1. Active type: It can regenerate and amplify the signal on the connected network medium, which can make the connected medium length reach the maximum effective length, and it needs a power supply to work. At present, most HUBs are of this type. 2. Passive: It only acts as a connector, it can work without a power supply, which is rare in the market. 3.?Hybrid: You can connect multiple types of cables, such as coaxial and twisted pair. USB HUB FUNCTION USB hubs are sometimes integrated into other devices, such as keyboards, monitors, printers, or the front of a computer case. In fact, when a computer host has multiple USB ports, they all come from one or two main USB ports inside the motherboard, rather than independent hardware. In theory, a host USB interface can connect up to 127 peripheral devices.
