User manual for the SmartGen SG72A USB communication module that converts USB to RS232, RS485 and LINK interfaces.
The SG72A is a communication interface conversion module that enables USB↔RS232, USB↔RS485 and USB↔LINK (TTL‑level) connections. It draws power directly from the computer’s USB port and measures 72 mm × 51 mm × 27 mm.
The manual provides an overview of the module, details its dimensions and indicator LEDs, and includes step‑by‑step driver installation instructions for Windows 2000/XP/7, as well as troubleshooting tips for COM‑port identification and USB power issues. This manual is written in Chinese.
| Physical dimensions | 72 mm × 51 mm × 27 mm (L × W × H) |
|---|---|
| Power source | USB port of the computer |
| Connector type | Mini‑USB standard connector |