Cisco Nexus 7718 Hardware Installation Manual page 28

Clearance Requirements
3 Vertical rack-mount posts and rails
4 Area required for fan tray handles
(allow 2 inches [5 cm])
5 Nearest object or inside of cabinet
(no side clearance required)
6 Air intake from cold aisle for all
modules and power supplies
7 Air exhaust to hot aisle for all
modules and power supplies
8 No left side clearance required (no
airflow on left side)
Figure 4: Clearances Required for the Chassis , on page 17
Note
conventional cold-aisle to hot-aisle systems which include rack enclosures with perforated front and rear
doors. The information given above does not apply to enclosures which have a solid rear or front door or
wall with other inlet or exhaust configurations. We recommend consulting a cooling professional if a solid
rear or front door is used.
Cisco Nexus 7718 Switch Site Preparation and Hardware Installation Guide
18
11 Rear service clearance required to replace fan trays and fabric
modules
12 Airflow clearance required between the chassis and inside
of cabinet (if used)
13 Chassis depth
Note The chassis depth will increase by 2 inches when
the 76mm Gen 2 fan tray (N77-C7718-FAN-2) is
used.
14 Clearance required between the front of the chassis and the
inside of the cabinet (if used) or edge of cold aisle (if no
cabinet) for the cable management frames and the optional
front doors
15 Front service clearance required for installing the chassis and
replacing the modules
shows the clearance requirements for
Preparing the Site
OL-30453-01