Mechanical receipt inspection, Mounting, Fcc interference warnings – GAI-Tronics L3149B C200 Advanced Deskset User Manual

Page 34: Electrostatic discharge (esd) protection

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Installation

L3149B (C200) Advanced Tone Remote Desk Set

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Tone Control (L3149B) Example Installation Diagram – Shown connected in parallel within one building

Mechanical Receipt Inspection

The desk sets are shipped in a cardboard container with inserts. Thoroughly inspect it as soon as possible
after delivery. In-transit damage should be immediately reported to the transportation company. GAI-
Tronics is not responsible for damage incurred during transit.

Mounting

The desk sets can be placed on a desk or mounted vertically on a wall. Adding some options may
preclude the ability to wall mount the units.

FCC Interference Warnings

The FCC requires that manuals pertaining to Class A and Class B computing devices contain warnings
about possible interference with local and residential radio and TV reception. Please read these warnings
and all safety information in the Foreword section of this manual.

Electrostatic Discharge (ESD) Protection

These desk set units have ESD protection circuitry that provides a high degree of protection against ESD,
and power and telephone line surges. The circuitry shunts the transient currents to earth ground through
the ground terminal. One of the two screws located on the back of the desk set can be used as an earth
ground terminal. See the rear view of the desk set for the ground screw terminal locations.

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