Sun-Tech ST940 User manual

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ST940 User Manual
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Features and how to configure ST940
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Personal / Asset Tracker
ST940
User Manual

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Table of Contents
Revision History..............................................................................................................................................................4
1. Introduction .................................................................................................................................................................5
2. Key Features................................................................................................................................................................6
2-1. GSM/GPRS Specifications...............................................................................................................................7
2-2. GPS Specifications...........................................................................................................................................8
2-3. Operational Features........................................................................................................................................9
3. Accessories ...............................................................................................................................................................10
4. How to insert SIM cardby step.................................................................................................................................10
5. Charging battery .......................................................................................................................................................11
6. Appearance................................................................................................................................................................12
7. How to operate ..........................................................................................................................................................12
8. Commands.................................................................................................................................................................16
9. Reporting to server...................................................................................................................................................40
10.Appendices...............................................................................................................................................................47
10.1. Charts of the Fields Reported .....................................................................................................................47
10.2. How to install USB Driver on PC under environment of WINDOW 7.......................................................48
10.3. What to do if PC displays “Alcatel Single RNDIS Interface” ....................................................................50
10.4. How to output GPS NMEA in a form of STRING ........................................................................................51

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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.
Document Amendments
When it comes to the firmware version column with specific firmware number, any amendment(s) on the comments
column should be made on this relevant firmware version (and the versions thereafter). Before applying any changes
made in this protocol, you are required to make sure that you have upgraded the firmware suitable for the specified
version.

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Revision History
Rev. No.
Date
Contents of Revision
FirmwareNumber
reflecting the latest
revision
Author
1.00
11 Aug. 2014
Initial writing
01
SE Park
1.01
17 Aug. 2014
Some Adjustments
Ronaldo
1.02
25 Sep. 2014
Add Alert report ID for Magnet detection.
12
SEPark
1.03
29 Sep.2014
Edit table line.
HGPark
1.04
30 Sep.2014
Changed the displaying type of Battery status from
volt to percent.
13
SE Park
1.05
02 Oct. 2014
Distance / Cell filed position moved
14
SE. Park
1.06
05 Oct. 2014
“TurnOff” command added.
15
SE. Park
1.07
13 Oct. 2014
“PROT_TYPE” command added.
407, 408
Ronaldo
1.08
15 Oct. 2014
Edit “PROT_TYPE” description
Edit the BATTERY_VOLT&DISTANCE position.
409, 410
SE. Park
1.09
16 Oct. 2014
Added“Low Battery” Alert
411, 412
Ronaldo
1.10
20 Oct. 2014
Changed the Alert report and Emergency report field
411, 412
SE. Park
1.11
21 Oct. 2014
Some Adjustments
Changed the PRESET/PRESETALL string format.
413, 414
Ronaldo
1.12
24 Oct. 2014
.Changed the Alert report field format.
.Changed the Emergency report field format
.Removed the “PROT_TYPE”from the Service
Parameter’s field. and added the new command for
“PROT_TYPE”setting.
415~
SE. Park
1.13
29 Oct. 2014
Edited the “ReqCircleGeo”explanation.
Edited the “TurnOff”explanation
415~
SE. Park
1.14
13 Nov. 2014
Added the Appendices
Edited the “Off (Power off)”command explanation
415~
SE. Park
1.15
05 Dec. 2014
Edited the “SMS_NO”explanation
Added the new appendix (GPS NMEA output)
415~
SE.Park
Sam Lee
1.16
21 Jan. 2015
Edited explanation onthe “CARRY_THRES”.
Added the MODE Value of REPORT FILELD
Changed the MCU Version to M01.5
442~
SE.Park
1.17
16 Feb 2015
Added new functions in a case that users do not
utilize functions of the Motion sensor,
Added command that is needed to read the MCU
version
454~
SE.Park

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1.18
03 Apr 2015
Change ‘Idle’to ‘Parking and ‘Active’to ‘Driving’
JK Kim
1.19
19 Jun 2015
Device ID (6Char) Adjustments :
from “123456”to “456789”
SE.Park
1. Introduction
ST940: Personal / Asset Tracking Device
The ST940 with its holderis a waterproof (IP66compliant) hard-cased ultra-mini tracking deviceto be used for various
purposes like an asset tracker or a personal tracker.
Without any efforts for connecting wires, the ST940 (hereinafter referred to as ‘device’) works autonomously with its
built-in battery. If users want to track an object with the ST940, all they have to do is just simply put it into the box or
the carry bag where the object is contained. And then, users can track the locations of such an object and receive an
alert if the object enters or leaves a pre-defined zone.
This non-wiring device is so small that it can be hidden after being placed. So, the waterproof ST940 is suitable for
covert tracking even in rainy weather conditions. The ST940 is ideal for tracking various objects such as people,
vehicles (especially small vehicles or motorcycles), boats and valuable fixed/moving assets like expensive
merchandises, computers, electronic products, machinery and so on.
In addition to 3-axis acceleration sensor, the ST940 has various functionalities suchasultralow-power consumption

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algorithms and motion checking.
*In case the ST940 is placed inside a metal container, it may not work.
2. Key Features
New technology and the latest GPS Chipset
GSM Quad band support 850/900/1800/1900 Mhz bands
SMS/GPRS communications
Report when the battery is in a low status
Periodic reportingin real time
Built-in motion detector for alarming
ST940 with its CradleWaterproof in compliance with IP66
ST940 without its Cradle Waterproof in compliance with IP65
Baby’s palm-sized versatile mini tracker
Fixed asset tracking in real time with Standby Current less than 8uA.

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2-1. GSM/GPRS Specifications
Item
Description
Battery
Rechargeable 3.7V, Li-ion Battery- 1500mAh
Motion Detection
Built-in 3-axis Acceleration sensor
Standby time
Standby Time with GSM “On/Off”
Standby Time with GSM “On”
*with 1,500mA/h Li-ion battery
less than 8uA
Report once a day: 400days
3 minute reporting: 114 hours
5 minute reporting: 162 hours
10 minute reporting: 235 hours
30 minute reporting: 335 hours
*The measurements were made only under good GPS and
GPRS signals.
Frequency/ Sensitivity
GSM 850 / EGSM 900MHz -104dBm
DCS1800 / PCS1900MHz -102dBm
Temperature Range
-20°C ~ +60°C
*Caution !
Please pay a careful attention that the vehicle shall NOT be left
under direct sunlight for long time in hot weather. There is a risk
of battery explosion at hot temperature.
User Interface
Power Button, SOS Button,
Charger Adaptor, Charger & Setting Cable
AT Command
GSM 07.07 , 07.05
LED Indicator
GPRS, GPS, Charging status
GPRS
Multi-slot Class 12
Support all 4 coding schemes
(CS-1, CS-2, CS-3 and CS-4)
‘SyncTrak’ for PC
Mini USB cable
Dimensions
50.5(W) x 75(L) x 22.5(T) mm
55.9(W) x88.3(L) x 35.6(T) mm (with cradle)
Weight
88g,
200g (with cradle)
Approval
CE, FCC, RoHS

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2-2. GPS Specifications
Item
Description
Receiver Type
56-channel U-blox7 engine
GPS & QZSS L1 C/A, GLONASS L1OF,
Galileo* E1B/L1, Compass* ready
SBAS: WAAS, EGNOS, MSAS
Update Rate
10Hz
Accuracy1)
Position 2.5m CEP
SBAS 2.0m CEP
Acquisition2)
TCXO
Cold starts 26s
1s ( AssistNow Autonomous)
Aided start<1s
Hot start<1s
Sensitivity3)
Tracking -162dBm
Reacquisition -160dBm
Cold start -148dBm
Back-up Supply
Voltage range : 2.5V to 3.6V
Antenna type
Patch Antenna
Operating Temperature
-20 ~+80℃
*1) All SV @ –130 dBm
*2) It depends on aiding data connection speed and latency
*3) The 3 figures were measured with a good active antenna.

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2-3. Operational Features
Item
Description
Configuration
either by SMS or PC
Parameter Change
either by SMS or GPRS
Command /Control
either by SMS or GPRS
Reporting
either by GPRS or SMS (as a back-up)
GPRS Communication
TCP/UDP,SMS
GPRS Connection
either always connected or upon needed
Basic Data reported
NMEA location, Speed, Course, GPS signal statusMessage No.,
Accumulated moving (travelling) distance
Data Storage
up to 2,000 locations in case of transmission failure or cost issue
Reporting
Possible to make a cyclic location report at an adjustable intervalonly
when command comes
Back-up Reporting
possible (Dual IP reporting or Backup SMS reporting)
Power down
Sleep on network(less than 2.8mA)
Deep sleep on no network (less than 8uA):
How to upgrade
Firmware
by OTA (Over-The-Air ) or PC tool.

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3. Accessories
The ST940 has two accessories:
Wall Charger
USB Cable (for charging and setting)
4. How to insert SIM cardby step
There are 5 steps in inserting a SIM card into the ST940 as shown below in the pictures.
Step 1.:Please, unscrew SIM cover. Step2.:Please, insert SIM #1.
Step 3: Please, insert SIM #2. Step 4.: Please, insert SIM #3
Step 5.:Please,make an assembly withtheSIM cover.

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5. CHARGING BATTERY
It is highly recommended that the rechargeable battery should be charged completely before using the
device.Connectthe ST940 to its charger cable supplied by Suntech and charge it for 7 hours.
< Charging Statusindicated on the battery LED >
Red blinkingtwice:under 10% of the full capacity
Red blinking:under 30% of the full capacity
Orange blinking:30% to80%
Green blinking:Almost charged
Green lighting:Completely charged
<Status of Charging Mode indicated on the battery LED>
As soon as the charger is connected with the device which has been turned off, the GPS LED will be turned on and
continue
<Charging Error>
When an error occurs while the battery is being chargedthe red LED and the green LED blink by turns.
In this case, please disconnect the charger cable and tryto do charging again by reconnecting the cable.
If this error occurs continuously, please replace the battery or contact Suntech.
<Caution!!>
The ST940 (device) should be charged by using the USB cable that Suntech provides the user with. In such a case,
however, Suntech does not guarantee that charging the device can be done completely. It is highly recommended that
the users, in charging the device, should use the battery charger provided by Suntech.

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6. Appearance
7. How to operate
The ST940,a multifunctional battery-powered mini GPS tracker, is ideal for tracking personnel, valuable assets like
merchandises that are delivered by putting it onto anobject.
While tracking, it reports locationinformation about the object at apredefinedinterval and alerts if it detects motion of
the object. Because itis powered by battery, its user should charge the battery fullyprior to using and should turn it off
when tracking is finished.
Users are required to set the reporting timing of the device at an intervalwithmore than 10 minutes in order to save the
endurance time of the battery.

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Power
Turn On
If you press POWER button for more than 3 seconds, the device will be turned on.
When the power is on, LEDs blink as below.
Turn Off
If you press the POWER button till all of the LEDs are turned on, the device goes to
shutdown. After the power is turned off, no LED blinks or lightens.
Charging Mode
Turn On
As soon as a device in a status of power off is connected with a charger, only charging the
device starts being processed. But, GSM session does not work. GPS LED is on. The
battery indicator continuously blinks.
If you press ‘power button ’of the device for more than 2 seconds in a mode of charging, the
device will turn to be in a mode of normal operation.
Device might be in an operational mode using its built-in battery. While this device is
being charged and if you press the ‘power button’of this device for more than 2 seconds, the
mode of the device will change to a charging a mode.

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Red LED
GPS status indicator
Right after the device is turned on, the red LED starts to blink as below. Five (5) minutes after
the red LED starts to blink, it is turned off automatically to save battery. If you press the power
button again, the red LED will be on just for short time, for some seconds, to show you the
current status of the GPS connectivity.
Fixed : 1 time
No fixed: 2 times.
GPS error: 4 times.
Exclusive Mode of Battery Charging
The red LED continues to be in the status of ‘On’while the device is being connected to the
battery charger.

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Blue& Red LEDs
(2 colors)
GSM network & Operating Status indicator
Right after the device is turned on, the blue LED starts to blink as below. Five (5) minutes
after the blue LED starts to blink, it is turned off automatically to save battery. If you press the
power button again, the blue LED will be on just for short time, for some seconds, to show
you the current status of the GSM network connectivity.
Network OK: 1 time
Server communication Error : 2 times
GPRS Communication Error : 3 times
No GSM (= not connected with the GSM network): 4 times.
SIM PIN Locked : 5 times
Impossible to connect with the GSM network : 6 times
No SIM Error (= an error when SIM is not available) : 7 times
In addition to the status described above, the blue LED continues to blink either if the device
has an error of SIM Locking or if it does not have a SIM. .
If you press ‘power button’of device shortly, the Red LED indicates the operation status of the
device by showing number of blinking as below.
1 time of blinking means status of Power Off
2 times of blinking mean status of hibernation
3 times of blinking meanstatus of Power Off and battery discharged. It means
that it is time to charge the battery
Battery LEDs
(3 colors)
Battery indicator
Normally, it blinks shortly to indicate the battery level for user as described below.
Red LED blinks twice shortly. under 10% of the full capacity
Red LED blinks. under30% of the full capacity.
Orange LED blinks. 30% to80%
Green LED blinks. Almost charged
Green LED is on. Charging has been completed.
During the charging time, the battery LED blinks continuously. But, the battery LED is turned
on when charging the battery is completed.

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8. Commands
This chapter explains how command is made and sent to the device from its server.
Before using the device, you should set the network and the cyclic report parameters via SMS or RS232 at first.
After this, you can send any command(s) via SMS, RS232 or GPRS (only when connected).
How to set ‘Network Parameters’
● The table below shows how user can set GPRS parameters, Server information and PIN Lock code.
Field
Marks
Value
Meaning
HDR
“ST910”
Model Name
COMMAND
“NETWORK
Command Type
DEV_ID
6or 9 char.
Digits ID of device. It is a part of IMEI. Please check the
“DEV_ID_TYPE” setting.
AUTH
‘0’ /‘1’’/2’
GPRS authentication
0 : Disable (PAP)
1 : Enable (CHAP)
2 : Automatic GPRS set.
In this case, parameters for APN, USER_ID and
USER_PWD field should remain empty.
*PAP : Password Authentication Protocol
*CHAP : Challenge Handshake Authentication Protocol
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
SMS_NO
String
Phone number through which device sends SMS report.
This can be used for backup in an area where GPRS
condition is not good. Alternatively, it can be used as main
reporting method when IP and Port are empty.If you do not
use this, it should remain empty.
If some phone numbers have been registered on ‘SMS_NO’
and they are set properly, only SMS messages of which

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phone numbers were registered can be accepted as
command. The SMS of which phone numbers have not been
pre-set, those SMS messages coming from those phone
numbers are disregarded.
“SMS_NO”hasto be set with a number more than 7 digits
and please use the number without international code such
as “+55”.
PIN_NO
String
PIN Number to release PIN lock if it is enabled
RX_GPRS_CMD
‘0’ / ‘1’
Receive command via GPRS
‘0’: Disable (When server doesn’t send command via GPRS)
‘1’: Enable
B_SERVER_IP
String
Backup Server IPAddress
B_SERVER_PORT
String
Backup Server Port
<Example>
[command]
ST910;NETWORK;123456789;1;internet;suntech;1234;111.111.111.111;8800;123456789;1234;1;112.112.112.1
12;8021
ST910;NETWORK;456789;1;internet;suntech;1234;111.111.111.111;8800;123456789;1234;1;112.112.112.112;8
021
[response]
ST910;RES;NETWORK;123456789;1;internet;suntech;1234;111.111.111.111;8800;123456789;1234;1;112.112.1
12.112;8021
ST910;RES;NETWORK;456789;1;internet;suntech;1234;111.111.111.111;8800;123456789;1234;1;112.112.112.
112;8021
<Notes>
If the SIM does not require User ID and Password, these fields should be empty.
If RX_GPRS_CMD is enabled, the device should keep connection with the server though GPRS so that the
device can receive a command from the server.
Sometimes, the device may send ‘alive reports’ to keep the connection because the network provider may
disconnect the GPRS connection if there is no communication for such a time-period. Also, the device may
send‘Alive Reports’ to re-connect with the server while the device is disconnected from the server.
DNS
SEVER_IPand B_SERVER_IP field can be filled with direct IP address (for example 111.111.111.111) or

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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.
How to set ‘Additional Parameters’
● The following table shows how to setprotocol types forGPRS such as TCP and UDP with device port No.:
Field
Marks
Value
Meaning
HDR
“ST910”
Model Name
COMMAND
“ADP”
Command Type
DEV_ID
6 or 9 char.
Digits ID of device. It is a part of IMEI. Please check the
“DEV_ID_TYPE” setting.
SVR_TYPE
‘T’ / ‘U’
Server Protocol Type
T : TCP
U : UDP
B_SVR_TYPE
‘T’ / ‘U’
Backup Server Protocol Type
T : TCP
U : UDP
UDP_ACK
‘0’ ~ ‘3’
ACK from Server when UPD is used
0 : No use
1 : ACK when the server receives reports except ‘Alive-
report’.
2 : ACK when the server receives reports except
‘STT’and‘Alive report’.
3 : ACK when the server receives ‘emergency report’.
Command response does not need ACK.
DEV_PORT
String
Device’s port for receiving command from UDP server
It can be used only when UDP server is used.
If ‘0’ or empty, the device would use port 9000.
If not zero, the device can receive commands on port
DEV_PORT.

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Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
‘0’
‘0’
‘0’
‘0’
‘0’
‘0’
<Example>
[command] ST910;ADP;123456789;T;T;0;8051;0;0;0;0;0;0
[command] ST910;ADP;456789;T;T;0;8051;0;0;0;0;0;0
[response]ST910;RES;ADP;123456789;T;T;0;8051;0;0;0;0;0;0
[response]ST910;RES;ADP;456789;T;T;0;8051;0;0;0;0;0;0
<ACK in case of UDP>
UDP is a protocol which does not check if the data has been transmitted successfully. So, the device checks
completion of sending with ACK(ST910ACK;111111) depending on UDP_ACK type.
ACK is sent by the server when the data is received.
If the ACK is not sent for more than 2 minutes after sending, the device recognizes that the data has not reached the
server and sends the data again.
How to set ‘Service Parameter’
● The table below shows how user can set SERVICE parameters.
Field
Marks
Value
Meaning
HDR
“ST910”
Model Name
COMMAND
“SVC”
Command Type
DEV_ID
6 or 9 char.
Digits ID of device. It is a part of IMEI. Please check the
“DEV_ID_TYPE”setting.
DEV_ID_TYPE
‘0’ / ‘1’
0 :Device will report 6 characters in “ DEV_ID”.
1 :Device will report 9 characters in “ DEV_ID”.
ADD_INF
‘0’ / ‘1’
Type of report
0:Not increase additional information in
“Location”, ”Emergency” and “Alert” reports.
1:Increase the additional information in

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“Location”, ”Emergency” and “Alert” reports.
MAGNET_ALERT
‘0’/ ‘1’
0 : Disable Alert
1 : Enable Alert
VI_ON_THRES
String
1/255G
Threshold value for Motion Virtual Ignition On
0 : Disable the Motion checking
Range : 3~50
Default : 5
VI_ON_DELAY
String
Second
Delay time for Motion Virtual Ignition On
Range : 3~300
Default : 10
VI_ON_PERCENT
String
%
Percent for Motion Virtual Ignition On
Range : 30~100
Default: 70
VI_OFF_THRES
1/255G
Threshold value for Motion Virtual Ignition Off
Range : 3~50
Default : 5
VI_OFF_DELAY
String
Second
Delay time for Motion Virtual Ignition Off
Range : 3~300
Default : 10
VI_OFF_PERCENT
String
%
Percent for Motion virtual Ignition Off
Range : 30 ~ 100
Default : 70
DEEP SLEEP
‘0’ or ‘1’
0 : Disable
1 : Enable
<Example>
[command] ST910;SVC;123456789;0,0;1;5;10;70;5;10;70;0;0
[command] ST910;SVC;456789;0;0;1;5;10;70;5;10;70;0;0
[response] ST910;RES;SVC;123456789;0,0;1;5;10;70;5;10;70;0;0
[response] ST910;RES;SVC;456789;0,0;1;5;10;70;5;10;70;0;0
<Notes>