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150-451-142-04, Revision 04
Installation
HDU-451 List 4B
October 8, 1998
11
I
NSTALLATION
This section describes the installation process for the HDU-451 List 4B.
I
NSPECTING
Y
OUR
S
HIPMENT
When you receive the equipment, inspect it for signs of damage. If damage
has occurred, immediately report the extent of damage to the transportation
company and to PairGain Technologies, Inc. (see
for more information).
I
NSTALLING
THE
HDU-451 L
IST
4B
The HDU-451 mounts in the following PairGain Remote Enclosures:
•
HRE-423 (three-slot, double-width, outdoor, above or below ground)
•
HRE-454 (four slot, outdoor, above or below ground)
•
HRE-450 (single-slot, outdoor, above ground)
•
HRE-420 (single-slot, indoor)
•
HRE-422 (two slot, single width, indoor)
The HDU-451 also mounts in any industry-standard 400-type multi-mount
shelves. Pin-outs used by the HiGain Doubler Unit are shown in
The number of HDU-451 List 4B units that you can deploy in a doubler
enclosure is determined by the ambient temperature and the solar loading. See
“Outside Enclosure Deployment Rules” on page 4
for further information.
To install the HDU-451 List 4B:
1
Mount and cable the HiGain Remote Enclosure as described in the
appropriate enclosure document.
2
Slide the doubler unit into the card guides for the desired slot, then push
the unit into the enclosure until it is seated in the card edge connector.