This manual provides a complete overview of the RemoDAQ-8552 GPRS DTU, including its hardware features, supported protocols, and typical application scenarios such as remote monitoring and power metering. It describes the device's PPP and TCP/AP protocol stack, RS232/485 interfaces, and built‑in watchdog and security features.
Installation instructions, wiring diagrams, command‑line configuration steps, and SMS operation procedures are detailed, along with explanations of the indicator LEDs and hardware dimensions for mounting in industrial environments. This manual is written in Chinese.
| Input voltage | 7~36 V DC |
|---|---|
| Communication interfaces | RS232/485 |
| Status indicator LEDs | 4 LEDs (power, hardware, network, link) |
| User data buffer | 60 KB |