Ernitec ELECTRA-U04-1GB-60W network switch

The device features four 1000Mbps Power over Ethernet (PoE) ports, one 1000Mbps RJ45 port, and one 1000Mbps SFP port.
It adheres to IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, and IEEE 802.3x standards. The RJ45 port is adaptable to 10/100/1000Mbps speeds.
For flow control, full duplex mode utilizes the IEEE 802.3x standard, while half duplex relies on the back pressure standard. It supports automatic port flipping (Auto MDI/MDIX), employs a store-and-forward switching mechanism, and has panel indicator lights for monitoring operational status and aiding in troubleshooting.
Additionally, it supports VLAN, Default, and Extend modes.