R&S XU 4200  Radio in VDL Mode 2 
6166.5368.02.01 3.102   
3.14  Radio in VDL Mode 2 
VDL2 Mode\VDL2  Mode "Radio".do c 
 
This chapter 
This chapter provides information about the cabling and configuration of 
digital data mode (VDL Mode 2). 
3.14.1  Introduction/Overview 
Introduction 
The radio supports the VDL Mode 2 in the transceiver configuration. A VDL 
ground computer (VGC) is connected to the radio via the LAN port. The 
VGC is always connected to the LAN port of the receiver module of the 
transceiver. 
3.14.2  Cabling 
Instructions 
1.  Connect the radio via the connectors X6 and X9 to the LAN network. 
 
Cabling 
 
 
 
 
 
 
 
 
 
Fig. 3.91  VDL Mode 2 cabling. 
3.14.3  Configuration 
General 
The VDL Mode 2 activation on the radio can be done using the MMI or via 
the remote control. 
VDL Mode 2 
configuration using 
the R&S ZS 4200 
1.  Use the Service and Maintenance Tool R&S ZS 4200 to set the 
modulation to “VDL Mode 2” in at least one preset page. 
 
Note: The operation of the Service and Maintenance Tool R&S ZS 4200 is 
described in detail in the corresponding operating manual. 
Note:  Activation of VDL Mode 2 is only possible if the configuration 
parameter “Select Audio Interface” has been set to “Analog Audio” by 
using the Service and Maintenance Tool R&S ZS 4200. 
 
Transceiver
X9 
LAN to  
VGC 
(VDL + 
Remote 
Control) 
 
X6
LAN