Item Type: RS232 RS485 RS422 Optic Modem <br>Material: Iron <br>Voltage: 100-240V <br>Interface: RS232 RS485 RS422 <br>Communicate Distance: Approx. 1200m / 1312.3yd <br>Communicate Rate: 300-115200bps <br>Number of Supported Nodes: 32 <br>Carrying Capacity: Up to 128 Devices per Channel <br>Transmission Medium: Parallel Line/Twisted Pair <br>Isolation Mode: Input and Output Optoelectronic Isolation <br>Power Supply Voltage: DC9-48V1、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. <br>2、BIDIRECTIONAL COMMUNICATE: RS232 RS485 RS422 fiber converter two way communicate, plug and play, no driver required, good heat dissipation, stable performance. <br>3、SUPPORT 128 DEVICES: Support up to 128 devices per channel, support 152.2Kbps high baud rate. <br>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. <br>5、WIDELY USED: Serial device server is widely used in industrial system, communicate, transportation, education, finance, power, security, charging system, etc.1 x <br> <br>RS232&nbsp;RS485&nbsp;RS422&nbsp;Hub<p>1 x Adapter</p><p>1 x 2 Position Terminal Block</p><p>2 x 8 Position Terminal Block</p><p>1 x User Manual</p>