Bacoz RS232 RS485 to 4 Port RS485 Hub with Quad Optical Isolation,Repeater Industrial-Grade Photoelectric Isolation, RS485 Splitter/Sub-Sharer, BZ-RS232/485-485-4 way

**Versatile Transmission Medium and Asynchronous Operation**: The Multifunctional Data Conversion Module supports twisted pair or shielded wire as its transmission medium and operates in asynchronous half duplex mode. This design ensures reliable data communication over long distances.
**Robust Power Supply and Wide Range**: Operating with a power supply of 9-24V, this module achieves communication speeds of 300bps to 115.2kbps. It supports a communication distance of 0-5 kilometers, adapting to varying data rates for extensive industrial applications.
**Robust Power Supply and Wide Range**: Operating with a power supply of 9-24V, this module achieves communication speeds of 300bps to 115.2kbps. It supports a communication distance of 0-5 kilometers, adapting to varying data rates for extensive industrial applications.
**Automatic Data Flow Detection and Switching**: The module features a discriminative circuit that automatically detects the direction of data flow. It utilizes control circuits for automatic switching, effectively resolving the delay issues commonly associated with RS-485 transceiver conversion.
**Durable and Compatible Design**: The module includes an external switch power supply for reliable outdoor engineering applications. It is compatible with EIA/TIA RS-232C and RS-485 standards. The RS-232C interface is a ten-position terminal block with 15KV ESD protection, while the RS-485 interface offers 600W lightning surge protection per line. The module is designed to operate in harsh environments with temperatures ranging from -40°C to 85°C and relative humidity between 5% and 95%.