CDMA DTU

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CDMA DTU
Posting date : Mar 11, 2010
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84-
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Detailed Description
CM6550P CDMA 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. Wireless Specification Compliant with S-95 A/B and CDMA2000 1xRTT Support 13K QCELP audio codec 2. Hardware System CPU: Industrial ARM9 CPU, 200MPS, MMU, 16KB Dcache, 16KB Icache FLASH:8MB (Extendable to 32MB) SDRAM:64MB (Extendable to 256MB) 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) Power supply: Standard power supply: DC 9V 500mA Power range: DC 5-30V Size: Outline dimension: 92.7x61.3x23 mm Casing dimension: 298*226*64mm Weight: 680g Others: Operation temperature:-25~+65ºC Storage temperature: -40~+85ºC Humidity: 95% (unfreezing) 3. Software function Support transparent data transfer and protocol conversion. Support several work modes Support VPDN Support DDNS and IP access to data center Support double data centers for backup Support several data centers Support several triggering ways, including SMS, audio and data. Support link disconnection when timeouts Adopt smart online keeping technology to make sure that DTU is always online Support SMS backup and emergency report Support RSA and RC4 encryption arithmetic Support VWM(Virtual Man Watch)function Support hardware and software WDT Reporting the status of data transfer Standard AT command interface Support common MODEM function Support telnet function Support remote configure and control Support console upgrade firmware Support multi OS, such as WINDOWS, LINUX, SCO UNIX etc. 4. Application Examples Connect Ethernet devices to CDMA network Connect serial devices to CDMA network Provide Internet access to locations without fixed connections and mobile Credit card verifications, POS, ATM Data loggers, PLCs, RTUs, HMIs Vehicles Static IP addresses with Viola M2M Trucks, transportation, vehicles Road signs and weather stations And so on

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