CHAPTER 4 LAMP INDICATIONS AND SWITCH SETTINGS
This chapter explains various circuit cards used in the PBX with respect to the following items. Explanations are given in the alphabetical order of the circuit card names within each circuit card category (Control, Appli- cation, and Line/Trunk).
1.Locations of Lamps, Switches, and Connectors
The locations of lamps, switches, and connectors of each circuit card are shown by a face layout.
2.Lamp Indications
The name, color, and functions of each indicator lamp equipped on each circuit card are shown and de- scribed in a table.
3.Switch Settings
The name, settings, and functions of each switch equipped on each circuit card are shown and described in a table.
Each switch setting table has a “CHECK” column. Make necessary entries in the CHECK column during and/ or after system installation and maintenance, and use each table as a reference for subsequent system mainte- nance and operations.
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