IEEE 802.3 for 10BASE-T IEEE 802.3u for 100BASE-T(X) IEEE 802.3ab for 1000BASE-T IEEE 802.3z for 1000BASE-X IEEE 802.3x for Flow Control/ Back pressure control IEEE 802.1d-2004 for Spanning Tree Prot

8-Port Managed IEC 61850-3 Gigabit switch with 2 SFP ports, 24~57 VDC power input

8-Port Managed IEC 61850-3 Gigabit switch with 2 SFP ports, 100-240 VAC power input

8-Port Managed IEC 61850-3 Gigabit switch with 2 SFP ports, 110-370 VDC power input

12-Port Managed IEC 61850-3 Gigabit switch with 4 SFP ports, 24~57 VDC power input

12-Port Managed IEC 61850-3 Gigabit switch with 4 SFP ports, 100-240 VAC power input

12-Port Managed IEC 61850-3 Gigabit switch with 4 SFP ports, 110-370 VDC power input