Installation & Setup
15
Precis LT Instruction Manual
Rack Installation & System Setup
The Precis LT Distribution Matrix enclosure can be mounted in a standard EIA 19 in. (48.26 cm) rack
(rack ears are provided).
Important: The system requires one empty rack unit above and below the enclosure to allow
adequate airflow.
Required items for rack installation:
Enclosure
Standard EIA 19 in. (48.26 cm) rack
Rack ears
Screwdriver
Screws that fit your rack for mounting the enclosure
Power cord
Optional items
Surge-protector – highly recommended
PC or laptop computer with a null modem cable (for communication with the Precis LT via
the Control port)
Installation Recommendations
Write the system’s serial number in an easily accessible location before installing the
Precis LT in a rack. Viewed from the rear, the system’s serial number is located on the left side
near the power receptacle.
Use an earth-grounded power cord / system with the Precis LT.
Attach the power cord to a surge protector and/or an AC line conditioner.
Apply power to the Precis LT enclosure before applying power to its source
and destination devices.
Installation Procedure
A flow chart showing the installation sequence is in FIG. 4. The procedure, which follows, provides
general steps with references to detailed information found in later sections of the manual.
Caution: To prevent overheating and airflow restriction, avoid placing high-heat producing
equipment directly above or below the enclosure. The system requires a minimum of one empty rack
unit above and below. Verify that the openings on the sides of the enclosure are not blocked and do
not have restricted air flow.
FIG. 4 Installation procedure
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