... in harsh dangerous environment.Ck-if80 series supports 8 TP ports,Ck-if71 series supports 7 TP ... , Port link, abnormity alarm indication, 10M/100M RateTechnology850nm, 1310 nm, 1550nm: IEEE802.3, IEEE802.3x, IEEE802.3uForwarding and ... 5 (Surge), EN61000-4-6 (CS), EN61000-4-8, EN61000-4-11 Shock: IEC 60068-2-27 Free ... and single fiber is optinal Industrial 8 port Ethernet Switch/Media Converter Ck-if80