User's Manual

Page 18 RF
Technology T350/T500
7 SPECIFICATIONS 7.1.5 Microprocessor
7.1.5. Microprocessor
A microprocessor is used to control the synthesizer, tone squelch, PTT function and
facilitate channel frequency programming. With the standard software, RF 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 – Pin 6 + Ground (pin 1)
Forward Power – Pin 8 + Ground (pin 1)
Reverse Power – Pin 4 + Ground (pin 1)
Tuning Voltage – Pin 9 + Ground (pin 1)
Serial Data (RS-232) – Pins 2 / 3 + Ground (pin 1)