User manual

Physical Installation

Mounting the Wide Bank 28 DS3

4-6 July 2004 Wide Bank 28 DS3 - Release 2.4

Rack Mounting - Non-FFO Equipped Units

 Horizontal Mounting in a Standard EIA or WECO Rack ... 4-6

 Vertical Mounting in a Standard EIA or WECO Rack ... 4-7

NOTE: When mounting Non-FFO Wide Banks horizontally in the same rack,

follow the mounting instructions below to meet the NEBS Operating Temperature

Criteria and to allow sufficient cooling to prevent thermal shutdown under

maximum load conditions.

Horizontal Mounting in a Standard EIA or WECO Rack

Mount Wide Banks, as shown in Figure 4-3, in groups of up to four units, with the units in each

group separated by one rack unit (1 3/4 inches). Separate the four-unit groups with four rack

units (7 inches of open space. The Wide Banks can be horizontally mounted in either a standard

EIA 19-inch rack or a standard EIA/WECO 23-inch rack using the mounting brackets shipped

with the unit.

Figure 4-3 Horizontal Mounting in a Standard Rack

FUSE PANEL

At least 4

rack units

(7 inches)

of empty

space

Up to 4

Wide

Banks

At least 1

rack unit

(1.75 inches)

between

units

4 RU