...multimode fiber optic cable. The ISO/IEC 11801 Ed 2.1:2009 standard specifies categories OM1, OM2, and OM3. The TIA/EIA recognizes OM1, OM2, OM3, and OM4. The TIA/EIA ratified OM4 in August 2009 (TIA/EIA 492-AAAD). The IEEE ratified OM4 (802.ba) i...

...Explains: Fibre Optic Cable • Fibre optic cable is one of the fastest growing transmissions mediums for both new cabling installations and upgrades, including backbone, horizontal and even desktop applications. • The Black Box explain series make ...

...Box Explains: Copper Cable • Choosing the right copper cable for your network can be a daunting proposition. You have to consider many factors such as network equipment, available space, bandwidth specifications, total cost of ownership, future a...

...Angled Patch Cables and Patch Panels • Space-saving solutions for high-density infrastructures • In a survey* of IT professionals, 85% said they are increasing density to: • 50%: Reduce cabinet/rack space. • 47%: Lower costs. • 38%: Save ...

...video over CATx cable at distances greater than 30 metres. • As cable length increases, picture quality decreases. Smearing is caused by the cable attenuating high-frequency signals. The image is also dimmer because of the cable’s resistance...

...by ISDN or 56K analogue modem services. This is a crucial feature for maintaining the availability of your critical network equipment because you cannot access your serial ports through standard device or terminal server capabilities if your network...

...users plug their laptop modems into a hotel phone jack, call your LAN’s phone number, and then access the LAN as if they were on-site and connected directly to the network—albeit at a slower speed. • The most common use for remote access is to provi...

50-µm fibre optic cable • Fibre optic cable. • The background • As today’s networks expand, the demand for more bandwidth and greater distances increases. Gigabit Ethernet and the emerging 10-Gigabit Ethernet are becoming the applications of c...

...fibre optic cable • Loose-tube vs. tight-buffered fibre optic cable • There are two styles of fibre optic cable construction: loose tube and tight buffered. Both contain some type of strengthening member, such as aramid yarn, stainless s...

Digital optical cable • Digital optical cable • Prodcts using digital output connectors • Many new, high-quality Mini Disc, pro-audio, DAT (Digital Audio Tape), CD, DVD, and laser disc players, as well as digital amplifiers, DSS satellite rece...