ADC and 3 Doubler - Manual (Page 17)

LTPH-UM-1234-01 Generic Information
HDU-409 Lists 1, 2, and 3 April 30, 2003 11
1 Always leave at least one empty slot between adjacent doublers. The
adjacency rule only applies to the left and right sides of the doubler. The
top of one unit can be adjacent to the bottom of another, but should be
avoided.
2 Allow as much room as possible between doublers on all four sides.
Rule 1 does not apply to the HRE-819, the Keptel RF 819, and
all enclosures listed in
Table 5 on page 12 with Universal Card
Cage enclosures. These products have the required slot
separations built into their design.
Table 4. HDU-409 Indoor Enclosure Capacities
Vendor Description Model No.
HDU-409
Doubler
Capacity 239 T1
Repeater
Capacity
CHARLES Indoor wall mount CiAC2300 7 7
CiAC2002 2 2
SPC Indoor rack/wall mount 4400-09 18 18