IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) and 100BaseF(X) IEEE 802.3z for 1000Base-X

Industrial 4-Port Serial Device Server, DB9(M), RS-232/422/485, dual power inputs

Industrial 4-Port Serial Device Server, Terminal Block, RS-232/422/485, 3KV Isolation, dual pwr

Industrial 4-Port Serial Device Server, Terminal Block, RS-232/422/485, dual power input