User Manual

Central Network Controller Installation Guide 15162 Ver 2.8 DRAFT E

Abbreviations Used in this Document

CLK Clock

CNC Central Network Controller

COM Common

COS Code Operated Switch

CTS Clear To Send

D/C Door Controller

DOS Disc Operating System

GND Ground

LED Light Emitting Diode

MS-DOS Microsoft Disc Operating System

PC Personnel Computer

PIN Personal Identity Number

PSTN Postal Standard Telephone Network

RX Receive

SIG Signal

TX Transmit

VCA Valid Code Accepted