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| | Hi, I'm new to this forum but I had some questions regarding the pre-installation of cabling for datacenters. How common is it for datacenters to pre-install cabling prior to utilizing their space? We are looking at potentially pre-installing some cabling for a datacenter that may have a mix of both mainframes and blade servers, and are trying to calculate if it would be cheaper for us to do all the cabling at once or if it would make sense for us to only cable what we need. Also, if preinstallation of cable is common/becoming common, what sort of configurations would you recommend, both for mainframes and blade servers? Appreciate any input. |
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| Well,this is a though decision. First you have to know how many servers (manufactures, model), what kind of Main frame or SAN or..... are they are going to deploy in it.
The layout will be other important issue. If you can solve these, then you can start designing the cabling worth for such equipments, it could be a simple twisted pair (10 gpbs or multimode or single mode fiber.
Are they going to run Fibre Channel (typical) or over Ethernet? is there the IP /IP-PBx /campus/bldg switches?
My suggestion is ; keep tight to the end user needs, to give the best advice, plan, design and deploy just a 20 to 30% "drops" (here you will put patch panels back to back), always use the latest category available (Cat 6A -shielded or unshielded- or...) the Class F if you want to be on the technology edge. This will depend on the kind of DC you are designing/installing (hosting/corporate/medium/large....)
BUT always left BROAD (55 cm mesh tray type) pathways ready for late installing, most of the projects growth even the day one has not arrive. So BE - PREPARE for the request of the boss .....our customer.
I hope this could help you
saludos
roberto sanchez,RCDD
Perfil Activo y Creativo, S.A. de C.V.
México |
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| | What test procedure Do you recommend me for Trunking Cable of Fiber? Thank you for your support. Yuri Bravo Lima- Peru
Yuri BravoLima-Perú |
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| These elements form a barrier that separates the interior of the building from the outdoor environment. The building envelope.
Building Envelope Consuiltant |
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| Heisan, Peter. It is important to plan for future cable space: understand how you would install double or quadruple the expected square cm. of expected cable.
There have also been efforts to convicnce that you should install all structured cabling beforehand. For example, some standardas documents suggested (required?) that Cat6 structured cabling should be pre-installed, in order to support future EIA/TIA standards. This was potentially misleading.
I would suggest that you need to plan:
(1) how you plan to install future cable tray, if the need arises... even to quadruple the expected cabling.
(2) how you will build enough cable tray immediately, to meet initial demand .
(3) how you will pre-install cabling, to meet initial demand.
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| DCmachina (8/28/2011)
Heisan, Peter. It is important to plan for future cable space: understand how you would install double or quadruple the expected square cm. of expected cable.
There have also been efforts to convicnce that you should install all structured cabling beforehand. For example, some standardas documents suggested (required?) that Cat6 structured cabling should be pre-installed, in order to support future EIA/TIA standards. This was potentially misleading.
I would suggest that you need to plan:
(1) how you plan to install future cable tray, if the need arises... even to quadruple the expected cabling.
(2) how you will build enough cable tray immediately, to meet initial demand .
(3) how you will pre-install cabling, to meet initial demand.
Initial demand is the easy part! Sorry to say, I don't think you understand data centers or just do not talk with the correct people in the planing of new devices. Pathways are one thing, but port counts are something else. If you know your space it is not hard to get two or three weeks lead time.
Captain Cable |
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| | cable trunking for fibre could be done under floor or over head, there are special containers from systimax panduit and diffrent manufac. for the same if it is underfloor (Rare) as observed it has to be closed and sealed in the metal trunking also called raceways. The overhead is very easy to maintain but Underfloor is difficult for maintainance. Please let me know if you have any queries, happy to help.
Thanks,
Debayan |
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| DG (10/5/2011)
cable trunking for fibre -- The overhead is very easy to maintain but Underfloor is difficult for maintainance. Please let me know if you have any queries, happy to help. Are you talking about building a system?Tell us again why we should have the "cabling" overhead?
Captain Cable |
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