CHAPTER 4 CIRCUIT CARD INFORMATION
How to Read This Chapter
HOW TO READ THIS CHAPTER
This chapter explains each circuit card used in this system about the following items. Explanations are given in alphabetical order of the circuit card names within each circuit card category (Control, Application Processor, 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 described in a table.
(3)Switch Settings
The name, settings, and functions of each switch equipped on each circuit card are described in a table.
Each switch setting table has a “CHECK” column. Make necessary entries in the CHECK column during and/or after the system installation and maintenance, and use each table as a reference for subsequent system maintenance and operations.
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