Cisco Digistar EoC User Manual page 14

Mounting The EP On a Wall
The mounting for the EP can be made of cement, wood, or drywall. The
mounting location should be free of obstruction on all sides, and the cables
should easily reach the equipment without strain. Leave sufficient clearance
between the bottom of the equipment, and any flooring or shelving underneath,
to allow access to cabling.
In addition, leave enough slack in all cables so that the EP can be removed for
any required maintenance without disconnecting the cables.
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