R.V.R. Elettronica HC4, User Manual

Page: 24 / 72

HC4
20 / 34 User Manual Rev. 1.0L - 01/04/02
6.2 Rear Panel
[1] INTERLOCK/ALARMS
BNC connectors to inhibit an exteral device, as an exciter. In case of
fault, the inner connector is shorted to ground.
[2] R.F. MONITOR BNC RF monitor output. The output level is -60 dB below the power
output in the band 87.5-108 MHz.
[3] RS232 DB9 conector to link the amplifier with external devices.
[4] I 2 C DB9 connector for IIC bus networking.
[5] OUTPUT 1 to 5 Power Splitter Outputs (N-type connector) to drive Power Amplifiers.
[6] INPUT Exciter’s R.F. Input connector (N-type).
[7] TELEMETRY DB25 telemetry connector.
[8] 24 V External 24 V dc power supply input for CPU backup power supply.
[9] FOLD-BACK BNC connector for the fold-back connection..
[10] FUSE Protection Fuse for Auxiliary Out A.C. Power Line.
[11] VOLTAGE CHANGER &
A.C. LINE FUSE Fuse block and Line Voltage Selector. Use a small screwdriver to change
the fuse or line voltage. Rotate the block and position it for desired voltage.
[12] UNBAL F.BACK ADJ.
Trimmer for Unbal Fold Back adjustment.
[13] AUX. OUT A.C. LINE
Auxiliary Out A.C. Power Line for the combiner.
[14] INPUT 1 to 4 Power Combiner Inputs (N-type) from the Power Amplifiers.
[15] HEAT SINK Heat Sink for the R.F. Output Combiner.