The following technologies have a common goal of being able to route packet technologies (Ethernet) across a network in a deterministic way while providing a stable system with management and fault-finding abilities. Technologies such as SDH/SONET, which is connection-oriented, are very deterministic in routing and quality but they are also very inflexible with regards to […]
On-site termination of an MPO/MTP® connector with 12, 24 or even up to 72 fibers is obviously no longer possible. In other words, if you use MPO connectors you also have to use trunk cables (Figure 11) delivered already cut to length and terminated. This approach requires greater care in planning but has a number […]
In terms of physical properties, the difference between these two fiber types is the diameter of the core—the light-carrying region of the fiber. In 62.5/125 fiber, the core has a diameter of 62.5 microns and the cladding diameter is 125 microns. For 50/125, the core has a diameter of 50 microns with the same cladding […]
There are three strong reasons for the broad acceptance and rapid growth of twisted pair as the horizontal medium: low initial cost, the ability to deliver higher data rate LAN services and the flexibility to use one medium for all services. As speeds increase, copper-based LANs will require more complex and expensive electronics. Although, fiber’s […]
The connectors and adapters are coded throughout to ensure the correct orientation of the plug connection. The three polarity methods A, B and C as defined in TIA-568-C, for their part, are used to guarantee the right bi-directional allocation. This chapter describes these methods briefly. Method A Method A uses straight-through type A backbones (pin1 […]
What is MPO connectors: structure and function The MPO connector (known as multi-fiber push-on and also as multi-path push-on) is a multi-fiber connector defined according to IEC 61754-7 and TIA/EIA 604-5 that can accommodate up to 72 fibers in the tiniest of spaces, comparable to an RJ45 connector. MPO connectors are most commonly used for […]
US Conec unveiled its new MTP-16 multi-fiber connector at the 2015 European Conference on Optical Communication (ECOC) in Valencia, Spain (Sept. 19-21) The company states that the MTP-16 connector will support next-generation 400G applications while offering the highest density physical contact for the multi-fiber connector format available on the market today. The MTP-16 connector family […]
VDSL2 & Co: ever more promising technological developments VDSL2 has begun to be implemented, and several telcos have based their ultra-fast broadband strategies squarely on copper infrastructure right up to the customer premises. If VDSL can deliver theoretical speeds of around 50 Mbps near the exchange or cabinet, Vectoring, which consists of reducing noise among […]
To cope with the significant increase for storage and on-demand delivery of digital content, enterprises need to boost their optical-pipe capacity. Most turn to coarse wavelength-division multiplexing (CWDM) and dense wavelength-division multiplexing (DWDM) to scale up and avoid installing new fiber. Whether they are planning to lease this extra capacity or use it themselves, someone […]
It is important to know the maximum speed that any network can provide, either now or in the future, because bit-rate requirements are growing and choices made today will affect the technical capabilities of the network tomorrow. Although it is difficult to predict the future, Nielsen’s law of Internet bandwidth described earlier provides a guide […]
