Rohde & Schwarz GB4000V, User Manual

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R&S GB4000V Audio Unit
User Manual 6174.7514.02 - 02 44
3.11 Operation Modes
The R&S GB4000V can be operated in two different modes. In analog audio mode , the
audio and signaling data is transferred to the radio via the analog interface (Audio
Interface
– X5 AUDIO). In
VoIP mode , audio and status data is transferred to the
connected radio (RX/TX) via the LAN interface (Ethernet
– LAN Remote Control X4
LAN) in accordance with ED-137[1]. The two modes only differ with regard to their
installation and configuration. Operation is identical in both modes, with the exception
of the VoIP LEDs which indicate the status of the VoIP connection. See chapter
“3.3”
.
3.11.1 Analog Audio Mode
In analog audio mode , the analog audio interfaces of the R&S GB4000V and the radio
are used.
3.11.1.1
Cabling in the Analog Audio Mode
Instructions
1. Connect the TX and RX audio signals, the PTT and SQ signals with the radio
set (RX/TX). For details on connector design and pin out refer to Appendix “A
Technical Information
”.
2.
Set the PTT mode of the radio to “R&S standard”.
Figure 18: Connector pin assignment of the R&S GB4000V analog connector cable.