Monitors "ready to transmit" parallel input signal from antenna switch and generates "transmit inhibit" output signal to the transceiver for maximum operating flexibility and anti-hot switching protection.
Directly compatible with ACOM 2000A automatic HF linear amplifier and ACOM 2000SW remote antenna switch; control is compatible with other systems via inverse BCD output code and RS232 serial input for PC etc.
Local Network capability, compatible with ACOM 2000A automatic HF linear amplifier.
Antenna number 7-segment LED indicator plus sound alarm.

Technical specifications:

Number of antennas selectable : 1 from 10.1 Input control: RS232 +/-12V serial port of ACOM 2000A and/or PC, simple commands.
Output control: 4-bit inverted parallel BCD code,27V/25mA bit levels.
Power supply : 120/240VAC internally selectable, +/- 10% tolerance, 50-60Hz, 15VA.
Operating temperature range : 0 to + 50 C .
Dimensions: W 131 mm (5-1/8") x H 41 mm (1-2/3") x D 162 mm (6-1/3").
Weight: 1.3 kg (0.6 lbs).