UBS Axcera 835A-6 Remote Control Interface

835A 4 kW, 5 kW or 6 kW UHF Transmitter Remote Control Interface Connections

Function Remote Jack/Pin No. Interface Type

Exciter Enable Interlock J7-1 J7-1 & 2 Must Be
Exciter Enable Interlock Rtn. J7-2 Jumpered Together For
Normal Operation.

Transmitter Remote Metering:

Combined Visual Power J10-7 1V Full Scale At 1kΩ
Combined Visual Power Rtn J10-8 Source Resistance

Combined Aural Power J10-5 1V Full Scale At 1kΩ
Combined Aural Power Rtn J10-6 Source Resistance

Combined Reflected Power J10-9 1V Full Scale At 1kΩ
Combined Reflected Power Rtn J10-10 Source Resistance

Exciter Output J9-26 1V Full Scale At 1kΩ
Exciter Output Rtn J9-27 Source Resistance

Exciter Remote Control Commands:

Exciter Operate (Enable) J8-3 Contact Closure
Exciter Standby/Operate Rtn. J8-2
Exciter Standby (Disable) J8-1 Contact Closure

Exciter Auto J8-6 Contact Closure
Exciter Auto/Manual Rtn. J8-5
Exciter Manual J8-4 Contact Closure

Modulator Select J8-10 Contact Closure
Modulator Select Rtn J8-11

Power Raise (Optional) J9-6 Contact Closure
Raise/Lower Rtn. (Optional) J9-5
Power Lower (Optional) J9-4 Contact Closure

Exciter Remote Status Indications:

Exciter Auto Mode Indicator J9-30 50ma Max. Current Sink
Auto/Manual Mode Ind. Rtn J9-31
Exciter Manual Mode Indicator J9-32 50ma Max. Current Sink

Operate Indicator J9-1 50ma Max. Current Sink
Operate/Standby Ind. Rtn J9-2
Standby Indicator J9-3 50ma Max. Current Sink

Exciter VSWR Cutback Indicator J8-7 50ma Max. Current Sink

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835A 4 kW, 5 kW or 6 kW UHF Transmitter Remote Control Interface Connections

Exciter Remote Status Indications: - Continued

Video Loss Indicator J9-7 50ma Max. Current Sink
Video Loss Indicator Rtn J9-8

Receiver Fault Ind. J8-9 50ma Max. Current Sink

Side A Driver Remote Metering:

Side A Driver Output Power J10-1 1V Full Scale At 1kΩ
Side A Driver Output Power Rtn J10-2 Source Resistance

Side B Driver Remote Metering:

Side B Driver Output Power J10-3 1V Full Scale At 1kΩ
Side B Driver Output Power Rtn J10-4 Source Resistance

Side A Remote Metering:

Side A Forward Power J10-14 1V Full Scale At 1kΩ
Side A Forward Power Rtn J10-15 Source Resistance

Side A Reflected Power J10-16 1V Full Scale At 1kΩ
Side A Reflected Power Rtn J10-17 Source Resistance

Side B Remote Metering:

Side B Forward Power J10-20 1V Full Scale At 1kΩ
Side B Forward Power Rtn J10-21 Source Resistance

Side B Reflected Power J10-18 1V Full Scale At 1kΩ
Side B Reflected Power Rtn J10-19 Source Resistance

Side A Plus B Remote Metering:

Reject Power J10-11 1V Full Scale At 1kΩ
Reject Power Rtn J10-12 Source Resistance

The above connections are made to Jack (J9), the 37 Position "D" Connector, to Jack (J10), the 25 Position "D" Connector, to
Jack (J8), the 25 Position "D" Connector Or to Jack (J7), the 9 Position "D" Connector, located on (A9) the Remote Interface
Assembly (1245-1801) mounted at the Top, Rear of the Single UHF Exciter Cabinet.

(A2 and A3) Amplifier Array Assembly Remote Metering

for 4 kW, 5 kW & 6 kW
(A1) UHF Amp Tray Refl Pwr J5-2 1V Full Scale At 1kΩ
(A1) Reflected Power Rtn J5-1 Source Resistance

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