priority Call Overide * + * (hold until beep)

1.4.1 Store And Send Dialing

This is the normal method of placing a telephone call.

a. Enter the telephone number, or subscriber ID number

on the radio front panel numberic keypad.

b. Enter the routing code for the destination of the call.

c. Press the * key.

d. Hear a beep followed by the phone system signal-

ling.

e. Wait for the called party to answer the call.

Example: To dial the telephone number 633-8899 on

Landline 1, enter the following sequence:

6 3 3 8 8 9 9 1 *

Up to fourteen digit telephone numbers may be entered.

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Model ST-865M3 SmarTrunk II™ Logic Board

1.4.2 Memory Speed Dialing

This procedure is used for dialing a telephone number or
subscriber ID number that is stored in the speed dial memory:

a. Press the * key.
b. Enter the memory speed dial location (0-9).
c. Hear a beep followed by the phone system signal-

ling.

d. Wait for the called party to answer the call.

Example: To call a telephone number from the speed dial

memory location 6, enter the
following sequence: * 6.

1.4.3 Programming Memory Speed Dial

Numbers

The following procedure is used for programming a tele­phone number or subscriber ID number into the ST-865M3
speed dial memory.

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a. Press and hold the * key until a beep is heard.
b. Enter a memory speed dial location.
c. Enter the telephone number or subscriber ID number

that you wish to program into the speed dial memory .

d. Enter the routing code.
e. Press the * key to complete the programming se-

quence.

Example: T o program the speed dial memory location 3

with the telephone number 555-6666 routed to
landline one, enter the following sequence:

*(hold), after the beep, 3 5 5 5 6 6 6 6 1 *

Up to fourteen digit telephone numbers may be programmed.
The ability to program speed dial numbers can be disabled
by the dealer.

1.4.4 Redial

Redial is most often used after a telephone number is dialed
using the store and send method and the line is busy or a
trunking channel is not available.

Example: T o redial the last number dialed:

Press the * key twice.

Turning off the power to the radio clears the redial memory .
If redial is attempted when no number has been entered, a
low frequency error tone will be heard. Redial may be re­peated as many times as desired.

1.4.5 Priority Call Override

A subscriber unit programmed as a priority subscriber can
initiate a Priority Call Override after a call is attempted but all
channels are busy. Priority Call Override will try to pre-empt
an ongoing call.

If a channel is not available for a call, Priority Call Override
can be used to try to gain access to a channel.

1 • Operation

T o start a Priority Call Override:

Press and release the * key, and then
press and hold the * key until a beep is heard.

Each subscriber is assigned one of ten priority levels. When
the ST-852M receives a priority call override command, it
compares the priority level of the current call in process with
the override command. If the override command is a higher
priority it will pre-empt the call in process. Once the trunking
channel is released, the priority subscriber’s call will be pro­cessed in the normal fashion. If a channel is not made avail­able, a busy signal will be heard by the subscriber.

Programming a subscriber unit as a priority subscriber does
not guarantee access to the system. A priority subscriber
may be denied access depending on the priority level of the
other subscribers. Access may be impossible if the RF sig­nal strength of the current subscriber on the trunking chan­nel is stronger than that of the priority subscriber. Priority
Call Override is a dealer programmable option.

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Model ST-865M3 SmarTrunk II™ Logic Board

1.4.6 Clear Channel Alerting

If a call is attempted and no trunking channels are available,
the subscriber will get a busy signal. The subscriber can try
to redial over and over until the call is processed but this is
very frustrating. Clear Channel Alerting Mode eliminates
this problem.

If Clear Channel Alerting Mode is enabled and all channels
are busy when a call is attempted, a busy signal will be
generated by the ST-865M3. After the busy signal, the ra­dio will continue to scan all trunking channels looking for a
free channel. The radio will chirp every 10 seconds while in
this mode. When a channel is free, the radio will generate a
double beep ( low then high). The subscriber can then at­tempt to place another call or use the Redial feature (press­ing * twice). The ST-865M3 will not automatically redial. If
other subscribers are using the clear channel alerting mode
at the same time, the first subscriber to attempt a call will
capture the channel.

Once a clear channel is detected, the Clear Channel Alerting
Mode is canceled.

The subscriber can cancel the Clear Channel Alerting Mode
and return to the Trunking Mode by pressing any key on
the radio front panel numberic keypad. Clear Channel Alert­ing is a dealer programmable option.

1.5 Call Termination

A subscriber ends a call by pressing the pound key (#) on the radio front
panel keypad. The ST-852M will disconnect and release the channel. For
group calls, all of the subscribers in the group will be disconnected.

Call termination will also occur if the subscriber exceeds the call limit time,
or if the subscriber unit activity timer expires at the ST-852M. See the ST-

852M SmarTrunk II Digital T runking Contr oller manual for details about
setting these times. In addition, if a subscriber unit loses the signal from

the ST-852M for 5 seconds, the subscriber unit will return to the idle state.

A disconnect signal is indicated with a beep. After the beep, the sub­scriber unit returns to the idle state.

16

1.6 Radio-Kill

If the radio has been remotely disabled by the System Operator/Manager,
it will generate a continuous stream of low frequency beeps and will not
operate. The radio must be returned to the dealer or System Operator/
Manager for reprogramming. Radio-Kill is a feature that is programmed
and managed by the System Operator/Manager.

1 • Operation

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Model ST-865M3 SmarTrunk II™ Logic Board

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18

2 • OPERA TING MODES

he ST-865M3 may be operated in three modes; Radiotelephone, Fleet Dis-

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patch and Conventional. The System Operator/Manager determines which of

these modes are made available to each subscriber.

The features of the operating modes are described below:

• Radiotelephone - The subscriber receives private calls and group calls.

He can initiate telephone calls, call other radiotelephone subscribers and
call any group. Call records for each subscriber and group are main­tained for billing.

• Fleet Dispatch - The subscriber is assigned to two groups and receives

calls for both groups. If Automatic PTT is enabled, the subscriber can
call the main group by simply pressing PTT, with no keypad entry. The
subscriber may also initiate telephone calls, call radiotelephone subscrib­ers and call any group. Call records for both groups are maintained for
billing.

• Conventional - Subscribers have access to non-trunked radio channels

that operate as two way radio service. If this mode is enabled, mobiles
may switch from trunking operation to conventional by selecting a non­trunked channel using the radio's channel select switch and then pressing
5* on the radio keypad.

2.1 Subscriber ID Numbers/Paging Code

Numbers

SmarTrunk II modes (Radiotelephone and Fleet Dispatch) are a function
of subscriber identification programming.

Each subscriber in a SmarTrunk II System may be assigned two Subscriber
ID Numbers. Subscriber ID numbers are similar to a telephone number.
This is the number a landline or radio caller uses to contact the subscriber.
As a security measure, this number is aliased to another number (Paging
Code Number) for over the air signaling. This security measure insures
that a radio listener cannot correlate any of the over the air signalling
with a number dialed. The Paging Code is expected to be a confidential
number known only by the System Operator/Manager and associates that
program the subscriber equipment. There is no requirement for the
subscriber to have knowledge of the Paging Code associated with the
equipment in use. The associated Subscriber ID Number provides
sufficient subscriber information necessary for all SmarTrunk II operation.

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Model ST-865M3 SmarTrunk II

The System Operator/Manager activates a subscriber (individual or group)
by programming the ST-852M SmarTrunk II Controller. This activation
involves assigning a Subscriber ID Number, Paging Code Number,
operational type and a number of other controller parameters. As
previously stated, each piece of SmarTrunk II subscriber equipment is
capable of "over the air" operation with two Paging Code Numbers. These
are the numbers that will be programmed into the subscriber equipment.

An individual Subscriber ID Number and associated Paging Code are
numbers assigned to one subscriber. The subscriber may be called as an
individual by other subscribers or from the landline. Calls made by and
to the individual subscriber are accounted for and recorded by the ST­852M SmarTrunk II controller.

A group Subscriber ID Number and associated Paging Code are numbers
assigned to more than one subscriber. These grouped subscribers will
receive a common alert if the Subscriber ID Number is called from another
radio subscriber or from the landline. This signalling is commonly used
for dispatch/fleet radio operation. Calls made by and to any subscriber in
the group are accounted for and recorded by the ST-852M SmarTrunk II
controller.

TM

Logic Board

Example #1: If a subscriber is only a radio telephone user, the Pri-

mary Code is programmed for the Paging Code associ­ated with the Subscribers ID Number. When the sub­scriber has no need for radio group calling, the Sec­ondary Code should be programmed with the same
number as the Primary Code. In this case, the
SmarTrunk II subscriber equipment operates similar to
single line telephone.

Example #2: If a subscriber has a requirement to operate radio tele-

phone and radio group calling, the individual Paging
Code is assigned to the Primary Code and the group
Paging Code assigned to the Secondary code. The op­erator of this equipment, can receive and initiate indi­vidual calls to and from other subscribers and the
landline. Additionally, this equipment can be contacted
as part of the radio group.

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2 • Operating Modes

Example #3: If a subscriber primarily has only radio dispatch/fleet

requirements, both the Primary Code and the Second­ary Codes may be assigned to group Paging Codes.
When programmed in this manner, the equipment will
respond to two groups (Group and Sub-Group). The
operator of this equipment can only receive Group or
Sub-Group calls. An individual user in the subscriber
group can make individual outgoing calls to the landline
(Primary Code is used).

Table 2-1 illustrates a possible programming/activation scenario. The first three
subscribers are individual subscribers using half duplex type equipment. These
paging codes will be programmed into only one piece of subscriber equipment in
the Primary Code position. The fourth and fifth entries are group subscribers. The
group paging code may be programmed into many pieces of subscriber equipment
as Primary Code or Secondary Code (Group/Sub-Group).

Table 2-1  ST-852M Programming

Subscriber Type Paging Code

ID Number

10000 half 4100
10001 half 4101
10003 half 4102
90000 group 4103
90001 group 4104

Table 2-2 depicts how four pieces of user equipment may be programmed
related to Table 2-1.

Subscriber Equipment #1 will operate as an individual user.

Subscriber Equipment #2 will operate as an individual and be

grouped with #4.

Subscriber Equipment #3 will operate as an individual, with

grouping to #4 but NOT grouped with
#2.

Subscriber Equipment #4 operates with two groups. Thereby

being associated with #2 and #3.

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Model ST-865M3 SmarTrunk II

Table 2-2  Mobile Programming

TM

Logic Board

Subscriber
Equipment

#1

Subscriber
Equipment

#2

Subscriber
Equipment

#3

Subscriber
Equipment

Primary Code 4100 4101 4102 4103

Secondary Code 4100 4103 4104 4104

2.2 Conventional

If the Conventional Mode feature is enabled, the subscriber may switch
to Conventional Mode operation by pressing the 5 key then pressing the
(*) key on the keypad (PTT not pressed). The subscriber may then set
the channel select switch to the desired conventional channel position. If
the channel select switch is set to a SmarTrunk II trunked channel position,
the radio will emit a continuous string of high pitched beeps to alert the
subscriber that the channel selected is trunked operation only.

The subscriber may return to trunking operation by pressing the # key on
the radio keypad. The channel select switch MUST be set to a valid
CONVENTIONAL channel when the # key is pressed.

#4

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3  INSTALLATION FOR GP68

he following information is provided to guide the installation of the optional

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SmarTrunk II Logic Board. Each step is explained in detail and supported with
drawings where required. This installation procedure should be followed carefully
to avoid damage to the radio and the option equipment.

3.1 Disassemble Radio

IMPORTANT

Before disassembling and reassem­bling the radio, wear a conducting
wrist strap to prevent damage to
any component on the main board
from electro-static discharge.

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Model ST-865M3 SmarTrunk II Logic Board

3.1.1 Remove Battery

The battery latches are located at the sides of the radio.

a. Slide latches away from the front panel on both sides of

the radio to unlock battery compartment
(Figure 3-1).

Figure 3-1  Slide Battery Latch

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b. Slide battery cover down and away from radio to re-

move (Figure 3-2).

Figure 3-2  Slide Battery Cover

3  Installation For GP68

3.1.2 Remove Radios Chassis

a. Remove the antenna. The antenna screws off counter-

clockwise (Figure 3-3).

b. Remove the two screws at the back of the chassis

(Figure 3-3).

c. Slide the chassis downwards a little and lift it away from

the front housing (Figure 3-3).

NOTE

Please note that the flat ribbon cable
still connects the controller board and
the RF board. Be careful not to strain
this cable while separating the chassis
from the front housing.

Figure 3-3  Remove Radio Chassis

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Model ST-865M3 SmarTrunk II Logic Board

3.2 Installation of the ST-865M3 Logic Board

a. Dismantle the radio by first removing the chassis from the front

housing. (Refer to section 3.1 instructions for disassembling

the radio).

b. Orientate the ST-865M3 Logic Board so that the 12 pin male

c. Attach the ST-865M3 Logic Board to the controller board by

connector is at the lower edge and facing downwards.
(See figure 3-4)

inserting the 12 pin male connector into the 12 pin female
connector on the Controller Board. Push until it is securely in
place.

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Figure 3-4  Exploded View of the radio with Optional

SmarTrunk II Logic Board

3.3 Reassemble Radio

3.3.1 Replace Radios Chassis

a. Slide the chassis upwards to properly fit into the hous-

ing and press the bottom of the chassis firmly into place
(Figure 3-5).

b. Tighten the two screws on the back of the chassis.

3  Installation For GP68

Figure 3-5  Replace Radios Chassis

NOTE

Be careful to loop the flex ribbon cable
properly when assembling the chassis onto
the housing.

27

Model ST-865M3 SmarTrunk II Logic Board

3.3.2 Replace Battery and Antenna

a. Replace battery pack by sliding the pack in place.

b. Slide battery cover latches towards the front panel to

lock.

c. Replace the antenna.

28

3.4 Trouble Shooting

If the radio does not function correctly, follow the steps in the
troubleshooting chart shown in (Figure 3-6).

Start

Check Radio

Programming

3  Installation For GP68

Is Option

Board

Programmed?

Reprogram

Yes

Remove

Option

Board

Radio

Functions

As A

Conventional

Radio?

Yes

Replace Flex

Cable or

Option Board

Figure 3-6 • Troubleshooting

No

Repair

Radio

29

Model ST-865M3 SmarTrunk II Logic Board

3.5 Portable Radio Programming

Program the radio for the SmarTrunk II operating frequencies and the
various radio operating parameters required. Refer to the GP68 instruction
manual for specific instructions. When the radio programming is complete,
the SmarTrunk II Logic Board can be programmed by following the
procedure described in Section 4.

The most effective method to evaluate proper programming of a radio
involves system use. It is recommended that the System Operator/Manager
set up at least two specific Subscriber ID Numbers and associated Paging
Codes for each designated installer for test purposes. This provides a
basis for progamming all radios prior to specific subscriber activation. It
also provides an evaluation capability for installers. One set of numbers
should be an individual (half duplex type) the other group (group type).

3.5.1 System Tone

All subscribers on a SmarTrunk II system MUST be pro­grammed with the same system tone that is programmed in
the ST-852M controller. The System Operator/Manager
determines the System Tone Frequency. This parameter is
set as a radio function with the Motorola RX PL SQUELCH
code.

30

4 • LOGIC BOARD PROGRAMMING

he ST-865M3 provides the installing technician a flexible programming

T

capability after the ST-865M3 has been installed in the radio. The ST­865M3 is programmed by using the keypad on the front of the radio. No
special cables or other attachments are required. All programming information
is retained in a non volatile EEPROM.

To test the installation and programming of the ST-865M3, a functional ST­852M with the system ID numbers and paging codes correctly programmed is
required. See the ST-852M SmarTrunk II Digital T runking Contr oller manual

for details on adding subscriber ID numbers to the system.

4.1 Entering The Program Mode

T o enter the programming mode, perform the following steps:

a. Turn the radio off.
b. Press and hold the # key on the front panel keypad.
c. Turn the radio on.
d. After the beep is heard, release the # key.
e. Enter the dealer programmed 5 digit access code, followed by the

# key. The default access code is 12345.

f. The ST-865M3 will respond with a high beep. If a low beep is

heard, the access code was incorrect. Turn the radio off and try
the procedure again.

4.2 Programming Feature Descriptions

The ST-865M3 programming features are described herein. A
programming worksheet is provided in Appendix A. This worksheet
should be copied and filled out for each subscriber and used as a
record of the programming for that particular subscriber.

31

Model ST-865M3 SmarTrunk II ™ Logic Board

Table 4-1 summarizes the programmable features, the keypad

sequence for programming, and the default values as provided by the

factory .

Each feature programmed requires the following steps:

a. Enter a two digit programming code.

b. Press the # key (indicates end of programming code sequence).

c. Enter the data necessary to program that feature.

d. Press the # key (indicates end of data sequence).

Many of the programmable parameters required for proper operation

of the ST-865M3 MUST be provided by the System Operator/Manager.

These features are indicated by an asterisk (*) at the beginning of the

feature name.

After each feature is successfully programmed, a high frequency beep

will be generated. A low frequency beep indicates an error was made

in the programming sequence and the sequence should be repeated.

T o return the radio to normal operation after programming is complete,

turn the power of the radio off and then back on.

See (Table 4-1) ~ Programming Options Summary Table.

4.2.1 Number of Trunking Channels

This program code sets the number of trunking chan­nels that are used in a SmarTrunk II trunking system.

T o program the number of trunking channels: Enter the
program code 10 followed by the # key, then the number
of trunking channels in your system, followed by the #
key.

Example: If your trunking system is a five channel

system press: 1 0 # 5 #.

32

4 • ST-865M3 Programming

Table 4-1  Programming Options Summary Table

Feature

*Number of Trunking Channels 10# data # 4
*Primary Code 12# data # 0000
*Secondary Code 13# data # 0000
*Priority Subscriber Enable 14# 0# (off) off

*Five Digit Access Code 16# data # data # 12345
Return to factory default values 19#
*Trunking System ID Number 20# data # 00
*Automatic PTT Mode 21# 0# (off) off

*Emergency Call Override 22# 0# (off) off

Clear Channel Alerting Mode 24# 0# (off) off

*Radio-Kill 25# 0# (active) active

*Memory Speed-dialing 26# 0# (off) on
programming 26# 1# (on)
*Conventional Operating 23# 0# (No conv. operation) off

Mode

Programming

Sequence

14# 1# (on)

21# 1# (on)

22# 1# (on)

24# 1# (on)

25# 1# (disabled)

23# 1# (Conv. mode enabled)

Factory

Default

Note: Items marked with an asterisk (*) require information from the System

Operator/Manager prior to programming.

See Section 4.2 for specific information.

33

Model ST-865M3 SmarTrunk II ™ Logic Board

4.2.2 Primary Code

The Primary Code consists of a four digit number that is
contained in the SmarTrunk II digital transmission. Any
four digit number from 0000 to 9999 may be used. See

Section 2 (Operating Modes) before assigning the Pri­mary Code.

T o program the Primary Code: Enter the program code
12 followed by the # key, then the Primary Code fol­lowed by the # key.

Example: T o program a unit’s Primary Code to 1234

press: 1 2 # 1 2 3 4 #.

4.2.3 Secondary Code

The Secondary Code consists of a four digit number
contained in the SmarTrunk II digital transmission. Any
four digit number from 0000 to 9999 may be used.

See Section 2 (Operating Modes) before assigning the
Secondary Code.

To program a Secondary Code: Enter the program code
13 followed by the # key, then the Secondary Code
followed by the # key .

Example: To program a unit’s Secondary Code to

1200 press: 1 3 # 1 2 0 0 #.

4.2.4 Priority Subscriber Enable

Enabling this program code makes a subscriber unit a
Priority Subscriber. A Priority Subscriber can pre-empt
calls currently in progress on the trunking system.

Note: Care must be exercised when using this fea-

ture. A priority subscriber can terminate im­portant calls of other subscribers. If too many
priority subscribers are enabled, the priority
subscribers themselves will be competing for
trunking channels. Additional trunking chan­nels should be installed if the system is heavily
loaded.

34

4 • ST-865M3 Programming

A priority override is possible only if the subscriber
engaging the priority override has a higher priority level
than the current subscriber on a channel. There are ten
priority levels, from 0 (lowest priority) to 9 (highest pri­ority). The priority level of a SmarTrunk II subscriber is
determined by the first digit of the subscriber’s Primary
code.

For example, a subscriber with a Primary code of 2468
(priority level 2) is currently using a trunking channel.
If a subscriber with a subscriber ID code of 6722 (prior­ity level 6) tries a priority override on the same trunking
channel, the override will be successful. The call in
process will be terminated and subscriber 6722 will be
granted access to the channel. If a subscriber with a
Primary code of 1234 (priority level 1) tries a priority
override on that trunking channel, the override will be
unsuccessful since the latter subscriber has a lower
priority level. The original subscriber on the channel
cannot be overridden by another subscriber with an
equal priority level. If a subscriber with a Primary code
of 2401 (priority level 2) tries a priority override on the
same trunking channel, the override will be unsuccess­ful.

T o program this feature: Enter the programming code
14 followed by the # key . Then 1 (enable) or 0 (disable)
followed by the # key .

Example: To make a subscriber a priority subscriber

press: 1 4 # 1 #.

4.2.5 Five Digit Access Code

The five digit access code allows the dealer to enter the
ST-865M3 programming mode and keeps unauthorized
personnel from accessing the programming mode. The
access code is dealer programmable, and may be set to
any five digit number 00000 to 99999.

Note: Be sure to write down the new five digit access

code. If the five digit access code is lost or

forgotten, ACCESS TO THE ST-865M3 PRO­GRAMMING MODE WILL BE IMPOS­SIBLE.

35

Model ST-865M3 SmarTrunk II ™ Logic Board

The sequence for programming the five digit access
code requires the dealer to enter the five digit number
two times. This insures that no mistakes are made dur­ing the entry of a new access code.

To change the five digit access code: Enter the program
code 16 followed by the # key, then the new five digit
access code followed by the # key . Then enter the five
digit access code a second time, followed by the # key .
If the new access code was entered the same both times,
the programming of the new access code will be ac­cepted.

T o change the five digit access code to 45678 press:

1 6 # 4 5 6 7 8 # 4 5 6 7 8 #

4.2.6 Return To Radio Default Values

This programming feature will return the contents of
the EEPROM to the default values as shown on the
Programming Options Summary T able (T able 4-1). The
Five Digit Access code is returned to the factory de­fault value (12345).

Example: T o initialize the EEPROM TO F ACTOR Y

DEF AUL TS PRESS: 1 9 #.

4.2.7 Trunking System ID Number

All ST-852’s have a T runking System ID Number from 0
to 31. All subscriber units on a trunking system must
be programmed with the same trunking system ID num­ber. Subscriber units can only access ST-852’s with
matching Trunking System ID Numbers.

For example, if a subscriber unit with a trunking system
ID number of 1 tries to access a trunking system with a
trunking system ID number of 5, access will be denied.
If you wish to allow subscriber units to roam on differ­ent SmarTrunk II systems, all trunking system ID num­bers must be identical. The Trunking System ID Num­ber will be used in the future for roaming and network­ing features.

36

4 • ST-865M3 Programming

To program the ST-865M3 with a trunking system ID
number: Enter the program code 20 followed by the #
key, and then the trunking system ID number followed
by the # key.

Example: T o program the T runking System ID

Number to 5 press: 2 0 # 5 #.

4.2.8 Automatic PTT Mode

The Automatic PTT mode makes radio operation simple
for the dispatch operation. With this mode enabled, the
subscriber simply presses the PTT switch on the radio
to gain channel access. The ST-865M3 will automati­cally call the subscriber’s Secondary code for fleet-dis­patch type trunking systems. No keypad entry is re­quired to operate in this mode.

Note: This option should not be used if the primary

function of a subscriber is for radiotelephone.
Both radiotelephone and fleet-dispatch mobiles
can share the same trunking system.

To program the automatic PTT mode: Enter the pro­gram code 21 followed by the # key, and then either 1
(enable) or 0 (disable) followed by # key.

Example: To enable automatic PTT mode press:

2 1 # 1 #.

4.2.9 Emergency Call Override

When a subscriber places an emergency call by using
routing code 0 (pressing *0), the ST-865M3 will dial the
pre-programmed emergency phone number on line 1. If
all channels are busy and Emergency Call Override is
enabled, it will automatically begin a priority call over­ride function to dial the emergency phone number . See

the ST-852M SmarTrunk II Digital Trunking Control­ler manual for details on programming the emergency
phone number.

T o program the Emergency Call Override feature: Enter
the program code 22 followed by the # key, and then
either 1 (enable) or 0 (disable) followed by the # key .

Example: To enable Emergency Call Override press:

2 2 # 1 #.

37

Model ST-865M3 SmarTrunk II ™ Logic Board

4.2.10 Clear Channel Alerting Mode

Clear channel alerting mode notifies the subscriber when
a radio channel becomes available.

T o program the Clear Channel Alerting feature: Enter
the program code 24 followed by the # key, and then
either 1 (enable) or 0 (disable) followed by the # key .

Example: To enable Clear Channel Alerting press:

2 4 # 1 #.

Note: 24 # 0 # disables this function

4.2.11 Radio-Kill

This programming code is used to reactivate a Portable
Radio that has been remotely disabled with the Radio­Kill function from the ST-852M.

Example: T o re-activate a Portable Radio press:

2 5 # 0 #.

4.2.12 Memory Speed Dial Programming

This program code controls a subscriber’s ability to
program speed dial numbers. If enabled, the subscriber
can program speed dial numbers using the Portable
Radio’s keypad. If it is disabled, the subscriber can not
program speed dial numbers. This does not prevent a
subscriber from speed dialing if numbers have been
programmed. The System Operator/Manager can pre­program some memory speed dial numbers for the sub­scriber, and then disable the Memory Speed Dial Pro­gramming. The subscriber can then call the System
Operator/Manager’s programmed numbers.

T o program the Memory Speed Dial Programming fea­ture: Enter the program code 26 followed by the # key ,
and then either 1 (enable) or 0 (disable) followed by the
# key.

Example: T o disable Memory Speed Dial

Programming press: 2 6 # 0 #.

38

4 • ST-865M3 Programming

4.2.13 Conventional Operating Mode

This program code enables or disables the ability of the
radio to operate in conventional mode on non SmarTrunk
channels.

To program this function: Enter the program code 23
followed by the # key , then enter 0 or 1 followed by the
# key . "0" disables the conventional operation capabil­ity, "1" enables the capability. Non SmarTrunk chan­nels should be programmed as required using normal
radio programming procedures.

Example: To enable conventional operation

capability press: 23 # 1 #.

39

Model ST-865M3 SmarTrunk II ™ Logic Board

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40

APPENDIX A • PROGRAMMING WORKSHEET

Feat ure Factory

*Number of Trunking Channels 10# data # 4
*Primary Code 12# data # 0000
*Secondary Code 13# data # 0000
*Priority Subscriber Enable 14# 0# (off) off

*Five Digit Access Code 16# data # data # 12345
Return to factory default values 19# ——
*Trunking System ID Number 20# data # 00
*Automatic PTT Mode 21# 0# (off) off

*Emergency Call Override 22# 0# (off) off

*Clear Channel Alerting Mode 24# 0# (off) off

*Radio-Kill 25# 0# (active) active

*Memory Speed-dialing 26# 0# (off) on

Programming

*Conventional Operating 23# 0# (No conv. operation) off

Programming

Sequence

14# 1# (on)

21# 1# (on)

22# 1# (on)

24# 1# (on)

25# 1# (disabled)

26# 1# (on)

23# 1# (Conv. mode enabled)

Default

Val ue

Used

Note: Items marked with an asterisk (*) require information fron the System

Operator/Manager prior to programming.

See Section 4.2 for specific information.

Radio Model Number:
Radio Serial Number:

41

Model ST-865M3 SmarTrunk™ Logic Board

Radio

Channels

Channel #1 Channel #11

Channel #2 Channel #12

Channel #3 Channel #13

Channel #4 Channel #14

Channel #5 Channel #15

Channel #6 Channel #16

Channel #7 Channel #17

Channel #8 Channel #18

Channel #9 Channel #19

Channel #10 Channel #20

Transmit

Receive

CTCSS

Radio

Channels

Transmit

Receive

CTCSS

42

APPENDIX B • CROSS REFERENCE CHART

Motorola / SmarTrunk Systems Part Number

Cross Reference Chart

Item Motorola P/N SmarTrunk

ST-865M3 Kit (1ea.) PMLN4066A 502-4500
ST-865M3 Kit (10ea.) PMLN4067A 502-4505
ST-865M3 Manual 68P04370J43 502-4501
ST-865M3 User Card 68P04370J42 502-4506

ST-852M Controller ADN6032A 502-0820
ST-852M Manual 6880904Z14 502-0821

Systems P/N

43

Model ST-865M3 SmarTrunk™ Logic Board

Notes:

44