Tham khảo tài liệu 'krone - white paper - truenet - aires_elec_wp - 2002', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | TrueNet™ AirES™ Technology Electrical Characteristics of the Evolution ™ has developed yet what constitutes a good Dielectric Constant. It may KRONE another industry be relevant to note the Dielectric Constant of Glass leading technology. The AirES product is higher than FEP insulation. This results in fiber range of cables are a true innovation in optic cables having a lower Nominal Velocity of structured cabling. In most evolutionary Propagation (NVP) than UTP copper cables. processes the gain in one attribute WATER often sacrifices another. With the AirES POLYIMIDE-GLASS PVC evolution all attributes, both physical FLAME RETARDANT POLYETHYLENE and electrical, are improved to provide FEP (TEFLON) a "Win Win" situation for both the AIR installer and customer. DIELECTRIC CONSTANT The NVP is the speed a signal propagates through a This white paper will focus on the electrical attribute cable expressed as a percentage of the speed of light advantages of AirES. Herein, we will discuss the in a vacuum (300million m/sec) and given the value of 1. revolutionary development of the technology and the The NVP of a data communications cable can be byproduct effects on any and all electrical parameters. directly calculated from the dielectric constant of the A full glossary of terms is included for further insulating material and differs with change in frequency. understanding. Background To fully understand the benefits of the TrueNet AirES The speed of the signal over multi-pair data commu- solution, one must first understand the fundamentals nications cable is critical for high speed networks. of cabling and the hurdles overcome by this product. This can be attributed to two main factors. Good Dielectric Constant is key in producing high quality data communications cable. The lower the 1. The speed at which the signal is traveling (NVP). Dielectric Constant of the insulation material, the 2. The total length of the cable pair, which allows for .
