GAI-Tronics ITA2000A ITA2000A Series Tone Remote Adapter with Scanning User and Installation Manual - Manual (Page 24)

Installation ITA2000A Series Tone Remote Adapter
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Accessory Connector (J3)
The accessory connector is located on the rear of the ITA2000A Tone Remote Adapter.
Input/Output Accessory Connector Table
Pin
Wire Color
Description Input/
Output
Range
J3-1 Black/white Channel Steer 3 O JU11 B position = Lo (0 V dc)*
JU11 A position = Hi (B+)
J3-2 Blue/
white
Carrier Squelch Detect OUT O JU8 B position = Lo (0 V dc)*
JU8 A position = Hi (B+)
J3-3 Green RX Audio +300 mV
RMS
O
J3-4 Black AGND
J3-5 White/black Channel Steer 2 O JU12 B position = Lo (0 V dc)*
JU12 A position = Hi (B+)
J3-6 White PTT I Lo (0 V dc)
J3-7 Orange RX PL Disable O Closure between pins 7 and 14
J3-8 Red Channel Steer 0 O JU14 B position = Lo (0 V dc)*
JU14 A position = Hi (B+)
J3-9 Red/white Channel Steer 4 O JU10 B position = Lo (0 V dc)*
JU10 A position = Hi (B+)
J3-10 Green/white CSQ and CTCSS Detect I SW1-2 UP = Lo (0 V dc)*
SW1-2 DOWN = Hi (B+)
J3-11 Green/black RX Audio O Connected internally to pin 4 at radio
end of cable.
J3-12 Blue TX Audio 80 mV ac I
J3-13 Blue/black PTT OUT O JU9 B position = Lo (0 V dc)*
JU9 A position = Hi (B+)
J3-14 Orange/black RX PL Disable I Closure between pins 7 and 14
J3-15 Red/black Channel Steer 1 O JU13 B position = Lo (0 V dc)*
JU13 A position = Hi (B+)
*default from the factory
Accessory Connector Pinout