Black Box LGB505A Unmanaged Gigabit Ethernet (10/100/1000) Black network switch

4x 10/100/1000-Mbps RJ-45, 1x SFP, IEEE 802.3x, 130 x 77 x 24 mm, 280 g - Features four 10-/100-/1000-Mbps ports pus one SFP slot.
- SFP port enables single-mode or multimode Gigabit fiber uplinks over long distances, depending on the SFP you choose.
- Use for expanding small to medium networks.
- Ideal for applications such as: LAN access switching, data center to the closet aggregation, and for test labs.
- Easy to use. Just plug and play.
- Speed auto-negotiation automatically detects if devices are running at 10-, 100-, or 1000-Mbps and full-/half-duplex and adjusts accordingly.
- Auto-MDI/MDI-X eliminates need for cross-over cables.
- Receives and forwards traffic seamlessly with non-blocking wire speed.
- Store-and-forward switching maximizes performance while minimizing the propagation of bad network packets.
- Delivers dedicated full-duplex 2000-Mbps bandwidth.
- Supports IEEE 802.3x flow control.