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Cable management kits
Due to the dynamic nature of the HP MCS environment, the cabling of systems has very few hard
rules. Cable management kits provide an easy way to organize and route cables within the HP MCS.
Several kits are available as options to assist with cabling requirements.
Additional information on cable management kits is available at:
HP general guidelines for cable management are as follows:
• Rack Rear Extension kit (AF058A) is available to provide additional cabling space. The Rack Rear
extension kit will not affect the cooling capabilities of the MCS.
• For good visual reference, do not install cabling until all equipment has been installed in the HP
MCS.
• Avoid dressing cabling tightly over sharp edges of railing or panels.
• Avoid pinching of cables between components.
• Avoid tight bend radii. Cables should never be bent tight enough to cause a crease in the
sheathing. Fiber cables must not violate their minimum bend radius – no exceptions.
• When securing cables inside the HP MCS, the bundle should be dressed in such a way as to avoid
interference with installed components or HP MCS side panels or rails.
• When possible, use all cable management arms included in component kits.
• For components that must be movable while Powered On, ensure a full range of motion is possible
without cable interference or disconnect. Cables dressed on management arms must be secured
enough to prevent movement into interference or pinch areas, yet not so tight as to cause binding to
the arm.
• Separate power and signal cables as much as possible. For example, dress all signal cables on the
Left side of the HP MCS and all power cables on the Right side of the HP MCS.
• Ensure that cabling does not impede the airflow to the rack-mountable servers or increase the
internal HP MCS temperature beyond the specified maximum rating.
• Route all cables away from fans.
A list of available extension kits can be found at the main rack options product page at
www.hp.com/products/rackoptions
Thermal requirements
Equipment that is exposed to excessive heat may not operate correctly and may experience
abnormally high failure rates. The air flows from the front to the rear of the HP MCS. HP recommends
that components only be installed on the front rails for proper airflow.
Automatic door opening mechanism
An Automatic Door Release Kit is included standard with every HP MCS. The kit ships in the
accessories box and is to be field-installed. The Automatic Door Release Kit is designed to swing the
HP MCS front and rear doors open in the case of a sudden increase in the temperature inside the HP
MCS. The open doors will allow the IT equipment to cool using the air from the datacenter.
Insulation Considerations
Flex-Hose exiting the MCS may be insulated to reduce condensation. The insulation should cover the
hose snugly with no gaps, with enough thickness as appropriate.
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www.hp.com/products/rackoptions
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