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Since Active Optical Cables (AOC) and Direct Attach Cables (DAC) are a alteration of optical transceiver, they are used to connect switches with one another when creating a stack or switches to routers or servers. A Direct Attach Cable (DAC) can be produced as passive or active variant. As the passive DAC has no active components, it offers a direct electrical connection between corresponding cable ends. This method can also be completed by an active DAC, which is considered active because there are extra electronics embedded inside the connectors. Therefore it helps to advance signal quality, offering a longer cable distance. The DAC is a fixed assembly that can be bought in several lengths for short distances of up to 15 Meter.

The manufacturer of network products CBO, announces its new partnership with the distributor reichelt elektronik. As an addition to the extensive portfolio of reichelt elektronik, BlueOptics and BlueLAN products have now been introduced, which are now available through the distribution channels of the new partner.

Dense Wavelength Division Multiplexing or DWDM is one of the two methods used for wavelength division multiplexing in fiber optic communications, the other being coarse wavelength division multiplexing or CWDM. Wavelength division multiplexing is a technique which multiplexes several optical signals onto a fiber optic cable by using different wavelengths of the light.

The manufacturer of BlueOptics and BlueLAN network products, CBO, welcomes the e-commerce specialist DiTo-Shopping as a new partner. As of now, customers can purchase BlueOptics and BlueLAN products through the new DiTo shopping platform blueoptics-shop.de.

The CWDM transceivers are working in a specific optical frequency ranges defined by the ITU-T. In 2002 the ITU standardized a channel spacing grid for use with CWDM (ITU-T G.694.2), using the wavelengths from 1270nm through 1610nm with a channel spacing of 20nm.