Network Router User's Manual

2-5
Cisco MGX 8260 Hardware Installation Guide
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Chapter 2 Safety and Compliance
Cabling Considerations
Warning To prevent chassis overheating, never install the Cisco MGX 8260 in a room that is not properly
ventilated or air conditioned. For heat and other environmental specifications, refer to
Appendix B, “System Specifications”.
Warning Make sure that your equipment rack has the proper clearances and airflow to ensure adequate
ventilation. Equipment near the bottom of the rack may generate excessive heat that is drawn
upwardandintothe intake ports ofequipment above,leading toovertemperature conditions in the
chassis at or near the top of the rack.
Note Allow clearance of 36 inches in front and behind the rack for maintenance and removal of equipment.
Cabling Considerations
Consider the equipment and cabling that is already installed in the rack. Ensure that cables from other
equipment do not obstruct the airflow through the chassis or impair access to the power supplies or
switching modules. Route cables away from field-replaceable components to avoid disconnecting cables
unnecessarily when performing equipment maintenance or upgrades.
Caution To comply with FCC requirements, segregate the DC power cables from the signal and I/O cables.
Route the signal and I/O cables vertically up or down the rear of the MGX 8260 chassis and route the
DC power cables away from the signal and I/O cables.