skip to content
 

To help distinguish a rack from a cabinet, consider the rack as the two- or four-post framework to which the IT equipment is secured; either directly or by way of rack rails. The perceived drawbacks with open frame racks illustrates the current trend for enclosed cabinets; that easy access raises security fears due to their susceptibility to damage, either accidental or malicious; that production equipment is exposed to contaminants, dirt and debris; and that exposed cables and cable managers, if poorly maintained, lead to poor aesthetics.

For the full article on which this summary is based, see Rack versus Cabinet: Which is Right for You? at Anixter's website.
 

Rack standards

  • Rack enclosures have vendor neutral mounting rails. They are fully adjustable and compatible with all compliant 19” equipment. See Vertiv rack details for further information.
     
  • Access points for power and data pathways are at the top of the cabinets.
     
  • Blanking panels will be installed in any unused rack space to minimize cold/hot air mixing.
     
  • Brushed blanking panels are available for instances requiring front-to-back cable runs:

    blanking panels
     

  • Horizontal cable management bars are available:

    cable management bars
            

  • Patch cabling is to be contained within each cabinet.
    • Structured fibre cabling is presented within each of the racks
    • Structured Ethernet cabling can be supplied upon request
  • No superfluous items are to be left inside cabinets including, but not limited to:
    • Keyboards
    • Monitors
    • Documents
    • Post-It notes
    • Packaging
    • Fibre Optic cable terminator protectors
    • Tie wraps
       

Rack dimensions

  • WCDC:
    • Data Hall 3 - Knurr Racks
      • External dimensions: Width 800mm x Depth 1200mm
      • The space between the front and rear rack strut is 720mm
      • The space between the cabinet edge and the front rack strut is 100mm
      • The space behind the rear rack strut and the cabinet edge is 310mm
      • 47U
    • If the gap is to be extended, to accommodate deeper devices, bear in mind that prescribed cable bend radii need be observed, and that vertical power strips need to be accommodated; these concerns will reduce the theoretical maximum to which the rack depth could be extended.
  • Soulsby Building:
    • SBY-Ax - Rittal Racks
      • The space between the front and rear rack strut is 740mm
      • Scope to extend at front up to 400mm; assuming rack mounted power strips are installed, plus possible loss of vertical cable management tray.
    • SBY-Ex - Unknown brand
      • The space between the front and rear rack strut is 740mm
      • There is no scope to alter the position of the rack struts

UIS Service Desk

Phone padded  Service status line: (01223 7)67999
Website  Sign up for SMS/email status alerts
Website  Read major IT incident reports

UIS bITe-size bulletin

A regular newsletter aimed at the University's IT community, highlighting service and project news from UIS.

Sign up >

Latest news

New email address policy: an update from the Chair of the Information Services Committee

5 May 2022

This update from Professor Andy Neely was sent directly to Cambridge staff by email on Thursday 5 May 2022. Dear all, As Chair of the University’s Information Services Committee, I wrote to you in December 2021 with news about a new University policy on the allocation and management of email addresses. This relates to all...

We’re thinking creatively as part of Learning at Work Week – are you?

4 May 2022

Join us and start thinking creatively to enhance your work and problem-solving skills as part of the national campaign, Learning at Work Week from 16 to 20 May.

Wireless access point rental charge increases for 1 August 2022

3 May 2022

We’ve published details of the University Wireless Service’s access point rental charge increases, which will come into effect on 1 August 2022. We hope this helps institutions that rent access points from us to adjust their budget projections accordingly. Worldwide silicon chip shortages and growth in logistical costs...