Cisco C880 M4 Hardware Installation Manual page 23

Format of rack posts
Other conditions
Besides structural conditions, the following conditions must also be considered.
- Cooling of devices mounted in the rack
Install the rack such that the temperature inside the rack satisfies the temperature conditions in
Installation
Especially, cover the front of empty spaces in the rack and take other such necessary measures to
prevent exhaust air from devices from recirculating to the air intake.
- Securing the maintenance work area (service area)
Secure the service area required for the maintenance work performed by a certified service engineer.
Referring to the rack service areas in
determine the service areas.
FIGURE A.3 Format of rack posts
Specifications".
1.4 Installation Area and to the installation manual of the rack used,
20
"1.3