Sorry, we were unable to sign you in.
Please check your email address and password.
Your last basket is still available
The basket of your last visit to Black Box is still available.
Would you like to view the products in this basket?
The Black Box website uses cookies. By continuing the use of the Black Box website, or by pressing the agree button on the right, you consent to the use of cookies on this website.
More information.
Cable construction and delay skew. • Cat5 extender and CAT5e or CAT6 cables (delay skew) • If you connect CAT5e or CAT6 cable to a CAT5 extender, the result is blurry images on your monitor. The effect is known as delay skew, but do you know w...
Shielded Ethernet Cables • Shielded Ethernet Cables • STP and S/STP • Two basic types of shielded cables are offered by Black Box and the Industry.The first group are cables with an overall shield know generically as STP. The second are constr...
...twisted-pair (STP) cable using either a DB9 connector or a unique square connector called the IBM data connector. Later, Token Ring was adapted to use conventional unshielded twisted-pair (UTP) cable with RJ-45 connectors. The most common kinds...
SFP, SFP+, and XFP transceivers • SFP, SFP+, and XFP transceivers • SFP, SFP+, and XFP are all terms for a type of transceiver that plugs into a special port on a switch or other network device to convert the port to a copper or fiber interfac...
...to consolidate the cable clutter associated with multiple peripherals and ports, USB supports all types of computer- and telephone-related devices. • USB detects and configures the new devices instantly • Before the arrival of Universal Serial ...
...of Cat 3 and Cat 4 cables • Category 3 • Category 3 is the performance level for voice and data transmission up to 16 MHz or 10 Mbps, such as 4-Mbps Token Ring and 10BASE-T. • Category 4 • Categroy 4 is the performance level for voice and data ...
...on the use of S/FTP cable to 1000 MHz. It can support 10GBASE-T transmissions. With both types of cable, each twisted pair is enclosed in foil. In S/FTP cable, all four pairs are encased in an overall metal braid. In F/FTP, the four pairs are en...