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GPRS DTU User Manual V1.3
http://en.usr.cn
Jinan USR IOT Technology Limited
Page 2 of 31
Content
GPRS Data Transmit Unit
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1. Product Description
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3
1.1. Instruction
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3
1.2. Features
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3
1.3. Parameters
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2. Install
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5
2.1. Packing list
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2.2. Size and Diagram
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2.3. Antenna and SIM Card Installation
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2.4. Power Supply
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2.5. Indicator Lamps
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2.6. Serial Port Instruction
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2.6.1. RS232 Definition
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2.6.2. RS485 definition
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2.6.3. TTL definition
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3. Parameter Configuration
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3.1. Hardware Connection
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3.2. Parameter Configuration
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3.3. Software configuration
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3.3.1. Software interface introduce
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3.3.2. Software operation
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3.4. AT Command Configuration
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3.5. Message Configuration
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4. Public IP Instructions
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5. Application Environment Testing
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5.1. Application of Public Server
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5.2. Application of Router Transit
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5.3. Application of Server Transit
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6. AT Command
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6.1. Set Key Parameter
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6.2. Configure DTU business Packet
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6.3. Set TCP/IP
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6.4. Setting Example
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7. FAQ
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8. Contact
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9. File history
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31