Welcome to our store！</br> 1、1 TO 8 RS485 SPLITTER HUB: Industrial isolated 1 to 8 RS485 hubs with industrial grade super anti interference chips, surge protection, and static protection circuits. 2、BIDIRECTIONAL COMMUNICATE: RS232 RS485 RS422 fiber converter two way communicate, plug and play, no driver required, good heat dissipation, stable performance. 3、SUPPORT 128 DEVICES: Support up to 128 devices per channel, support 152.2Kbps high baud rate. 4、INDUSTRIAL GRADE: Using industrial grade components and metal housing, it can work in a wide temperature range of ‑40°C to 75°C (‑40°F to 167°F). You can use it in harsh outdoor environments. 5、WIDELY USED: Serial device server is widely used in industrial system, communicate, transportation, education, finance, power, security, charging system, etc. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: RS232 RS485 RS422 Optic Modem Material: Iron Voltage: 100-240V Interface: RS232 RS485 RS422 Communicate Distance: Approx. 1200m / 1312.3yd Communicate Rate: 300-115200bps Number of Supported Nodes: 32 Carrying Capacity: Up to 128 Devices per Channel Transmission Medium: Parallel Line/Twisted Pair Isolation Mode: Input and Output Optoelectronic Isolation Power Supply Voltage: DC9-48V <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x RS232&nbsp;RS485&nbsp;RS422&nbsp;Hub1 x Adapter 1 x 2 Position Terminal Block 2 x 8 Position Terminal Block 1 x User Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>