Supports Half-Duplex Flow Control and Full-Duplex Back Pressure Mode, each switchport supports adaptive functionality. Provides a data transfer network with stable performance, high throughput, and wired connection speed for each end user connected to LAN. Each port adopts Store-and-Forward Mode, effectively isolating broadcast storms, avoiding network congestion and conflicts. Supports IPv4 IGMP v1/v2/v3 and IPv6 MLDv1/v2, detecting all ports, supports IEEE 802.3x Half-Duplex Flow Control and Full-Duplex Back Pressure Mode. Product Type: Ethernet Fiber Switch Material: Aluminum Alloy + PCB Model: TBC-S4005E Standard: IEEE 802.3 10Base-T Ethernet IEEE 802.3u 100Base-TX Fast Ethernet. IEEE 802.3ab 100Base-T Fast Ethernet Standard ANSI/IEEE 802.3 Automatic Adjustment IEEE 802.3x Flow Control Protocol: CSMA/CD Forwarding Speed: Ethernet 10Mbps (Half-Duplex) 20Mbps (Full-Duplex) 10Mbps: 14880pps Fast Ethernet 100Mbps (Half-Duplex) 200Mbps (Full-Duplex) 100Mbps: 148800pps Fast Ethernet 2000Mbps (Full-Duplex) Topology Structure: Star Network Medium: 10Base-T: UTP Category 3 or higher (≤100m) 100Base-TX: Category 5 UTP (≤100m) Number of Ports: 5 10/100M RJ45 Ports Forwarding Mode: Store-and-Forward Backplane Bandwidth: 1G Operating System: Suitable for Windows/OS X/Netware/Linux