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Quantum and Evolution Series Installation and Operating Handbook
Async ESC Connector
This connector comprises:
•
An RS232/RS422/RS485 async port for use on either the ESC or Aux channels.
•
An RS232 serial port (currently unused).
•
An RS422 Station Clock input.
•
Receive constellation monitor points.
RS232
RS422/
RS485
2
2 (a)
-
9 (b)
3
3 (a)
-
10 (b)
1
RS232
12
5
13
Analog
14
7
15
13
RS422
4
11
13
RX Constellation Monitor Port
To display the receive constellation on an oscilloscope, connect the I and Q signals to the
main X/Y inputs and apply the receive symbol clock to the external trigger input of the
oscilloscope. The main oscilloscope inputs should be set to X/Y display, AC coupled, both
channels on 200 mV/div, with the trigger from the external trigger input.
ASYNC ESC CONNECTOR
Async port for ESC or Aux channel
Async ESC/Aux Input (to satellite)
Async ESC/Aux Input (to satellite)
Async ESC/Aux Output (from satellite)
Async ESC/Aux Output (from satellite)
1
Ground
Serial port (currently unused)
Serial Input (RS232 port)
Serial Output (RS232 port)
Ground
Rx constellation monitor (Rx signal quality)
Rx I channel eye
Rx Q channel eye
Rx symbol clock
Ground
Differential Station Clock Input
Station Clock (a)
Station Clock (b)
Ground
11-4
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