Chapter 5: Pit Installation
24
R900 cellular endpoint Wall and Pit MIU Installation and Maintenance Guide
Tools and Materials
See Chapter 3, General Installation Guidelines, for the recommended tools and materials
you need to successfully install the R900 cellular endpoint.
Site Selection
Installation and operation in moderate temperatures increase reliability and product life. For
more information, see "Environmental" on page 4.
Follow these guidelines when selecting a location to install the R900 cellular endpoint.
• Select a location where there is no chance that another object can be set over the
pit lid.
• Avoid installing the R900 cellular endpoint behind metal fences or walls.
• Consider the following clearances for the R900 cellular endpoint – Pit w/internal antenna
Table 10 – Required clearances for the R900 cellular endpoint – Pit w/internal antenna
from pit lid to
2-1/2" 3"
distance from pit lid
edge
2-3/16" 3-3/16"
Recommended distance (3-3/16" ) is
needed to support the external cellular
antenna if desired in the future
C. Pit Lid Length 11” 13”
For smaller pits, utilize the R900 cellular
endpoint w/external antenna
D. Pit Lid Width 9” 11”
For smaller pits, utilize the R900 cellular
endpoint w/external antenna
Pit Lid Material Plastic Only
Lid material must be non-metal & non-
metallic material. Pits with metal pit lids
require the R900 cellular endpoint
w/external antenna
Some items may not apply to your specific installation, or the list may not contain
all required tools or materials.
Always follow your company's safety practices and installation guidelines when
installing an R900 cellular endpoint. Never perform an installation during a lightning
storm or under excessively wet conditions.
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