This document is the quick start guide for the ZWW-36A wireless data transmission device released by Guangzhou ZHIYUAN Electronics Co., Ltd. It introduces the application and product features of this device.
This quick usage manual is intended for users who have purchased the ZLG ZWW-36A 3G wireless data transmission device. It outlines the scope of the guide and directs users to the full user manual for detailed operation.
The guide walks through the essential steps: checking the antenna connection, installing the SIM card, connecting the RS‑232 serial cable, attaching the power adapter, and using the USB cable for configuration. It also provides contact information for sales, service, and technical support across multiple Chinese cities. This manual is written in Chinese.
| Interface | RS‑232 serial port and USB port |
|---|
No. The manual states that inserting or removing the SIM card while the DTU is powered is strictly prohibited.
Check that the power adapter is plugged in, verify the polarity of the power terminals, and ensure the device is not damaged.