
MNT-PTX-150
Doc Ref :
150-100
Issue
:
1.00
Page :
1
SONIK - 1999
Appendix B: Basic Connection Between Tx and Controller
I.
Flex Mode: (Connect to MOTOROLA External NIU)
!
Connection between SONIK PTX150 Transmitter and External NIU:
External NIU(TB3, TB4)
Transmitter(DB37)
TB3-2: Tx Clock
Connected to
DB37-18: Data Clock
TB3-4: Tx key
Connected to
DB37-11: Tx Key
TB3-8: GND
Connected to
DB37-19: Ground
DB37-1 to DB37-19
TB4-2: Rx FQ1
Connected to
DB37-16: Tx Data, High Bit, TTL
TB4-3: Rx FQ2
Connected to
DB37-15: Tx Data, Low Bit, TTL
!
Connection between External NIU and GPS Receiver:
"
GPS time signal:
GPS Receiver
(serial port, 9 Pin)
External NIU
(option port, 9 Pin)
Pin 1
Connected to
Pin 4
Pin 2
Connected to
Pin 3
Pin 3
Connected to
Pin 2
Pin 4
Connected to
Pin 1
Pin 5
Connected to
Pin 5
Pin 6 to Pin 1
Pin 6 to Pin 1
Pin 7
Connected to
Pin 8
Pin 8
Connected to
Pin 7
"
GPS 1pps Signal: connected the ”1pps OUT” port of GPS receiver to the ”1Hz
IN/OUT” port of External NIU with a RCA video cable.
!
When the transmitter needs to get external frequency source from External NIU,
connect the ”REF IN/OUT” port of External NIU to the ”External Frequency Input”
port of SONIK PTX150 transmitter with a BNC cable.