User Manual Bearing System RT-300
Issue: 2017/06/27 [Rev 1.04.c] Page 71 of 79 12-9-1-0013-9-2-0001-3-1-60
Antenna
DCU
312 45
67 89
D-Sub-
connector
31245
6789
D-Sub-socket
Kontakt
Kontakt Signal-name Signal
1
1 ANT-EAST control signal east
2
2 ANT-WEST control signal west
3
3 RS485/A data signal
4
4 RS485/B data signal
5
5 12...28V voltage supply
6
6 ANT-SOUTH control signal south
7
7 ANT-NORTH control signal north
8
8 NF audio signal
9
9 PHI bearing signal
Shield
Shield GND ground
NOTE
The shield resistance of the cable between the antenna and DCU must not be greater than 2
Ohms.
Connecting pattern for cable lengths up to 50 m:
Connecting pattern for cable lengths up to 100 m:
Fig. 101
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