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3 NO TA TION
Throughout this manual, abbreviations will be used. These abbreviations are explained here for
clarity.
CD Carrier Detect
COS Carrier Operated Switch
CTS Clear To Send
DCE Data Communications Equipment
DTE Data Terminal Equipment
FCC Federal Communication Commission
GND Ground
PTT Push To Talk
RFCTS RF Clear To Send (used in trunking systems only)
RTS Request To Send
SQL Squelch
SW1.8 This signifies a DIP switch. The given example describes the eighth
position on DIP switch number one.
XOFF ASCII 13h sent by a receiving station instructing the sending station
to halt any transmission
XON ASCII 11h sent by a receiving station instructing the sending station
to resume transmission
B1474
BARNETT EN GI NEERING LTD.
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