Technical Specification H7710 3G/4G...

Technical Specification

H7710 3G/4G DTU

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H7710 3G/4G DTU Technical Specification

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Hongdian Corporation 1

H7710 3G/4G Router Technical Specification

Foreword

Summary The H7710 DTU is one of the H7000 wireless DDN communication system products. The device provides

standard RS232/422/485/TTL level interface with dual serial port function. Wireless data network capable of providing high quality and transparent data transmission for various users. The digital data transmission network composed of digital transmission channel and digital cross multiplexing node can be applied to various industrial monitoring, traffic management and weather environments.

By reading this document, you can understand the product features, product specifications, hardware structure and user interface terminal detailed definition.

Product Version The product version corresponding to the document is as shown below.

Product name Product version

H7710 GPRS/GSM DTU V50

H7710 3G/4G DTU V61

Update History

Document Version

Data Description

v1.0 2016-06-19 First commercial release for the 3G/4G description


H7710 3G/4G Router Technical Specification

Contents

1 Product Introduction........................................................................................................ 3

1.1 Overview ..................................................................................................................... 3

1.2 Product Sepcification..................................................................................................... 3

2 Hardware Structure ......................................................................................................... 4

1.3 Appearance and dimension ............................................................................................ 4

3 User Interfaces Definition ................................................................................................. 5

1.4 Summary ..................................................................................................................... 5

1.5 Indicator light status description ..................................................................................... 6

1.6 Interface definition ....................................................................................................... 8

4 Electrical properties ......................................................................................................... 9

1.7 Electrical performance specifications............................................................................... 9



1 Product Introduction

1.1 Overview H7710 4G DTU is a wireless DDN (Digital Data Network) data communication product mobile network based on 2G/3G/4G networks. The H7710 product uses the operator's cellular wireless network to set up a wireless communication link for the client terminal equipment and data service center (platform). The customer can transmit its user data based on the wireless communication link.

1.2 Product Sepcification

Table 1-1 Description of specification of H7710 3G/4G DTU product

Specification Name

Description Remarks

2G GSM/GPRS：900/1800MHz V20

3G/4G please refer to the specific

3G/4G module specifications

Choose different modules according to user’s needs, support different network standards

Interface

Antenna interface 3G/4G antenna interface: SMA-K

female connector

SIM card 1.8V/3.0V

Serial data port

RS232/RS485/RS422/TTL

Optional serial port

Debug port RS232

Serial data rate Standard 300-230400bps (Configurable)

Terminal block 3.5mm pluggable terminal

block(14~24 AWG line)

Power Supply Working voltage +5V~+36V DC The peak ripple peak value is less than 400mV, and the peak

value of 5V peak is less than 100mV.

Working

Consumption

Average current in communication state (1024B/S mutual data with center)

About 110mA@+12VDC, power values vary depending on the network mode

Peak current in

communication state (1024B/S mutual data with

About 480mA@+12VDC, peak values

vary depending on the network mode



Specification Name

Description Remarks

center)

Connected to the center, the average current without sending and receiving data

About 20mA@+12VDC

Other

Size (L x W x H) (mm) 112.3×70×22 (with the screw’s height )

Weight About 190g

Working environment

temperature -20℃~+70℃

Extended temperature -30℃~+80℃

Storage temperature -40℃~+85℃

Relative humidity <95%( No condensation)

Note: the communication power consumption is influenced by the network signal strength and the module network system.

2 Hardware Structure

1.3 Appearance and dimension

Appearance drawing

H7710 package in the metal chassis, can be used independently, with fixed holes in two sides for user -friendly installation. The specific appearance size see figure 2-1.



Figure 2-1 Appearance drawing of H7710 3G/4G DTU

The user's data cable interface is connected at the bottom of the module. Taking into account the reliability of the connection, we are equipped with the installation attachment, to fix the user data cable, and improve the reliability of the connection.

3 User Interfaces Definition

1.4 Summary The H7710 DTU device supports RS232 user data interface for data communication after physical interfacing with peripheral docking devices. Its user interface schematic is shown in figure 3-1.



Figure 3-1 Schematic diagram of equipment interface

① User Data Interface ② Indicators ③ SIM Card Slot ④ Antenna Connector

Note: Actual panel of the product you receive may differ.

1.5 Indicator light status description The description of the H7710 indicators status is shown in table 3-1.

Table 3-1 Description of panel indicators status

Indicators Indication State Description GPRS DTU

3G/4G DTU

Remark

Status/Power lamp(PWR)

Off Could not find modem √ √

2s interval light up, (2s on, then 2s off)

DTU is in AT mode √ √

2s interval blink Find the SIM card √ √ 5s interval blink DTU connected to Demo √ √

Blink with the same frequency as NET lamp(see NET

state for detail)

Serial port or channel received data(contains configuration upgrade)

√ √



Data lamp(DATA)

Blink No serial port send data √ √

Off √ √

Network lamp(NET)

500ms interval fast blink

Network dialing √ √

1s interval blink Network dialed up but no channel

connect to Demo

√ √

5s interval fast blink

DTU in controlling online/offline mode or only SMS channel mode

√ √

2s interval blink with the same frequency as PWR lamp

Dialed up in 4G network status, and connected to Demo

× √

5s interval blink with the same frequency as PWR lamp


× √

10 interval blink with the same frequency as PWR lamp


√ √ Currently 2G device is 2s interval blink

Other state instructions

All three lamps on then off

DTU power up × √ 2G DTU is that PWR and DATA lamps are both at the same time,

then DATA lamp off after 1s

All three lamps on then off

DTU restart up × √ 2G DTU is that PWR and DATA

lamps are both at the same time, then DATA lamp off after 1s

Both DATA and PWR blink as the same of 500ms interval

Serial port local upgrade pitch × √

Both DATA and PWR blink as the same of 500ms interval

Remote upgrade pitch √ ×

Both DATA and PWR are on

Upgrade DTU in BOOT mode × √

Notes: Blink: On->Off(about 10ms)->Off ×: Not support √: Support



1.6 Interface definition When using 14 ~ 24AWG cable, the label on the H7710 DTU panel shows the cable connections of the four types (RS232, RS485, RS422, and TTL) types. Please be sure to follow the instructions below to make the connection. H7710 cable plug for connector terminals, spacing: 3.5mm, 12Pin, interface pin diagram as shown in Figure 3 -2

Figure 3-2 H7710 interface diagram

The interface pin instruction as shown in Table 3-2

Table 3-2 The interface pin instruction

Data port type

DCD(PIN1) RX/B TX/A GPIO OFF GPIO

TTL Online indicator

TTL level TTL level GPIO High shutoff GPIO

RS232 Online indicator

RS232 level RS232 level GPIO High shutoff GPIO


B A GPIO High shutoff GPIO


R( - ) R( + ) GPIO High shutoff GPIO

TX RX GPO GND GND VIN+(PIN12)

Debug port Debug port GPO Power ground Power ground +5~+36V



T( - ) T( + ) GPO Power ground Power ground +5~+36V

Notes: RS232 level definition: high +5~+15V, low -5~ -15V RS485 level definition: A/B: 0~+5V RS422 level definition: R-/R+/T-/T+:0~+5V

TTL level definition: OH: +2.8~+3.3V，OL: 0~+0.4V，IH：+2~+3.3V，IL：0~+0.8V

GPIO: OH: +2.8~+3.3V，OL: 0~+0.4V，IH：+2~+3.3V，IL：0~+0.8V Low shutdown: 0~+0.4V shutoff, +3~+10V or dangling open High shutoff: +3~+10V shutoff, 0~+0.4V or dangling open



4 Electrical properties

1.7 Electrical performance specifications The electrical performance of this product is shown in table 4-1

Table 4-1

Specification

name

Standard Specification requirements Remark

Electrostatic discharge immunity

GB/T 17626.2-2006 Contact discharge + 8KV, air discharge + 15KV

Level B, pass

Oscillatory wave immunity

GB/T 17626.12-1998

DC power supply side: differential mode + 1.25KV, oscillation frequency: 100KHz, repetition rate: 40 /S, duration: 2S, Interval time: 1S

Level A , pass

DC power input port voltage sag, short interruption immunity

GB/T 24338.4-2009 DC 9V 0%UT 10ms

Level A, pass

Electrical fast transient pulse group immunity

GB/T 25119-2010 to 12.2.7

Power port: + 4kV Telecommunication port: + 2kV Front / half peak: 5/50ns Repetition frequency: 5kHz

Level A, pass

Radiation continuous harassment

GB/T 24338.4-2009 10m field: 30MHZ--230MHZ: quasi peak 40dBuV/m 230MHZ--1GHZ: quasi peak 47dBuV/m 3M field: 30MHZ--230MHZ: quasi peak

50dBuV/m 230MHZ--1GHZ: quasi peak 57dBuV/m 1GHz--3GHz: average 50dBuV/m, peak Value 70dBuV/m 3GHz--6GHz: average 54dBuV/m, peak Value 74dBuV/m

Meet the limit value requirement, pass

Conducting continuous harassment

GB/T 24338.4-2009 Telecommunication port DC power input / output port 150KHZ--500KHZ: quasi peak value 99dBuV

Meet the limit value requirement, pass



500KHZ--30MHZ: quasi peak value 93dBuV

Immunity to conducted disturbances Induced by RF Fields

GB/T 24338.4-2009 Port: AC/DC power supply, signal Frequency range: 0.15--80MHz Amplitude modulation: 80% Residence time: 1S Level: 10V/m Step: 1%

Level A, pass

Insulation performance GB/T 25119-2010 to 12.2.9

Insulation resistance DC500V, 60S Pressure AC500V, 60S

Insulation resistance greater than 50 M, leakage current less than 5mA, pass

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