By Wi-Fi router, the market has been classified into with uplink port
and with normal port.
The ReachNXT 100-8t is the first member of a family of enterprise port extenders and includes 8 ports of 10/100Base-T and a combination 1000M uplink port
(1000Base-T and 1000Base-X SFP).
The Ethernet port supports connectivity to a home computer, and an uplink port
connects either to a cable modem or DSL modem for broadband Internet access.
It has 24 10/100 Base-TX ports plus one crossover uplink port
for maximum flexibility, N-Way auto-negotiation for automatic 10Base-T or 100 Base-TX selection, and support for all standard Ethernet protocols, including TCP/IP, AppleTalk and IPX.
Designed for SOHOs, the device--part of the Structured Media System--is equipped with a 10/100-Mbps Ethernet switch that connects directly to four devices, and has a push-button uplink port
that allows cascading of additional peripherals, such as hubs or switches.
The new product is designed to connect up to five PCs over a 10/100 network and an uplink port
is present which allows another switch - and another five computers - to be added.
The Gigabit uplink port
allows connection distances over a fiber link up to 550 m.--Compex
Switches equipped with uplink ports
(either fixed F/O ports or slots for the insertion of modular ports) which typically have one or two F/O ports and, thus, are suitable for deployment as departmental switches with the uplink port
used to connect them to the enterprise switch.
Unicom has designed its Micro-Fast/4 hub with an Uplink port
for expansion to two hubs, for a total of six ports.