IES-1050R is unmanaged Redundant Ring Ethernet switches with 5x10/100TX ports. With very compact size of housing, you can install IES-1050R easily. In addition, it also support of Ethernet Redundancy protocol, O-Ring (recovery time < 10ms over 250 units of connection) can protect your mission-critical applications from network interruptions or temporary malfunctions with its fast recovery technology. IES-1050R is with rigid IP-30 housing design and can operate under harsh environment. The feature of wide operating temperature range from -40XC to 70XC can satisfy most requirement of operation.