1. General
H7710 GPRS/CDMA DTU is a data termination unit based on GPRS or CDMA1x mobile network. It provides data communication network for industrial applications. With the reliable, flexible and cost-effectiveness features, it can be utilized at many areas to provide the M2M communication channels.
H7710 GPRS/CDMA DTU provides RS-232/RS-485/RS-422/TTL interface. Embedded with PPP, TCP/IP and DDP protocol, it converts the user data into GPRS or CDMA 1x network and transmits the data into the customers data service center.
DTU = Data Termination Unit
DDP - DTU/DSC Protocol, it is the data transmission protocol between DTU and data service center.
2. H7710 Series DTU Features
1) Basic Functions
Embedded PPP, TCP/IP stack
Transparent data conversion and transmission
Supports static data service center IP address
Supports DNS and dynamic data service center IP address
Supports GPRS/CDMA 1x data channel and SMS backup
Supports peer to peer, center to multi-point data transmission
Supports GPRS/EDGE customized APN or CDMA VPDN
Supports Xmodem protocol and firmware updating
Optimized EMC design
Wide range power input
Smart power management
Power on/off control
Industrial class pluggable terminal block
Standard antenna and SIM/R-UIM interface
Reliable, flexible, easy to use and management
2) Enhanced
Industrial design for different application environments
Industrial class components; Embedded RTOS;
Built-in multiple communication protocols
PPP, TCP/IP, UDP/IP;
Hongdian DDP protocol, ensuring the data channel reliability;
Hongdian AT+ protocol, satisfying the customized applications
Multiple operation model
Always online: automatic online while it powered on,
automatic redial and keep-alive while the line dropped;
Data trigged online;
Ring and SMS trigged online;
Online control interface with the connected device;
GPRS/CDMA and SMS backup and switch;
Data loop testing;
Multiple data service center communications
Supports up to 4 data service center communication
Supports main/backup data service center communication
Supports customized setting for each data service center
Flexible data communication
Supports TCP/IP Server/Client, UDP/IP, DDP, SMS, AT
Self-define transparent or protocol communication
Self-define last packet idle interval and MTU
Self-define customized data frame separator
Self-define re-connecting interval
Self-define online report interval
Self-define heart-beating data frame
Parameters configuration and remote management
Built-in Chinese or English configuration tool
PC based configuration tool
Remote configuration via data service center
Remote configuration by SMS
Configuration via AT+ command
Full function data service center development kits
Full function development package
Complete set of Chinese and English version demo source code (VB, VC, C#, Delphi)
Complete function data service center software for transparent data transmission
Powerful data service center testing tool
Integrated with HMI/MMI/SCADA software (for Chinese market only)
3. H7710 Series DTU Specifications
1) GPRS data
Supports GSM/GPRS
Supports 900/1800MHz (other band optional)
GPRS Class 2~10
Code Scheme: CS1 - CS4
Complied with SMG31bis specifications
2) CDMA 1x data
Supports 800MHz (other band optional)
Support IS 707 data service
Support 153kbps packet data
Support Class 2.0 Group 3 facsimile
CDMA 2000 spread spectrum
Complied with IS-95A, IS-95B CDMA interface
3) Interface
Antenna: 50/SMA Female
SIM/R-UIM: 3V
Serial data interface
Type: TTL/RS-232/RS-422/RS-485;
Rate: 300~115200bps;
Connector: 3.5mm pluggable terminal block (14~24AWG);
Configuration interface: RS-232 (57600bps)
Voice interface: Standard voice level input/output
4) Power
Voltage: +7.5~+26VDC (+5VDC optional)
Consumption
a) GPRS standard product:
Peak current: 1.5A/+12VDC; Communication: 150mA/+12VDC; Idle: 60mA@+12VDC
b) GPRS Low consumption product:
Peak current: 1.5A/+12VDC; Communication: 70mA/+12VDC; Idle: 25mA/+12VDC
c) CDMA standard product
Peak current: 1.5A/+12VDC
Conversation: 150mA/+12VDC
5) Others
Mechanical: 93x54x22 mm (not including antenna and mounting kits)
Weight: 150g
Operation temperature: -30~+70ºC
Store temperature: -40~+85ºC
Related humidity: 95% (non-condensing)
Ordering Information
H7710 DTU was designed at platform basis; you can order different options to fit your customized application. Refer to following table, select your correct options.
Product | Model | Note |
GPRS DTU | H7710-CGH | RS-232 Interface, Huawei module inside, 900/1800Mhz Dual band, +7. 5~26VDC. |
H7710-CGS | RS-232 Interface, Siemens MC39i module inside, 900/1800Mhz Dual band, +7. 5~26VDC. | |
CDMA DTU | H7710-CCZ+ | RS-232 Interface, ZTE module inside, 800 Single band, 800/1900 Dual band or 450Mhz band Optional, +7. 5~26VDC. |
H7710-CCW | RS-232 Interface, Wavecom module inside, 800 Single band, 800/1900 Dual band optional, +7. 5~26VDC. |
Above modules can be designed in accordance with customer's specifications. OEM is also welcome.
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