System Description Chapter 2

10-kW UHF Transmitter with Chapter 2, System Description
Feedforward Driver
840A, Rev. 0 2-14
2.3 Remote Control Interface
Connections
The remote control interface
connections for the 840A
transmitter are listed in the
following tables.
Table 2-15. 10-kW Amplifier Assembly Remote Control Interface Connections
FUNCTION REMOTE JACK/PIN
NUMBER
INTERFACE TYPE
Interlock (Total Shutdown) J1-1
Interlock (Total Shutdown)
Rtn
J1-2
May be connected to a
remote interlock
Interlock (Drv, Scrn, and
high voltage)
J1-3
Interlock (Drv, Scrn, and
high voltage) Rtn
J1-4
May be connected to a
remote interlock
Note: The jumper plug (1176-1019), with jumpers connected between pins 1
and 2 and 3 and 4, must be plugged into jack (J1) for the normal operation of
the transmitter.
Remote Status Indications
Transmitter Operate Ind J4-1 50 mA max current sink
Transmitter Operate Rtn J4-2
Transmitter Auto Mode Ind J4-3 50 mA max current sink
Transmitter Auto Mode Rtn J4-4
High Voltage Enable Ind J4-5 50 mA max current sink
High Voltage Enable Ind Rtn J4-6
Fault Ind J4-7 50 mA max current sink
Fault Ind Rtn J4-8
RF Present Ind J4-9 50 mA max current sink
RF Present Ind Rtn J4-10
Overtemp Ind J4-11 50 mA max current sink
Overtemp Ind Rtn J4-12
VSWR Cutback Ind J4-14 50 mA max current sink
VSWR Cutback Ind Rtn J4-15
Video Fault Ind J4-16 50 mA max current sink
Video Fault Ind Rtn J4-17