The Jiafuxin GF-1000AW GSM Modem User Manual provides setup, basic function testing, and CSD connection instructions.
This manual introduces the GF-1000AW industrial‑grade GSM modem, its hardware composition, new features, and typical applications such as CSD, SMS, voice and fax over a standard serial interface. It also lists the required hardware connections, power specifications, and compatible Siemens TC35i AT command set.
The document walks the user through basic function tests—including signal strength, SIM status, SMS and voice calls—using Windows HyperTerminal, and details the CSD communication method, required SIM settings, baud rate configuration, and AT command sequences for data transmission. This manual is written in Chinese.
| Input voltage range | 5 V‑24 V 1 A |
|---|---|
| Connector type | Standard 20‑pin socket |
| Communication interface | RS232/485 |
| Supported functions | CSD, SMS, voice, fax |
| Status indicators | Power, ring, data send/receive LEDs |