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The UGREEN 80110 (model CM261) RS232 to RS485 converter is a commercial-grade signal interface adapter designed for industrial and automation applications. It enables seamless bidirectional communication between RS232 (EIA/TIA RS-232C) devices (such as PCs, legacy equipment) and RS485 networks (multi-drop bus environments) — allowing you to connect one RS232 port to up to 32 devices on an RS485 bus. With half-duplex two-wire operation, automatic RX/TX direction control, long-distance transmission up to approximately 1.2 km (4000 ft) on RS485, and built-in surge protection (600 W per line on RS485), this converter is ideally suited for reliable, long-haul, industrial-grade data communication.
| Model / SKU | UGREEN 80110 (CM261) |
| Standards Supported | EIA/TIA RS-232C and RS-485 |
| Transmission Speed (Baud Rate) | 300 bps – 115.2 kbps (auto-detect) |
| Working Mode | 2-wire asynchronous half-duplex |
| Communication Mode | Point-to-Point or Point-to-Multi-Point (up to 32 RS485 devices) |
| Max Transmission Distance | RS232 interface: up to ~15 m (50 ft) • RS485 interface: up to ~1.2 km (4000 ft) |
| Surge/Transient Protection | TVS built-in; RS485 lines each protected up to 600 W surge suppression |
| Power Supply | Powered by RS232 data lines (no external power required) |
| Dimensions & Weight | Approx. 150 mm × 100 mm × 30 mm (approx), weight ~200 g |
| Warranty Terms: | 1-year warranty provided by UGREEN MAURITIUS – 101 Multimedia. |
| Brand | |
|---|---|
| Product Categories | Adapters |
| Interface Type | RS‑485 |
