Upvel UP-204MGEC 4G Switch ports:4 x 10/100 / 1000Base RJ-45 Port Auto-negotiation, Auto MDI / MDIX,2 x 100 / 1000Base-X SFP / 100 / 1000Base RJ-45 Ethernet, 1 x Console: RJ-45 (RS-232) Standards: IEEE802.3 10Base-T,IEEE 802.3ab 1000Base-T,IEEE802.3af Power over Ethernet (PoE),IEEE802.3at Power over Ethernet (PoE +),IEEE 802.3az Energy Efficient Ethernet,IEEE 802.3x - Flow Control, IEEE 802.1Q - VLAN, IEEE 802.1p - Class of Service, IEEE 802.1D - Spanning Tree,IEEE 802.1w - Rapid Spanning Tree, IEEE 802.1s - Multiple Spanning Tree, IEEE 802.3ad - Link Aggregation Control Protocol (LACP), IEEE802.1v - Protocol VLAN, IEEE 802.1AB -LLDP (Link Layer Discovery Protocol),IEEE 802.1X - Access Control PoE control: Turn on / off for each port, Setting priority for each port, Maximum power for each port / system, Setting PoE mode for each port, PD classification, PoE status QoS: Priority queue: 8 queues / port, IScheduling for priority queue: WRR / Strict Priority scheduling / Hybrid, I802.1p / IP Precedence / IP TOS Precedence, IIP DSCP / Port based Priority, IRate Limiting: Ingress / Egress: 1Kbps / 1pps granularity Control Protocol:Static Trunk & IEEE 802.3ad with LACP, Max. Group: 5, Max. Ports / Group: 8 Jumbo Frame Support: 9K MAC table size: 8K Nutrition:100 - 240 V AC, 50 - 60 Hz, up to 2 A, built-in power supply