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Magnum P62-Series Hardened Switches Installation and User Guide (08/03)
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to be in contact with a vertical surface (such as pedestal) that has good heat conducting
properties. Remove rubber “feet”, if present, to enhance metal-to-metal contact and provide the
best heat transfer away from the PSX unit.
UL Requirements
The following must be adhered to in order to conform to UL requirements:
6. Minimum 18 AWG cable for connection to a Centralized DC power source.
7. Minimum 14 AWG cable for connection to earthing wiring.
8. Use only with Listed 10 A circuit breaker provided in building installation.
9. “Complies with FDA radiation performance standards, 21 CFR subchapter J.” or
equivalent.
10. Fastening torque of the lugs on the terminal block: 9 inch pound max.
Centralized DC Power Source cable securement, use at least four cable ties to secure the
cable to the rack at least 4 inches apart with the first one located within 6 inches of the
terminal block.
3.4 Cable Strain Relief Feature on all P62-Series models
The Magnum P62-Series Hardened Switches are designed to use in extended
temperature environments, which qualifying them to be used in roadside traffic data collection
and control stations, above-the-ceiling locations in commercial buildings, etc. They are usually
mounted vertically so that the cables hang out the bottom. There is a cable strain relief feature
provided as part of the package design
The Magnum P62-Series Hardened Switches have a tie wrap holder as part of the base
plate of the unit for cable strain relief. The strain-relief feature is applicable to power cables as
well as to Ethernet cables,
both twisted-pair copper and
fiber. Cable tie-wraps can
secure the cables and can be
attached to the base plate
HOOK provided at the
bottom-front of the unit. In the
event that the attached cable is
pulled, the tie-wrap cable
strain relief feature protects
the cable connection from
coming loose. This feature
provides a more reliable and robust installation and operation.
The figure above of a P62F model illustrates the strain-relief feature, using tie-wraps.