___________________________________________________________
Page 4-18
GNS 400W Series Maintenance Manual
Rev. A
190-00356-05
For:
GPS RS232 OUT 1
(J1-56)
GPS RS232 IN 1
(J1-57)
GPS RS232 OUT 2
(J1-58)
GPS RS232 IN 2
(J1-59)
GPS RS232 OUT 3
(J1-41)
GPS RS232 IN 3
(J1-42)
GPS RS232 OUT 4
(J1-54)
GPS RS232 IN 4
(J1-55)
Test both receiver and transmitter below.
GPS RS232 (1)
Connect the transmitter to the receiver. Verify GPS RS232 1 OK via the main RS232 config test
page.
GPS RS232 (2)
Connect the transmitter to the receiver. Verify GPS RS232 2 OK via the main RS232 config test
page (Figure 4-10).
GPS RS232 (3)
Connect the transmitter to the receiver. Verify GPS RS232 3 OK via the main RS232 config test
page (Figure 4-10).
GPS RS232 (4)
Connect the transmitter to the receiver. Verify GPS RS232 4 OK via the main RS232
configuration page (Figure 4-10).
Load/source: Loopback unit RX/TX pair or ATE computer RX232 RX/TX pair.
OBS
NOTE
The load used in the OBS test consists of a calibrated OBS resolver, precision
track selector or equivalent, and must be connected to the GPS OBS inputs.
The OBS bearing must be consistent to within
±
2 degrees of the bearing setting.