A compilation of articles that discuss current standard specifications as well as cabling choices that relate to data centers is available for free download from Cabling Installation & Maintenance. Entitled "Standards and Cabling Options for Data Center Networks," the document includes articles covering TIA-942-A, market and technical updates on 10GBase-T, design techniques that optimize energy efficiency, and a technical look at the prospects for all-optical cabling in environments including data centers.
Cabling Installation & Maintenance describes the guide, and the value of its content, as follows: "Data centers present the most opportunity and greatest challenges for designers, installers and managers of networks and structured cabling systems today. Industry standards, combined with new developments by vendors across the networking spectrum, provide a technology roadmap for those who must plan and implement structured cabling systems in data centers of all sizes. This ... guide provides information on the latest standards developments as well as cabling-media options, to guide professionals planning long-term support for their data center applications."
The guide can be downloaded at no cost to anyone who provides their contact information. In order to download the document, please use one of the following browsers at minimum: Firefox 3.6, Internet Explorer 8, Chrome 19. Also, users should disable popup blockers, because the download page appears as a popup on a user's screen.
If you're up for all of that, you can download the document here.