Sun-Tech ST310U User manual

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JH KIM
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Operation Manual
ST310U
Suntech International Ltd.
CONFIDENTIAL DOCUMENT
This document belongs to intellectual property of Suntech
International Ltd. and shall neither be copied nor be given to any
3rd partie(s) without prior written consent from the company.
DO NOT MAKE ANY COPIES

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Table of Contents
1. Introduction........................................................................................................................................ 5
2. Overview............................................................................................................................................. 6
2-1. Operation modes......................................................................................................................... 6
2-2. Reports sent by device................................................................................................................ 6
2-3. Parameter change........................................................................................................................ 7
2-4. Features ....................................................................................................................................... 7
3. Communication string format........................................................................................................... 9
3-1. Command format......................................................................................................................... 9
3-2. Report format............................................................................................................................... 9
4. Configuration ................................................................................................................................... 10
4-1. Network parameters .................................................................................................................. 10
4-2. Reporting parameters ............................................................................................................... 12
4-3. Event Parameters ...................................................................................................................... 13
4-4. GSM Parameters for SMS Messaging / Phone Calling............................................................ 16
4-5. Parameters for various features............................................................................................... 17
4-6. Voltage control parameters ...................................................................................................... 19
4-7. Motion sensor parameters........................................................................................................ 20
4-8. Circular geo-fencing parameters.............................................................................................. 21
4-9. Additional Parameters (TCP/UDP Parameters)........................................................................ 22
4-10. New Parameter Setting............................................................................................................ 25
4-11. Backup Battery Shutdown Parameter.................................................................................... 27
5. Reporting to Server.......................................................................................................................... 29
5-1. Status Report............................................................................................................................. 30
5-1-1. Normal......................................................................................................................................................30
5-1-2. Zip.............................................................................................................................................................31
5-2. Emergency Report..................................................................................................................... 33
5-2-1. Normal......................................................................................................................................................33
5-2-2. Zip.............................................................................................................................................................34
5-3. Event Report.............................................................................................................................. 36
5-3-1. Normal......................................................................................................................................................36
5-3-2. Zip.............................................................................................................................................................36
5-4. Alert Report................................................................................................................................ 38
5-4-1. Normal......................................................................................................................................................38
5-4-2. Zip.............................................................................................................................................................40
5-5. Keep-Alive Report...................................................................................................................... 42
5-5-1. Normal......................................................................................................................................................42
5-5-2. Zip.............................................................................................................................................................42
5-6. Status String Reporting via SMS.............................................................................................. 43
5-6-1. In case of Back-up method ....................................................................................................................43
5-6-2. In case of Main method ..........................................................................................................................43
5-7. Location query sent via smart phone....................................................................................... 44
6. Command for general use............................................................................................................... 45
6-1. Common parts of this command.............................................................................................. 45
6-2. Requesting Status..................................................................................................................... 45
6-4. Pre-setting.................................................................................................................................. 45

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6-5. ACK of Emergency.................................................................................................................... 47
6-3. Re-setting (Restoring to factory defaults and Rebooting)...................................................... 47
6-6. Enable1 (‘Activating Output 1’)................................................................................................. 48
6-7. Disable1 (‘Inactivating Output1’) .............................................................................................. 48
6-8. Requesting IMSI......................................................................................................................... 49
6-9. Requesting ICCID ...................................................................................................................... 49
6-10. Requesting Version................................................................................................................. 49
7. Command for non-general use ....................................................................................................... 50
7-1. Erase All..................................................................................................................................... 50
7-2. Initialize Traveled Distance....................................................................................................... 50
7-3. Setting Traveled Distance......................................................................................................... 50
7-4. Initializing Message Number..................................................................................................... 51
7-4. Setting Hour-Meter .................................................................................................................... 51
7-5. Initialize Circular Geo-fence...................................................................................................... 51
7-6. Requesting Circular Geo-fence ................................................................................................ 51
7-7. Requesting Own Phone Number .............................................................................................. 52
7-8. Setting Own Phone Number ..................................................................................................... 52
7-9. Command to Reboot ................................................................................................................. 53
7-10. Setting ImproveBatteryLife..................................................................................................... 53
7-11. Request ImproveBatteryLife................................................................................................... 53
7-12. Command on How to Restart Anti-Theft 2............................................................................. 53
7-13. Command on How to Set SMS Number for Panic Situation ................................................. 54
7-14. Requesting SMS Number Used in Panic Situation................................................................ 54
7-15. Command to Set Google Map Address.................................................................................. 54
7-16. Command to Get Google Map Address.................................................................................. 55
7-17. Testing Output 1 for 30 seconds. ........................................................................................... 55
7-18. Testing Output 1 for 60 seconds. ........................................................................................... 55
8. Detailed Description on Event Lines and Features ....................................................................... 56
8-1. Total 5 pin Event Lines.............................................................................................................. 56
8-1-1. Immobilizer..............................................................................................................................................56
8-1-2. Alert of Buzzer.........................................................................................................................................57
8-2. Indication with Two (2) LEDs.................................................................................................... 58
8-2-1. Red LED for GPS.....................................................................................................................................58
8-2-2. Blue LED for GPRS.................................................................................................................................58
8-3. Power Saving............................................................................................................................. 59
8-4. Backup Battery.......................................................................................................................... 60
8-5. Motion Sensor............................................................................................................................ 60
8-6. Protection of Vehicle Battery.................................................................................................... 61
8-7. Anti-Theft ................................................................................................................................... 62
8-8. Storage of Reports un-sent....................................................................................................... 65
Revisions.............................................................................................................................................. 66

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Disclaimer
We, at Suntech, announce that this document and all other related products (i.e. device, firmware, and software)
have been developed by the company, Suntech International Ltd., which is hereinafter referred to as “Suntech”.
The information in this manual is believed to be accurate and reliable at the time of releasing. We, at Suntech, also
assume no responsibility for any damage or loss resulting from the use of this manual, and expressly disclaim any
liability or damages for loss of data, loss of use, and property damage of any kind, direct, incidental or
consequential, in regard to or arising out of the performance or form of the materials presented herein or in any
software program(s) that may accompany this document. When this document is released, it is most compatible
with a specified firmware version. Now that the functionalities of the devices are being developed and improved
continuously from time to time by Suntech, any alteration on the protocol, the firmware functions, the hardware
specifications of the product is subject to change without prior notice.
Copyright
We, at Suntech, notify that Suntech holds all parts of intellectual rights applicable in the copyright laws in all the
countries. The information contained in this document cannot be reproduced in any form without prior written
consent made by Suntech. Any software programs that might accompany this document can be used only in
accordance with any license agreement(s) between the purchaser and Suntech.
Warning
Our customers are required to be aware that connecting the wire inputs can be hazardous to both of the installer
and your vehicle’s electrical system(s) if not done by an experienced installer. This document assumes you are
aware of the inherent dangers of working in installing the device on the vehicle(s) and the machinery.
Document Amendments
Please be advised that, for the firmware version column with specific firmware number, any modification(s) on the
comments column should be done on this corresponding firmware version (and the versions thereafter). Please
make sure you upgrade the firmware to the specified version before applying any changes made in this protocol.

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1. Introduction
The ST300 is a vehicle tracking and controlling device. It is designed to collect location data through GPS
technology, various vehicle conditions through event lines, and interact remotely with its server by using
GSM/GPRS technology.
In order to make the vehicle tracking system work, device should be configured and installed properly on a vehicle
whose geographical position and/or state is desired to be remotely monitored and/or controlled.
Following this “Introduction Chapter”(i.e. Chapter 1.), the Operation Manual is organized as below.
Chapter 2. Overview
This chapter covers fundamental features of the device.
Chapter 3. Communication string format (‘Command’and ‘Report’)
This chapter gives descriptions on the two (2) formats, Command (all the formats received by device) and Report
(sent from the device).
Chapter 4. Configuration
This chapter gives users explanation on how and what parameters are required to be set in configuring
device.
This manual describes setting commands which can be sent with following three options;
- Option 1 : Setting by PC
- Option 2 : Setting by GPRS
- Option 3 : Setting by SMS
Practically special program (named as “SyncTrack”) is used for setting. It enables setting much easier
and multi-setting possible in PC environments.
Chapter 5. Reporting to server
This chapter covers when and what reports are sent back to the server by device.
Chapter 6. Checking/Changing the current settings
This chapter describes how user can check current settings of the device and how user can change the ‘pre-
defined’ parameters.
Chapter 7. Detailed description on event lines and special features
This chapter gives users detailed information on key features of the device and on how to operate the device if the
events occur after configuring the parameters related to such events.
Please note that this ‘Operation Manual’is for a standard model. In case specific requirements are incorporated
into this manual, such a manual applies only for the case.
For overall operation including installation, in addition to the ‘Operation Manual’, users should refer to other
documents such as Installation Manual, Technical Data Sheet, Firmware OTA (over-the-air) Manual, Buyer Change
Guide, Trace Log, Assembly Guide and so on.

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2. Overview
Main function of device installed on a vehicle is to report vehicle location and status to its monitoring server at pre-
defined interval and to deliver command coming from the server for activating any appliance connected to the
device.
2-1. Operation modes
The device works in one of the three (3) operation modes below.
Driving mode:
This mode starts when ‘Ignition’ of the vehicle is ON.
Parking mode:
This mode is operational when ‘Ignition’ is OFF for duration longer than the pre-defined time (‘T1’).
In parking mode, the device can get into special modes for power saving like ‘Sleep mode’ and ‘Deep
sleep mode’. These power saving modes are described in more details in this document.
Emergency mode:
This mode works either when panic button is ON or when one of any pre-defined events occurs.
2-2. Reports sent by device
There are 8types of report/ response sent by device to the server as follows:
Status report (made in string / made in zip),
Status string report (made in string) sent via SMS
Emergency report,
Event report,
Keep-alive report,
Alert (**),
Note (**): In addition to the reports periodically sent to the server as described above, device also sends
some alerts. For instance, device sends the server such an alert if the vehicle moves under the parking
mode or if the connected Input Line is changed.
Suntech can also increase this capacity up to a certain level if a customer of the device wants to do so. As soon as
the reporting condition for the device is recovered, the device starts sending all those accumulated reports
according to the following rule:

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- Emergency (the most important) Command Response Alert Status ReportAlive (the lowest priority)
This means that the emergency report is the first one that should be sent right after the GPRS network condition is
recovered.
2-3. Parameter change
Parameters which have already been set on the device can be changed via GPRS or via SMS or via RS232
connected with PC if a user needs to do so. Some controlling functions can also be implemented in the same way.
How to change values of the current parameters is described in detail in Chapter 4 of this document.
2-4. Features
Key features of the ST310 device are as follows:
- Power Saving Modes( = Power Down Modes)
- LED Indicators
The LEDs indicate GPRS and GPS status. It is helpful to check what error(s) and why such an error has
occurred.
- Event Lines
Device has 1 output line, 1 input line.
- Upgrading Firmware by Over The Air (Firmware OTA)
In case ‘firmware’ of the device has an (some) error(s) or needs to be upgraded to provide the user with
newly implemented services, the device can upgrade its internal ROM file by over the air (Firmware OTA),
remotely via GPRS. The users do not need to visit the vehicle individually to download the new firmware on
those vehicles.
How to do OTA is described in detail in the “SunTech_OTA_UA_Protocol” document.
- Parking Lock
Device is able to check if the vehicle moves away from the pre-defined parking boundary or starts moving
without having a mode of the ignition on. In case the device recognizes such an unauthorized moving or
driving, it sends an emergency report immediately.
- Over speed
Device checks speed of the vehicle and sends to the server an alert if the vehicle runs faster than the pre-
defined over-speed threshold values.

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- Checking Connectivity of GPS Antenna
Device alerts when GPS antenna is disconnected. It is applicable only to the device models which have the
external antenna.
- Checking Status of Main Power Source
Device recognizes its connectivity with the main power source (i.e. vehicle’s battery) and is able to inform
the server about status on whether or not the main power line is disconnected. The device is also able to
inform the server about the voltage level status of the main power source and informs the server in case the
voltage level of the main power source drops down below the pre-set value. This function is applicable to
battery-installed device models only.
- Alerting Battery Error
Device sends an alert when a battery charging error occurs. This function is applicable only to the device
models available with back-up battery.

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3. Communication string format
All the communication messages exchanged between device and its server should be in the form of STRING as
described below. Each ‘Report’can be compressed in ZIP. Every ‘Filed’is separated with semicolon. All the report
string triggered by device ends with a mark, ‘＼r’ (0x0d).
3-1. Command format
The following format is used when the server sends command message to the device(s) as shown in the below
table. The “Value”(or Indicating Mark) and its “Meaning”are described individually.
The parts consisting of ‘Fields’are capitalized for naming like:
“HDR”stands for the header, ‘DEV_ID’for device’identification number, “VER”for version, Field 1, Field 2, etc.
HDR
DEV_ID
VER
Field 1
Field 2
…
Field n
Field
Value (or Mark)
Meaning
HDR
String
“ST300” + Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version. This is fixed with “02”.
Field 1 ~ n
String
Contents
The ‘Device ID’ is a unique number that each device should have. It is equal to the last 9 digits of IMEI numbers
shown on the back label of the device. Whenever the server sends a command message, it designates a specific
device along with the unique identification number of the device as a command receiver. And then, the device
recognizes a fact that it has received the command message and responds to the server with a relevant response
or a relevant action to be taken. This is how a normal communication is made between the server and its device.
On the other hand, sometimes, a very bad GPRS connection between a device and the server may consequently
bring about a bad result that the specified command message would be delivered NOT to the targeted device BUT
to other device. In such a situation, the wrong device does not accept the command message because the device
ID number of the message does not match the ID number of the wrong device.
However, we might consider a situation in which a command message is delivered to a device via RS232. In such
a situation the device accepts the command message even though the device ID number of that command
message is NOT its own one.
3-2. Report format
The contents of the following table show what messages and how they are delivered to the server in response to
the command that the server has sent to the device(s) by requesting the device(s) to respond with.
HDR
DEV_ID
SW_VER
Field 1
Field 2
…
Field n
Field
Value (or Mark)
Meaning
HDR
String
“ST300” + Report type
DEV_ID
9 char.
Device ID
SW_VER
“001”
Software version that the device has.
Field 1 ~ n
String
Contents

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4. Configuration
Before a device starts being operated, its parameters should be set first. This chapter shows the string to be sent to
device.
There are 3 options of sending string.
Option 1: by using PC
Option 2: by using GSM/GPRS network
Option 3: by messaging via SMS
In practice, configuration can be made more efficiently with ‘SyncTrak’, i.e. a setting tool provided by Suntech.
Once a device receives a command from the server, it gets back to the server with a relevant response. Device
also changes some parameters (if it is required to do so) or takes an action as instructed below as per the
command sent by the server.
4-1. Network parameters
The following table shows how and what parameters are required to be set so that the device can be connected
with network. As shown in the bottom part of this table, an ‘<Example>’of ‘[command]’and ‘[response]’are made in
string respectively when the configuration for the networking is completed.
HDR
DEV_ID
VER
AUTH
APN
USER_ID
USER_PWD
SEVER_IP
SEVER_PORT
B_SEVER_IP
B_SEVER_PORT
SMS_NO
PIN_NO
Field
Marks
Value
Meaning
HDR
“ST300NTW”
Command type of Header
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
AUTH
‘0’/‘1’/’A’
GPRS authentication
0 : PAP(‘NO’in ‘SyncTrak’)
1 : CHAP(‘YES’in‘SyncTrak’)
A: Automatic GPRS set.
In this case, parameters for APN, USER_ID and
USER_PWD field should remain empty.
APN
String
Access Point Name
USER_ID
String
ID for GPRS Access
USER_PWD
String
Password for GPRS Access
SEVER_IP
String
Server IP Address
SEVER_PORT
String
Server Port
B_SEVER_IP
String
IP Address of Backup Server
B_SEVER_PORT
String
Port of Backup Server
SMS_NO
String
Phone number that will receive the SMS report sent by the
device.

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This can be used for backup in the area where GPRS
condition is not good. Or, it can be used as a main report
receiver when IP and Port are unavailable. If it is not used, it
should remain empty.
PIN_NO
String
PIN Number to release PIN lock if it is enabled
<Example>
[command] ST300NTW;100850000;02;0;internet;;;111.111.111.111;8600;;;;
[response] ST300NTW;Res;100850000;010;0;internet;;; 111.111.111.111;8600;;;;
ST300NTW;Res;100850000;010;A1;tim.br;tim;tim; 111.111.111.111;8600;;;;
<Note>:
** If network does not require User ID and Password, these fields should remain empty.
Automatic Setting for GPRS Network
If you set the device to ‘Automatic GPRS Set’, the device will automatically set the parameters for GPRS with
the data available on the inserted SIM card.
For instance, if Airtel SIM is inserted, the device will set ‘AUTH’to ‘0’, ‘APN’to ‘airtelgprs.com’, ‘USER_ID and
USER_PASS’to empty respectively.
And then, the device reports response string after adding real GPRS parameters, if ‘Automatic GPRS Set’is
selected.
DNS
Server_IP and B_SERVER_IP field can be filled with direct IP address (for example 111.111.111.111) or
domain name (for example, suntechint.com). If this field is written by domain, the device will find real IP address
by DNS and sends reports to IP address.

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4-2. Reporting parameters
Device responds to the command(s) with the relevant report or response periodically at a time interval or at a
travelled distance interval of the vehicle that has already been pre-defined by user. Such are response sent back to
the server includes SMS message (if the device user has already configured SMS messaging functionality). The
following table shows how to set those parameters.
In bottom part of the table, the following table also shows how and what parameters should be set to utilize
functions like:
‘Angle Report’, that is used for displaying the historic path more accurately or saving network cost while
the vehicle is driving on straight roads for long time, and
‘FIFO’ or ‘LIFO’, that should be selected to determine a sequential order if buffer of the device is
completely full of reports. For more information, have a look at the description made in the bottom part of
the table below.
HDR
DEV_ID
VER
T1
T2
T3
A1
SND_DIST
T4
SMS_T1
SMS_T2
SMS_PACK_NO
Field
Marks
Value
Meaning
HDR
“ST300RPT”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
T1
String
Sec
Interval to be set to send a Status Report in parking mode:
Range : 0 ~ 86400
If 0, a report in parking will be sent only one time when
vehicle starts being parked.
T2
String
Sec
Interval to be set to send a Status Report in driving mode:
Range : 0 ~ 60000
If 0, a report in driving will be sent only one time when
vehicle starts driving.
T3
String
Sec
Interval to be set to send a Status Report in emergency
mode:
Range : 0 ~ 9999
If 0, an emergency report will be sent only one time when an
emergency state occurs.
A1
String
Number of attempts to send an emergency report until the
device gets acknowledgement from the server:
If 0, no Emergency Report will be sent.
If 65500, unlimited report until get ACK from Server.
SND_DIST
String
Meter
Distance interval to be set when the device sends a Status
Report:
Range : 0 ~ 60000 (60km)
If 0, a Status Report on traveled distance is disabled.
If not 0, a Status Report is sent when traveled distance
reaches the predefined SND_DIST.

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T4
String
Sec
Interval to be set to send a Keep Alive string.
Range: 0 ~ 65500
SMS_T1
String
Min
Interval to be set to send a Status Report in parking mode
Range: 0 ~ 99999
SMS_T2
String
Min
Interval to be set to send a Status Report in driving mode
Range: 0 ~ 99999
SMS_PACK_NO
String
Report No in one SMS message
Range: 0 ~ 5
<Example>
[command] ST300RPT;100850000;02;180;120;60;3;0;0;0;0;0
[response] ST300RPT;Res;100850000;010;180;120;60;3;0;0;0;0;0
<Note>:
** If a reporting interval is set with a big number, the network may disconnect GPRS connection because GPRS
communication does not make a progress for a long time. So, the device may not receive the command via
GPRS. “T4”will be used to prevent such a disconnection by sending a short data for short time.
** The ‘Keep Alive’ report is sent only when the device has no data to be sent for the time of the interval ‘T4’.
4-3. Event Parameters
In order to set these parameters properly, read carefully the contents and <Example> along with <Note> described
in the bottom inside the table below.
HDR
DEV_ID
VER
IGNITION
T1
T2
IN1_TYPE
IN2_TYPE
IN3_TYPE
IN1_CHAT
IN2_CHAT
IN3_CHAT
OUT1_TYPE
OUT2_TYPE
OUT1_ACTIVE
OUT2_ACTIVE
PULSE1_NO
PULSE1_ON
PULSE1_OFF
PULSE2_NO
PULSE2_ON
PULSE2_OFF
IN4_TYPE
IN5_TYPE
IN4_CHAT
IN5_CHAT
BAUD
Field
Marks
Value
Meaning
HDR
“ST300EVT”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
IGNITION
‘0’ ~ ‘3’
Ignition using state:
0 : Not use ignition
1 : Use ignition Line
2 : Virtual ignition(power)
3 : Virtual ignition (motion)
T1
String
Sec
Delay in entering parking mode after ignition goes to OFF
T2
String
Sec
Delay in entering driving mode after ignition goes to ON

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IN1_TYPE
‘0’~ ‘13’
0 = Falling Edge
1 = Rising Edge
2 = Both Edge (Falling & Rising)
3 = Panic Button
7 = Anti-Theft Button
11 = Door Sensor
12 = Ignition Line
13 = Disable Immobilizer if it’s activated by jammer Detector
15 = Anti-Theft Button 2
Default = ‘2’.
IN2_TYPE
‘0’ ~ ‘15’
0 = Falling Edge
1 = Rising Edge
2 = Both Edge (Falling & Rising)
3 = Panic Button
7 = Anti-Theft Button
11 = Door Sensor
13 = Disable Immobilizer if it’s activated by jammer Detector
15 = Anti-Theft Button 2
Default = ‘3’.
IN3_TYPE
This device does not have INPUT3
IN1_CHAT
String
100ms
Input1 chattering time.
Range : 0 ~ 9999
Default = 3 sec.
If 0, input1 is not checked.
IN2_CHAT
String
100ms
Input2 chattering time.
Range : 0 ~ 9999
Default = 2 sec.
If ‘0’, the input2 is not checked.
IN3_CHAT
String
100ms
This device does not have INPUT3
OUT1_TYPE
‘0’ ~ ‘5’
0 = GPIO
1 = immobilizer
3 = Pulse
5 = Buzzer
OUT2_TYPE
This device does not have OUTPUT2
OUT1_ACTIVE
‘0’ or ‘1’
0 = Open when out1 is active
1 = GND when out1 is active
OUT2_ACTIVE
This device does not have OUTPUT2
PULSE1_NO
String
Pulse number when the out1 type is set to pulse.
Range : 0 ~ 9999
If Pulse Number is 9999, pulsing runs permanently.
PULSE1_ON
String
100ms
Active time of Pulse1:
Range : 0 ~ 9999
It should be set with an even number.
PULSE1_OFF
String
100ms
Inactive time of Pulse1:
Range : 0 ~ 9999
It should be set with an even number.
PULSE2_NO
This device does not have OUTPUT2
PULSE2_ON
This device does not have OUTPUT2

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PULSE2_OFF
This device does not have OUTPUT2
IN4_TYPE
This device does not have INPUT4
IN5_TYPE
This device does not have INPUT5
IN4_CHAT
This device does not have INPUT4
IN5_CHAT
This device does not have INPUT5
BAUD
This device does not have RS232.
<Example>
[command] ST300EVT;100850000;02;1;60;0;3;2;2;30;20;20;1;0;1;0;0;0;0;0;0;0;0;0;0;0;0
[response] ST300EVT;Res;100850000;010;1;60;0;3;2;2;30;20;20;1;0;1;0;0;0;0;0;0;0;0;0;0;0;0
<Note>:
** If IGNITION is set to ‘0’, the device doesn’t check driving or parking state of the vehicle. It always reports
status string under parking mode, and cannot support Parking Lock and the Service which enters Sleep or Deep
Sleep automatically when the vehicle is parked.
** If IGNITION is set to ‘2’, the device checks driving or parking state of the vehicle with voltage range of
vehicle’s battery. We named it as ‘Virtual Ignition’. Virtual ignition runs when the device installed on a real
vehicle and it may need to adjust the voltage range for special vehicle. For setting method, please refer to 6.3 of
this document.
** “IGNITION” should be selected to “Not Use Ignition” if “IN1_TYPE” = 12.
** In case of pulse, pulse time may have tolerance about dozens of ms.

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4-4. GSM Parameters for SMS Messaging / Phone Calling
In order to set these parameters properly, read carefully the contents and <Example> along with <Note> described
in the bottom inside the table below.
HDR
DEV_ID
VER
SMS_LOCK
SMS_MT1
SMS_MT2
SMS_MT3
SMS_MT4
IN_CALL_LOCK
CALL_MT1
CALL_MT2
CALL_MT3
CALL_MT4
CALL_MT5
CALL_MO1
CALL_MO2
Field
Marks
Value
Meaning
HDR
“ST300GSM”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
SMS_LOCK
‘0’ or ‘1’
Lock of Receiving Commands by SMS
Disable (0) / Enable (1)
If enabled, only the commands which have been
received from SMS_MT1 ~ MT4, their number(s) can be
accepted.
SMS_MT1
String
Up to 20 char.
Phone number for SMS commands
SMS_MT2
String
Up to 20 char.
Phone number for SMS commands
SMS_MT3
String
Up to 20 char.
Phone number for SMS commands
SMS_MT4
String
Up to 20 char.
Phone number for SMS commands
IN_CALL_LOCK
‘0’ or ‘1’
Lock of Incoming Call
Disable (0) / Enable (1)
If enabled, only a call number which have been received
from CALL_MT1 ~ MT5 can be accepted.
CALL_MT1
String
Up to 20 char.
Phone number for calling
CALL_MT2
String
Up to 20 char.
Phone number for calling
CALL_MT3
String
Up to 20 char.
Phone number for calling
CALL_MT4
String
Up to 20 char.
Phone number for calling
CALL_MT5
String
Up to 20 char.
Phone number for calling
CALL_MO1
String
Up to 20 char.
Phone number for outgoing call from device
CALL_MO2
String
Up to 20 char.
Phone number for outgoing call from device
<Example>
[command] ST300GSM;100850000;02;0;;;;;0;;;;;;;
[response] ST300GSM;Res;100850000;010;0;;;;;0;;;;;;;
<Note>
** When SMS or Call numbers are not set, that field should be empty.

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4-5. Parameters for various features
In order to set these various parameters properly, read carefully the contents and <Example> along with <Note>
described in the bottom inside the table below. In setting a new device, the ‘SyncTrak’will show you detailed
explanation on how to set parameters relating to these ‘Fields’.
HDR
DEV_ID
VER
PARKING_LOCK
SPEED_LIMIT
PWR_DN
CON_TYPE
ZIP
GROUP_SEND
MP_CHK
ANT_CHK
BAT_CHK
M_SENSOR
CALL
GEO_FENCE
DATA_LOG
Field
Marks
Value
Meaning
HDR
“ST300SVC”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
PARKING_LOCK
‘0’ or ‘1’
Parking lock enable (1) / disable (0):
If 1, the device periodically checks vehicle position under
parking status. When the vehicle goes off some boundary or
starts moving faster than the predefined velocity, the device
reports the Parking Lock Emergency.
SPEED_LIMIT
String
Km/h
Over speed limit:
If 0, the device does not check the over-speed.
If 1 and if the vehicle runs faster than the over predefined
value, the device reports an alert once.
PWR_DN
‘0’ ~ ‘2’
Power saving type:
0 : Disabled sleep and deep sleep service
1 : Enabled deep sleep
2 : Enabled sleep
CON_TYPE
‘0’or ‘1’
Connection Type with Server:
0 = KEEP_CON
1 = KEEP_DISCON
Detail explanation is below.
ZIP
‘0’or ‘1’
Use Zip
Disable (0) / Enable (1)
GROUP_SEND
‘0’or ‘1’
Group Send for stored data:
0 : Disable
1 : Enable. One packet can include up to 5 reports.
The ‘Group Send’function is explained below.
MP_CHK
‘0’ or ‘1’
Checking Main Power Disconnection:
Disable (0) / Enable (1)
ANT_CHK
‘0’ or ‘1’
GPS Antenna Connection Error Check:
Disable (0) / Enable (1)
BAT_CHK
‘0’ or ‘1’
Backup Battery Error Check:
Disable (0) / Enable (1)

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M_SENSOR
‘0’~’7’
Motion Sensor
Motion
Collision
Shock
0
Disable
Disable
Disable
1
Enable
Disable
Disable
2
Disable
Disable
Enable
3
Enable
Disable
Enable
4
Disable
Enable
Disable
5
Enable
Enable
Disable
6
Disable
Enable
Enable
7
Enable
Enable
Enable
CALL
‘0’or ‘1’
Support Call with headset:
Disable (0) / Enable (1)
GEO_FENCE
‘0’or ‘1’
Support Geo-fence:
Disable (0) / Enable (1)
DATA_LOG
‘0’or ‘1’
This parameter is not used now.
But you can get all the stored data log from the device by
using the SyncDown program and Setting cable.
<Example>
[command] ST300SVC;100850000;02;1;120;0;0;0;0;1;1;1;0;0;0;0
[response] ST300SVC;Res;100850000;010;1;120;0;0;0;0;1;1;1;0;0;0;0
<Note>:
** Function of M_SENSOR can be used with the model that has motion sensor.
If shock or collision detection is enabled and if there is shock or collision on the vehicle, the device sends a
report to the server.
** If these parameters are customized for your device, please follow the instructions customized for you instead
of using this table.
CON_TYPE
1. KEEP_CON: Device always keeps TCP connection and can receive a command via GPRS.
2. KEEP_DISCON: Device maintains TCP connection while the device is sending the data to the server.
Within 3 minutes after sending all the data that the device has been keeping, the device disconnects
GPRS and TCP connection as there is no data to be sent any more inside the device. In this case, the
device cannot receive a command via GPRS.
Group Send
Device stores data if the vehicle is in ‘no GPRS area’. And, the vehicle moves to GPRS available area, device
starts sending the stored data.
If the ‘Group Send option’is enabled, the device sends the server5 reports at one time as one bundle.
The ‘Group Send’is useful to speed up sending.
M_Sensor
1. Collision: Device sends an event report when ignition is ON and the vehicle moves.
2. Shock: Device sends an event report when ignition is OFF and the vehicle moves.

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4-6. Voltage control parameters
In order to set these parameters properly, read carefully the contents and <Example> along with <Note> described
in the bottom inside the table below. In setting a new device, the ‘SyncTrak’will show you detailed explanation on
how to set parameters relating to these ‘Fields’.
HDR
DEV_ID
VER
CHR_STOP_THRES_12
CHR_STOP_THRES_24
DECIDE_BAT_24
OPERATION_STOP_THRES_12
OPERATION_STOP_THRES_24
IGNDET_H
IGNDET_L
Field
Marks
Meaning
HDR
“ST300MBV”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
CHR_STOP_THRES_12
String
Not used
CHR_STOP_THRES_24
String
Not used
DECIDE_BAT_24
String
Voltage value to check if the vehicle’s battery is 12V or
24V.
OPERATION_STOP_THRES_12
String
Voltage value to protect vehicle battery.
In case of 12 V vehicle, the device stops operation if car
battery voltage gets lower than this value.
OPERATION_STOP_THRES_24
String
Voltage value to protect vehicle.
In case of 24 V vehicle, the device stops operation if car
battery voltage gets lower than this value.
IGNDET_H
String
In case of virtual ignition, the vehicle can recognize driving
state when vehicle power is higher than IGNDET_H.
Default = ‘0’
IGNDET_L
String
In case of virtual ignition, the vehicle can recognize parking
state when vehicle power is less than IGNDET_L.
Default = ‘0’
<Example>
[command] ST300MBV;100850000;02;0;22;19;8.00;18.00;0;0
[response]ST300MBV;Res;100850000;122;0;22;19;8.00;18.00;0;0
<Note>
1. IGNDET_H and IGNDET_L are ‘0’, device check parking and driving automatically.
2. CHR_STOP_THRES_12 and CHR_STOP_THRES_24 parameters are not used in this device.
Charging is stopped every time when vehicle mode changed to Parking.

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4-7. Motion sensor parameters
In order to set these parameters properly, read carefully the contents and <Example> along with <Note> described
in the bottom inside the table below. In setting a new device, the ‘SyncTrak’will show you detailed explanation on
how to set parameters relating to these ‘Fields’.
HDR
DEV_ID
VER
SHOCK_DELAY
MOTION_THRES
SHOCK_THRES
COLL_THRES
Field
Marks
Value
Meaning
HDR
“ST300MSR”
Command type
DEV_ID
9 char.
Device ID
VER
“02”
Protocol Version
SHOCK_DELAY
String
Sec.
Delay in entering shock detection mode after ignition off
0 –Disable
Range : 1 ~ 21600 (5hour)
Recommend: 600 ( 10 min.)
MOTION_THRES
String
Step
Detection level of shock violation.
Range : 0.04 ~ 2.0
Recommend : 0.04
SHOCK_THRES
String
Step
Detection level of shock violation.
Range : 0.04 ~ 2.0
Recommend : 0.04
COLL_THRES
String
Step
Gravity for collision report.
Range : 0.1 ~ 2.0
Recommend : 0.7
<Example>
[command] ST300MSR;100850000;02;600;0.04;0.04;0.7
[response] ST300MSR;Res;100850000;128;600;0.04;0.04;0.70
<Note>
* For the shock level, it is recommended that the user should set to 0.04. If the motion threshold is higher
than0.04, the sensor will be too sensitive to make a proper detection on shock.
The setting values of “ MOTION_THRES < SHOCK_THRES < COLL_THRES ”