The Ugreen 70613 Passive RS232 to RS485 Adapter is designed for industrial‑ and commercial‑grade serial communication conversion: it allows a standard RS‑232 (DB9) port to interface with an RS‑485 two‑wire network in a reliable, long‑distance setup. With automatic RX/TX control, built‑in surge protection and support for point‑to‑point or point‑to‑multipoint networks, this adapter is ideal for applications including industrial automation, building control systems, monitoring stations, networking gear and legacy‑equipment integration.
| Model | Ugreen 70613 (also CM261) |
| Standards Supported | EIA/TIA RS‑232C ↔ RS‑485 |
| Baud Rate | 300 bps to 115.2 kbps (auto‑detect) |
| Working Mode | 2‑wire asynchronous half‑duplex |
| Communication Topology | Point‑to‑point or point‑to‑multipoint (supports up to 32 devices on the RS‑485 bus) |
| Transmission Distance | RS‑232 side up to ~15 m (50 ft); RS‑485 side up to ~1.2 km (4000 ft) |
| Surge Protection | TVS transient suppression: 600 W per RS‑485 line |
| Operating Temperature | ‑25 °C to +70 °C (industrial grade) |
| Warranty Terms: | 1-year warranty provided by UGREEN MAURITIUS – 101 Multimedia. |
| Brand | |
|---|---|
| Product Categories | Adapters |
| Interface Type | DB9, RS‑485 |