R&S XU 4200 Configuring with the R&S ZS 4200
6166.5368.02.01 3.22
TX Audio Level VoIP
This parameter refers to the VoIP modulation input. With the default
setting, the modulation sensitivity is 0 dBm0 which means that at the VoIP
audio level of 0 dBm0 the AM transmitter is driven and modulated at 90 %
modulation. The input can be configured from 30 dBm0 to 0 dBm0 in
accordance with the VoIP infrastructure and the incoming signal levels.
The sensitivity is greatest at 30 dBm0 which means that the full
modulation of 90 % modulation is achieved even at a low level.
Note: The achieved modulation depth depends on the “TX AM Modulation
Depth” parameter. The relationship described above is valid for TX AM
Modulation Depth configured to 90% (by default).
Note: The default setting ensures the compliance with the ED-137
requirement of 30 % AM modulation depth at 10 dBm0 audio level. If the
VoIP infrastructure complies with the ED-137, the default value shall be left
unchanged.
RX Audio Level VoIP
This parameter refers to the VoIP audio output of the AM receiver. With the
default setting of 4 dBm0, an effective level of –4dBm0 is applied at 60 %
AM modulation of the current receive signal (–0.5 dBm0 at 90 %
modulation). The output can be configured from 30 dBm0 to –4 dBm0 in
accordance with the VoIP infrastructure.
Note: The default setting ensures the compliance with the ED-137
requirement of 10 dBm0 at 30% AM modulation depth. If the VoIP
infrastructure complies with the ED-137, the default value shall be left
unchanged.
TX Audio ALC E1
The automatic level control for the E1 audio modulation can be switched on
and off. When this function is activated, the set AM modulation depth (see
TX AM Modulation Depth parameter) is ensured over a dynamic range of
±15 dB at the TX E1 audio interface (X13, X14).
Note: If the automatic level control is active in the system external to the
radio, then the level control of the radio should be switched off.
RX Audio AGC E1
The automatic gain control in the AM demodulator can be switched on and
off. In the range from 30 % to 90 % modulation depth, the signal (E1 RX
Audio) remains constant.
TX Audio ALC VoIP
The automatic level control for the VoIP audio modulation can be switched
on and off. When this function is activated, the set AM modulation depth
(see TX AM Modulation Depth parameter) is ensured over a dynamic
range of ±15 dB at the TX VoIP audio interface.
Note: If an automatic level control is active in the system external to the
radio, then the level control of the radio should be switched off.
RX Audio AGC VoIP
The automatic gain control in the AM demodulator can be switched on and
off. In the range from 30 % to 90 % modulation depth, the signal (VoIP RX
Audio) remains constant.
IPv6 Enabled
This parameter is used to enable IPv6 IP-version. The radio can use either
IPv4 or IPv6 for LAN communication. Simultaneous operation of IPv4 and
IPv6 is not possible. If this parameter is set to “Enabled”, IPv6 will be used
and IPv4 will be automatically disabled.
Note: DHCP will be automatically disabled if IPv6 is enabled by the user.
Note: Both IP configuration and Access Control List of the RX and TX
modules must be configured according to the selected IP-version.
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