Connected AC20 GPS Tracker User Manual Arrow C

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Date Submitted	2016-03-29 00:00:00
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Document Title	Microsoft Word - Arrow-C User Manual.doc
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ARROW‐C User Manual
ARROW‐C
User Manual
R1.0
Author
Revision
Changes
Date
Changyu
1.1
Initial version
2016‐03‐22
Confidential Material: This document contains information that is proprietary and
confidential, reading and copying this document is prohibited without
permission.
ARROW‐C User Manual
Contents
1 Introduction .............................................................................................................................. 3
ID and Tooling Design ...................................................................................... 错误！未定义书签。
2 Hardware Design ....................................................................................................................... 4
2.1
Basic Hardware.................................................................................................................. 4
2.2
Basic RF Performance ........................................................................................................ 6
2.3
Certification and Safety ..................................................................................................... 8
3 Software Features ..................................................................................................................... 9
3.1
Basic Software ................................................................................................................... 9
3.2
Remote Update ................................................................................................................. 9
3.2.1
Auto Execute ............................................................................................................. 9
3.3
Power Modes .................................................................................................................... 9
3.4
AT Command ................................................................................................................... 10
3.5
Report.............................................................................................................................. 12
3.6
Reset ................................................................................................................................ 12
3.6.1
Context Preservation ............................................................................................... 12
3.7
Startup Banner ................................................................................................................ 12
4 Test Method ............................................................................................................................ 13
4.1
Hardware ......................................................................................................................... 13
4.2
Software Test ................................................................................................................... 13
ARROW‐C User Manual
1 Introduction
The ARROW‐C is a self‐contained vehicle tracking device that combines GPS location with
CDMA connectivity.
The Arrow‐C device series has 5 productions: AR‐2CX / SR‐2CU / S4N‐2CU / S6N‐2CU / KT‐2CU
Logically, the ARROW‐C appears to a user or a server application as a single endpoint device.
It can be queried, updated and configured either through a serial connection, or an over the
air CDMA IP connection, or through SMS messaging. The ARROW‐C presents itself over these
connections as an enhanced cellular modem with attached functional elements. These
elements include:
GPS location engine
2 General Purpose Bidirectional I/O (GPIO) pins
1 Relay drive pin output
Serial UART port
Input voltage monitor (optional)
Timers
Watchdog lockup protection (Dedicated watchdog circuit is optional)
Factory load option for motion detection
Access to these elements and general purpose interfaces is done through an extended AT
command set as defined herein.
Application scene:
This product will be designed based on the VIA CBP8.2 CDMA 1X 800M&1900M Baseband
chipset, which includes GPS functionality, ARM CPU and CDMA protocol. This baseband
external connection 256M serial flash, CDMA 800M/1900M/GPS RF Transceiver, and RF
Front end circuit.
The device will use one dual band antenna（CDMA800&CDMA1900）and one dedicate GPS
antenna.
ARROW‐C User Manual
Hardware Design
1.1
Basic Hardware
Items
Requirement
Baseband Chipset
VIA CBP8.2C
RF Transceiver
GRF6416
Memory
Serial Flash 64Mb
PSRAM 128Mb
Air Interface
CDMA 2000 1x, GPS
Frequency
CDMA2000 1x: 800MHz,1900MHz
Antenna
Internal Antenna(800M&1900M)
GPS Antenna
Dedicate high performance ceramic antenna
UIM requirement
No‐UIM mode, UIM card connector optional
Interface
UART TX
UART RX
12V DC Input（1A current）
Relay Drive (12V Output ,500mA current)
GPIO1
GPIO2
Battery Monitor
Build in battery manager
Dedicate Timers
Watchdog
Motion Detect
LED
Battery
Working Time
Power switch
Power Cable color
Power Cable connector type
Power Consumption
internal analog input scaled (Optional)
Supported
No
Supported(Dedicate Watchdog is Optional)
Optional（GPS/Sensor）
2 LED Supported
2 LEDs(one is RED，one is Green)
Build in battery（80MAH Lion）
4hours
No
8 colors
8 pin
< 5Watts
The ARROW‐C provides support for specialized hardware features through extended AT
commands. The features supported include the following.
GPS
The major functionality of the GPS module is to compute the correlation results between the
incoming signal and the selected PRN code based on certain Carrier Doppler Frequency, Code
Doppler Frequency, code phase, carrier phase, and the particular satellite the module is
tracking or acquiring.
GPIO
ARROW‐C User Manual
Two GPIO pins, GP1 and GP2, are presented to the external environment on the main
connector. They are general purpose bidirectional lines capable of providing system
interrupts to generate a report or drive logic levels to external devices. These lines are 2.8V
logic level and are 15V tolerant. These pins default to input. GP1 is pulled down representing
0 when disconnected; GP2 is pulled up representing logical 1 when disconnected. They
should be asserted to a known value if used. GP1 is intended to use for Ignition Sensing.
LED’s
Two LED status indicators are provided to verify correct installation and operation. The
status LEDs are color coded and directly convey the status of the CDMA and GPS subsystems
as described in the table below. Their valid operation also indicates operational status and
power.
LED
Function
Status
Red
GPS
On: GPS satellites acquired and
Locked
Flash Slow: GPS satellite search is
in progress
Off: No power or GPS subsystem
fault
Green
CDMA/CDMA Connection
On: Indicates CDMA connection is
made
Flash Slow: CDMA subsystem
initialized but no connection
Flash Fast: CDMA initialization in
process
Off: No power or CDMA
subsystem fault
The ARROW‐C provides user control allowing the LEDs to be extinguished once installation is
verified. This feature reduces power and further conceals the ARROW‐C Tracker from
untrained parties wishing to defeat its operation.
UART
A UART port is provided for AT command and data interaction and optionally for application
specific control. When in power down mode, a character must be sent to the UART first to
wake it up. The port will stay awake for 5 seconds after any character received.
Relay Driver
A 500mA sink capable output pin is provided. This pin is meant to drive a relay coil indented
to interrupt the starter solenoid relay for the ignition circuit to a car.
Battery Monitor
The battery monitor is internal analog input scaled such that the DC value of the power input
pin to the ARROW‐C system is measured. This value is scaled to span the most significant 8
bits of the A/D and consequently covers a scale from 0 to 25.5 Volts.
Timers
Timers resident on the CDMA baseband chip generate periodic interrupts for power down
wakeup, watchdog support, report generation and other timer related functions. Report
timers are supported by related AT command and cause generation of periodic reports.
ARROW‐C User Manual
Watchdog
CBP8.2 chipset provide internal software Watchdog, and a physically dedicate Watchdog
circuit requirement is optional.
Motion Detect (Option)
A factory populates option for motion detector is provided. If populated at the time the
ARROW‐C is manufactured, this option will work with firmware power down options to keep
the ARROW‐C in a very low power down state until motion is detected. Upon wakening, a
report can then be generated.
1.2
Basic RF Performance
Items
Requirements
Remark
TRP free space
>= 20 dBm
TRP free space
TIS free space
<= ‐104dBm
TIS free space
Antenna loss
<= ‐3 dB
TRP‐TX Power Conducted
Antenna Loss
<= ‐3 dB
RX receive sensitivity conducted –
TIS
Board RF Specification
Cellular Band RX
Frequency range
869MHz～894MHz
Sensitivity
‐108dBm (FER≤0.5%)
Dynamic range
‐25～‐108dBm (FER≤0.5%)
Single tone Desensitization
‐102.4dBm(FER≤1%,‐30dBm@±900KHz)
Intermediation Spurious
Response Attenuation
Conducted Spurious
Emission
‐102.4dBm(FER≤1%,‐43dBm@±900 KHz/±1700KHz)
‐91.4dBm(FER≤1%,‐32dBm @±900 KHz/±1700KHz)
‐80.4dBm(FER≤1%,‐21dBm @±900 KHz/±1700KHz)
<‐76dBm/1MHz（RX band）
<‐61dBm/1MHz（ TX band）
<‐47dBm/30KHz（other frequency）
Cellular Band TX
Frequency range
Maximum Frequency error
Maximum output power
824MHz～849MHz
±300KHz
20
~ 24.5dBm
23～30dBm
Minimum controlled output
power
<‐50dBm
Standby output power
<‐61dBm
Code domain power
The code domain power in each inactive code channel
shall be 23 dB or more below the total output power
measured on both the I and Q data channel combined.
Time reference
±1.0uS
Waveform quality
>0.944
Range of open loop output
（test1：－25dBm/1.23MHz）－47.7±9.5dBm
ARROW‐C User Manual
（test2：－60dBm/1.23MHz）－7.7±9.5dBm
power
（test3：－93.5dBm/1.23MHz）20.3±9.5dBm
‐42dBc/30Khzor‐54dBm/1.23MHz
（|Δf|:1.25MHz~1.98MHz）
‐50dBc/30Khzor‐54dBm/1.23MHz
（|Δf|: 1.98MHz~4.00MHz）
Conducted spurious emission
<‐36dBm/1kHz
（|Δf| > 4MHz, 9KHz < f < 150KHz,）
<‐36dBm/10kHz
（|Δf| > 4MHz, 150kHz 4MHz, 30MHz 4MHz, 1GHz0.944
Range of open loop output
power
(test1: ‐25dBm/1.23MHz) ‐50.7±9.5dBm
Conducted spurious emission
(test2: ‐60dBm/1.23MHz) ‐10.7±9.5dBm
(test3: ‐91.3dBm/1.23MHz) 20.3±9.5dBm
ARROW‐C User Manual
‐42dBc/30Khzor‐54dBm/1.23MHz
(|Δf|:885KHz~1.98MHz)
‐54dBc/30Khzor‐54dBm/1.23MHz
1.98MHz~4.00MHz)
(|Δf|:
<‐36dBm/1kHz (|Δf| > 4MHz, 9KHz < f < 150KHz)
<‐36dBm/10kHz (|Δf| > 4MHz, 150kHz 4MHz, 30MHz 4MHz, 1GHz; BIN:; MEID/ESN:
APN1:; IP::;LPORT:
RI:; DTE:; DI:; HB:; NR:; RS:
12
ARROW‐C User Manual
3 Test Method
3.1
Hardware
Test Item
Description
Baseband Function Test
•
•
•
•
•
•
•
•
•
•
Power Input Test
Power Consumption and Current Test
Heat Dissipation Test
UART Stability Test
GPIO Level Test
LED Stability Test
Drop Down Test
ESD Test
High/Low Temperature Test
Humidity Test
RF Test
•
•
•
RF Performance Test
GPS Performance Test
Antenna Performance Test
3.2
Software Test
Test Environment Construct
 message Test environment
1.usb dongle and PC as message server
2.send message to IONX
 UDP Test environment
1.connect dongle to PC and create dialup as ip server
2.IONX create IP connection to server
 UART Test environment
1.connect IONX to pc with com serial cable
2.open Terminal tool and send at command
3.reponse can be shown at terminal window
13
ARROW‐C User Manual
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20
cm from all persons and must not be co-located or operating in conjunction with any other antenna or
transmitter.
14

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