Chapter 2 Design and Function
5300.9677.72 - 2.15 - EN-4
Auxiliary signals (AUX inputs)
The RDS (AUX1) and AUX2 ports are provided with 50 Ω BNC connectors. Both AUX in-
puts are of equal priority. Additional information such as RDS, DARC, TMC and so on can
be fed in at these inputs.
1.2.2 Rear Panel Connections: Separate Amplifier
Fig. 14 Connections on rear panel of R&S VU813 amplifier
Connectors
Connector Function
X31; X32 Fan connections 1 and 2
X24 CAN bus connector for external modules
X22 Connection to X22B from R&S SR8130
X11 Coupler input: Connection to X2 (RF output signal from the internal
amplifier)
X10 Coupler input: Connection to X2 from R&S SR8130 (RF output signal
from the R&S SR8130)
X12 RF OUT Coupler output: Antenna connector
X61 RF IN SPLIT Connection to X61 from R&S SR8130 (RF input signal)
X2 Connection to X11 (RF output signal from the internal amplifier)
Signal ground
Voltage supply
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