R&S 4200 Series, Operating Manual

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Configuring with the R&S ZS 4200 R&S XU 4200
3.21 6166.5368.02.01
DSCP Value The radio supports Differentiated Services (DiffServ) as defined by RFC
2474 and RFC 2475 in such a way that each different traffic type can be
marked with a specific differentiated service code point (DSCP) value.
ATR Switch Mode
Reserved / for future use.
Audio Delay This parameter is used for delay setting on the audio line.
FTP Login The parameter needs to be configured to allow remote software download.
If left empty, the Remote Software Download cannot be used (see chapter
3.16 Software Download).
Note: The FTP Login cannot have values “FTP” and “Anonymous”.
FTP Password The parameter needs to be configured to allow remote software download.
If left empty, the Remote Software Download cannot be used (see chapter
3.16 Software Download).
Frequency Operating frequency in Hz. Only the values compatible with the selected
channel spacing are accepted.
Channel spacing
Channel spacing. Only the spacings compatible with the current operating
frequency and mode are accepted.
Modulation Mode Radio operating mode. Only the modes compatible with the current
operating frequency and channel spacing are accepted.
RF Power Level Selection of the TX output power levels Low or Normal. Power levels for
selection Low and Normal are configurable.
Carrier Offset TX carrier offset. Configuration parameter “5-carrier offset” must be
enabled in order to provide
− 8 kHz / − 4 kHz / +4 kHz / +8 kHz offsets.
For further details on the TX offset activation see chapter 3.4.7.2.1
Explanation of Offset Activation.
Preset Page Number Number of the selected preset page. Zero is displayed in case of an
individual frequency setting, channel spacing, modulation mode, and offset.
TX Audio Level E1 This parameter refers to the E1 modulation input (connector X13, X14).
With the default setting, the modulation sensitivity is 0 dBm0 which means
that at the E1 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 E1 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).
RX Audio Level E1 This parameter refers to the E1 audio output of the AM receiver (connector
X13). 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 E1 infrastructure.