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 ka nalowale o ka mana hoʻokomo hoʻokahi a/a i ʻole ka nalowale ʻana o nā loulou i ʻōlelo ʻia), ke kūkā ʻana a me ke kaʻa kaʻa, nā koho hoʻohui like ʻole no nā awa fiber optic Multimode (MM) a me Singlemode (SM), koho i nā mahana hana a me ka conformal. ka uhi ʻana (maʻamau ka 0 °C a +60 °C, me -40 °C a +70 °C pū kekahi), a me nā ʻano ʻae like ʻole me IEC 61850-3, IEEE 1613, EN 50121-4 a me ATEX 100a Zone 2.