OmniSwitch 6855 Series Hardware Users Guide March 2009 page 3-1
3 Mounting OS6855-24 and
OS6855-U24
Note. Never obstruct the air intake or exhaust vents located on the chassis. Obstructing these vents can
cause switch failure. Always follow the recommended clearance values.
General Mounting Recommendations
Be sure that your switch is placed in a well-ventilated, static-free environment. Always allow adequate
clearance at the front, rear, top, and sides of the switch. Refer the the table below for detailed
information on recommended chassis clearances.
Recommended Clearances
Always allow adequate clearance at the front, rear, top, and sides of the switch. The following table shows
the recommended minimum clearances for adequate chassis airflow and access to cabling and
components at the front and rear of the chassis.
Note. Clearance recommendations at the front and rear of chassis are for access to cabling and
components only and are not intended as a specific airflow requirement.
Location OS6855-24 OS6855-U24
Top No minimum clearance required. However,
be sure that the top of the chassis is not in
direct contact with any equipment above.
0.875 inches (1/2 RU)
Bottom No minimum clearance required. However,
be sure that the bottom of the chassis is not
in direct contact with any equipment below.
No minimum clearance required. However,
be sure that the bottom of the chassis is not
in direct contact with any equipment below.
Sides 2 inches 2 inches
Rear 6 inches (see note below) 6 inches (see note below)
Front 6 inches (see note below) 6 inches (see note below)