... ~ 75° C Provides 100Mbps LC type connector EKI-6558TI and EKI-6559TMI are EN50155 certified IP67 wide temperature industrial switches which ... . EN50155 certification ensures the use of railway application. EKI-6559TMI also provides two additional fiber optic ports to extend ... communication range. Both EKI-6558TI and EKI-6559TMI provide Advantech's X-Ring protocol, which ...