background image

Cable management for rack-mounted systems 

technology brief, 2

nd

 edition 

Abstract.............................................................................................................................................. 2

 

Introduction......................................................................................................................................... 2

 

Cable routing guidelines....................................................................................................................... 3

 

Separation of power and data cables ................................................................................................ 3

 

Retention of excess cable .................................................................................................................. 3

 

Protection of cables .......................................................................................................................... 3

 

Securing cables and connectors......................................................................................................... 3

 

Securing data cables .................................................................................................................... 3

 

Securing power cables and connectors ........................................................................................... 4

 

Cable bend-radius restrictions............................................................................................................ 4

 

Thermal issues with cable routing....................................................................................................... 5

 

Routing fiber optic cable ................................................................................................................... 5

 

Routing network cable ...................................................................................................................... 6

 

HP Cable Management Kit ................................................................................................................... 6

 

HP Factory Express services .................................................................................................................. 7

 

For more information............................................................................................................................ 8

 

Call to action ...................................................................................................................................... 8

 

 

 

Содержание P-FD8GBX2-V125W-FS - v125w 8 GB USB 2.0 Flash Drive

Страница 1: ... Retention of excess cable 3 Protection of cables 3 Securing cables and connectors 3 Securing data cables 3 Securing power cables and connectors 4 Cable bend radius restrictions 4 Thermal issues with cable routing 5 Routing fiber optic cable 5 Routing network cable 6 HP Cable Management Kit 6 HP Factory Express services 7 For more information 8 Call to action 8 ...

Страница 2: ...ure 1 can result in several types of issues Reduced performance due to signal crosstalk and interference across adjacent cables Difficult maintenance because components are blocked by cables Hazardous situations of damaged cables due to unchecked or unprotected movement Thermal cooling issues due to poor or restricted airflow around active components Any of the above situations can require unsched...

Страница 3: ...ds of handling excess cables Run and attach excess cables for easy safe maintenance activities and proper operations Ensure that secured cables are not pinched damaged or kinked refer to the Cable bend radius restrictions section of this paper When possible use all cable management arms included in component kits Use HP cable management kits described later in this paper for maintaining and managi...

Страница 4: ...cables with removable ties to prevent accidental removal of the cords from the system Figure 2 Example of retaining clamp system securing power cords on HP products Cable bend radius restrictions Routing cables typically requires looping excess cable or bending cable around chassis components The bend radius is defined as the minimum radius Figure 3 to which a cable may safely be bent without dama...

Страница 5: ...increase sensitivity to noise For fiber optic cables micro bending of fibers that results in degradation of light transmission or breaking of fibers which results in loss of signal Thermal issues with cable routing HP rack mountable products that use forced air cooling typically draw cool air through the front of the chassis and push warm air out the back If this air flow is restricted in any way ...

Страница 6: ...ommends the following guidelines for routing data cables For components that must be movable while powered on ensure that a full range of motion is possible without cable interference or disconnection When securing cables inside the rack dress the bundle in a way that avoids interference with installed components rack side panels or rails Do not block access to field replaceable components HP Cabl...

Страница 7: ...outing The three levels within the trays allow for routing power data and fibre channel cables separately Rack to Rack Adjustable Cable Tray Aisle Transfer Bridge 383984 B21 Adjustable cable bridge used to transfer cables from the back of a rack across the datacenter hot aisle to the back of another rack Comes in a single size HP Factory Express services HP provides system integration services thr...

Страница 8: ...o factory express Call to action Send comments about this paper to TechCom HP com 2007 Hewlett Packard Development Company L P The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional w...

Отзывы: