He kūpono nā hoʻololi Ethernet RS20/30 Unmanaged no nā noi i hilinaʻi ʻole i nā hiʻohiʻona o ka hoʻokele hoʻololi ʻoiai e mālama ana i ka hiʻohiʻona kiʻekiʻe loa no kahi. hoʻololi hoʻokele ʻole. Loaʻa nā hiʻohiʻona: mai 8 a 25 mau awa ʻo Fast Ethernet me nā koho a hiki i 3x fiber ports a i ʻole 24 wikiwiki Ethernet a me ke koho no 2 Gigabit Ethernet uplink port SFP a i ʻole RJ45 redundant mana hoʻokomo ma o ʻelua 24 V DC, hoʻokuʻu hewa (hoʻoulu ʻia e nalo o hoʻokahi mana hoʻokomo a/a i ʻole ka nalo ʻana o ka loulou (mau) i kuhikuhi ʻia), ke kūkākūkā ʻakomi a me ke ala kaʻa, nā ʻano koho hoʻohui no Multimode (MM) a me Singlemode (SM) fiber optic ports, koho o ka hana wela a me ka conformal coating (maʻamau ka 0 °C i +60 °C, me ka -40 °C a +70 °C loaʻa pū kekahi), a me nā ʻano ʻae like ʻole. IEC 61850-3, IEEE 1613, EN 50121-4 a me ATEX 100a Zone 2.