PLANET™ ICS-120 Serial Device Server is specially designed to convert two serial RS232/RS422/RS485 communication interfaces into Fast Ethernet networking to extend the network distance efficiently and inexpensively. There is one 10/100BASE-TX RJ45 port in the ICS-120, making connected serial equipment become IP-based, and able to also connect to a TCP/IP networking immediately. And its operating temperature ranging from -10 to 60 degrees C is designed for all your network requirements.