IGS-9844GPF(X) series are managed redundant ring Ethernet switch with 8x10/100/1000Base-T(X) ports and 4x100/1000Base-X SFP ports and 4x100Base-FX/4x1000Base-X optical fiber port with SC connector. With complete support of Ethernet Redundancy protocol, ORing (recovery time < 30ms over 250 units) and MSTP protect your mission-critical applications from network interruptions or temporary malfunctions with its fast recovery technology, supporting wide operating temperature from -40~70 oC.