Microprossor; Physical Configuration; Front Panel Controls, Indicators And Test Points; Controls - RF Technology T220 Operation And Maintenance Manual

7 SPECIFICATIONS
7.1.5. Microprocessor
A microprocessor is used to control the synthesizer, tone squelch, PTT function and
facilitate channel frequency programming.
Technology modules also provide fault monitoring and reporting.
7.2

Physical Configuration

The transmitter is designed to fit in a 19 inch rack mounted sub-frame. The installed
height is 4 RU (178 mm) and the depth is 350 mm. The transmitter is 63.5 mm or
two Eclipse modules wide.
7.3 Front Panel Controls, Indicators, and Test Points

7.3.1 Controls

Transmitter Key - Momentary Contact Push Button
Line Input Level - screwdriver adjust multi-turn pot

7.3.2 Indicators

Power ON - Green LED
Tx Indicator - Yellow LED
Fault Indicator - Flashing Red LED
External ALC - Green LED
External Reference - Green LED

7.3.3 Test Points

Line Input - 6 + Ground (pin 1)
Forward Power - 8 + Ground (pin 1)
Reverse Power - 4 + Ground (pin 1)
Tuning Voltage - 9 + Ground (pin 1)
Serial Data (RS-232) - 2/3 + Ground (pin 1)
Page 18
With the standard software, RF
RF Technology T220