Table 2-6. Hpa Connector (J8) Pin Assignments (Twta Connection) - Comtech EF Data KST-2000B Installation And Operation Manual

Ku-Band Satellite Transceiver
Installation

Table 2-6. HPA Connector (J8) Pin Assignments (TWTA Connection)

Pin
A HV_EN
B HTR_STB
Y
C FLT_RST
D HPA_IN1
E HPA_IN2
F HPA_IN3
G HPA_IN4
H GND
J ANA_IN
K GND
2.4.1.10 REF IN Connector (J9)
The REF IN connector (J9) allows the user to operate the system with an external
reference instead of the built-in system reference. An external signal of 5 or 10 MHz,
at +6 dBm minimum, may be applied to the 50Ω, Type N, female connector.
Signal
High voltage enable, open collector output, active
low
Heater standby, open collector output, active low
Fault reset, open collector output, active low
Input from TWTA, heater timer complete, active low
Input from TWTA, TWT temperature fault, active low
Input from TWTA, high voltage on, active low
Input from TWTA, summary fault, active low
Status/control return
Analog input from TWTA (0 to +10VDC)
Analog signal return
Description
2–11
Revision 9
MN/KST2000AB.IOM