EoW March 2011

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EuroWire – March 2011 40
technology news
Daetwyler Cables has added another time – and money
saving solution to its portfolio of complete copper and
fibre-optic technology solutions for data centres with the
Break Out system (BO).
The BO System is based on very compact multiple cables
(trunks) with 12, 24 and 48 mini fibre-optic cables all
contained within a single outer sheath. The mini FO cables are
pre-assembled with LC connectors on both sides.
Daetwyler supplies them with OM3 grade multimode fibres
(G50/125μ) or OS2 grade single-mode fibres (E09/125μ), each
of which is protected by aramide yarn and has its own sheath.
With a diameter of 1.8 millimetres each, even the BO multiple
cables are very thin: the external diameter of trunks with 24
mini cables is only 1.1cm, that of trunks with 48 individual
cables only 1.84cm. The latter can easily be terminated in a 1U
height distribution panel.
The pre-assembled Break Out cables with LC connectors on
both sides are just as easy to handle as pre-assembled copper
patch cables.
This means that BO System installations in data centres are
speeded up considerably by comparison with other solutions,
especially with on-site splicing. The BO multiple cables are also
characterised by very small permissible bending radii.
The optical distribution boxes supplied by Daetwyler for the
BO System are OV-A models with exchangeable front plates,
pre-assembled couplers (24 LCD) and two rear cable entries
which can be either straight or angled.
Because of the small diameter of the BO cable, the inputs
and the strain relief in the distribution panel are provided by
commercially available cable glands (M25). Cable dividers are
entirely redundant in this FO cabling system.
Thanks to two cable inputs, multiple groupings are also
possible in the distribution panels, for example 24x OS2 and
24x OM3 to 1U. Excess fibre lengths of 1.5 metres in the box
make for easy replacement of connectors during servicing.
Daetwyler Cables – Switzerland
Fax : +41 41 875 19 86
Email:
Website:
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