Cabling; Fig. 3.78 R&S External Automatic Filter Connection - R&S 4200 Series Operating Manual

External Automatic Filters
3.7.2.2

Cabling

Instructions
Radio
S4200
Fig. 3.78
3.7.2.3 Configuration
Setting using
the R&S ZS 4200
3.7.2.4 Limitations/Notes
Limitations
1. Connect the X-cross adapter R&S®KG42-Z75 to the RS-485 interface
of the radio. In case of the transceiver R&S XU 4200 the filter must be
always connected to the TX module via X7.
2. Connect the filter to the X-cross adapter R&S®KG42-Z75.
X1
X7
X-Cross
Adapter
KG42-Z75
R&S External automatic filter connection.
Use the Service and Maintenance Tool R&S ZS 4200 to activate the
R&S external automatic filter.
1. Set the "Motor Tuned Telsa Filter" parameter to "Enable" on the radio.
Note: The X-cross adapter converts the radios' serial protocol into a
parallel BCD signal required for the R&S filter.
Note: The operation of the Service and Maintenance Tool R&S ZS 4200 is
described in detail in the corresponding operating manual.
Please note that there are certain limitations to radio operation if the
R&S external automatic filter is used:
 Enabling the R&S external automatic filter will reduce the frequency
range of the radio to 118 MHz ... 155.9916 MHz (although the R&S
filter supports a wider frequency range)
Note: If more than one radio is used, each radio needs its separate filter.
Note: The timeout for tuning the filter is set to 60 seconds. If the filter has
not tuned to the correct setting by this time, the radio will generate a CBIT
warning.
MUX
3.81
R&S XU 4200
Filter
R&S Fx22x
6166.5368.02.01