Portable network cable tester that will show correct, miswired, shorts or disconnects on RJ45 UTP and STP patch leads. Incorporates a main and separate remote unit enabling easy use also for installed cable lengths. Requires PP3 battery in main unit. Supplied with zip up storage case.

CAT5E CROSSOVER ADAPTOR. Crossover adapter with RJ45 plug to RJ45 socket. 

The USB 3.0 to Gigabit Ethernet Adapter UE300 adds Gigabit Ethernet network connectivity to your Ultrabook,MacBook Air or desktop through a USB 3.0 port. Backward compatible with USB 2.0/1.1 standards,transferring files at ultrafast speed over an Ethernet port.

UGREEN 20210 USB Serial Cable, USB to RS232 DB9 9 pin Converter Cable 1m for Connecting Cisco Routers and Switches,Celestron Telescope Nexstar hand Controller and Extron and Crestron Products, Support Windows 10/8/7/Vista/XP/2000 and Mac OS X 10.6 to 10.11 EI Capitan with PL2303 Chipset

The Gigabit USB 3.0 Ethernet adapter converts a USB port into a 10/100/1000 Base-T Ethernet port. It enables low cost and affordable Gigabit Ethernet network connection to any PC, laptop or embedded system by using your existing USB ports

These are used in pairs and allow two computers to share one connection point simultaneously. One economiser is utilised at the wallplate and another at the patch panel

Send Ethernet data down a cable run of 4 pair twisted cable - the economiser combines/divides the data into 2x 2 pair twisted signals Use in pairs at each end of a cable run