GPRS DTU

CM3150P GPRS DTU Technical Specification

CM3150P GPRS DTU adopts high-powered ARM9 CPU and embedded real time operating system. It integrates all the commonly used protocols, such as TCP/IP/UDP and so on, from logical link layer to upper application layer protocols. It provides a secure, high speed, reliable wireless internet connection for customers. It supports several ways that trigger DTU to be online, including SMS and data. Also, it supports double or several data centers.This product has been widely used in finance, water supply, environment protection, electric power system, post and weather fields.

1. GPRS DTU Wireless Specification
i. Dual Band EGSM 900 and GSM 1800
ii. GPRS multi-slot class 10
iii. GPRS data downlink transfer: max. 85.6 kbps
iv. GPRS data uplink transfer: max. 42.8 kbps
v. Coding scheme: CS-1, CS-2, CS-3 and CS-4
vi. CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent, V.110
vii. Unstructured Supplementary Services Data (USSD) support
viii. Compliant to GSM Phase 2/2+
ix. Class 4 (2W) at EGSM 900
x. Class 1 (1W) at GSM 1800
xi. Group 3: Class 1, Class 2

2. GPRS DTU Hardware System
i. CPU:Industrial ARM9 CPU,200MPS,MMU,16KB Dcache,16KB Icache
ii. FLASH¡º8MB (Extendable to 32MB)
iii. SDRAM¡º64MB (Extendable to 256MB)
iv. Interface:
RS232 serial port ¡«rates:110~230400bits/s
Indicator lights: Power, Communication, Online
Antenna interface: standard SMA female interface, 50 ohm
SIM interface: standard user card interface (3V/5V)
Power interface: standard 3-PIN power jack
Audio interface: standard MIC-phone jack (reserve)

v. Power supply¡º
Standard power supply: DC 9V 500mA
Power range: DC 5-30V
i. Size:
Outline dimension: 92.7x61.3x23 mm
Casing dimension: 298*226*64mm
ii. Weight:
680g
iii. Others:
Operation temperature:-25~+65§«C
Storage temperature: -40~+85§«C
Humidity: 95% (unfreezing)

3. GPRS DTU Software function
i. Support transparent data transfer and protocol conversion. Support several work modes
ii. Support VPDN
iii. Support DDNS and IP access to data center
iv. Support double data centers for backup
v. Support several data centers
vi. Support several triggering ways, including SMS, audio and data. Support link disconnection when timeouts
vii. Adopt smart online keeping technology to make sure that DTU is always online
viii. Support SMS backup and emergency report
ix. Support RSA and RC4 encryption arithmetic
x. Support VWM¡§Virtual Man Watch¡¨function
xi. Support hardware and software WDT
xii. Reporting the status of data transfer
xiii. Standard AT command interface
xiv. Support common MODEM function
xv. Support telnet function
xvi. Support remote configure and control
xvii. Support console upgrade firmware
xviii. Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc.
4. GPRS DTU Application Examples
5.1 Connect Ethernet devices to GPRS network
5.2 Connect serial devices to GPRS network
5.3 Provide Internet access to locations without fixed connections and mobile
5.4 Credit card verifications, POS, ATM
5.5 Data loggers, PLCs, RTUs, HMIs
5.6 vehicles
5.7 Static IP addresses with Viola M2M
5.8 Trucks, transportation, vehicles
5.9 Road signs and weather stations
5.10 And so on