Rohde & Schwarz GB4000V, Руководство пользователя

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R&S GB4000V Audio Unit
User Manual 6174.7514.02 - 02 54
4 Malfunction
4.1 Visual Inspection
1. Check external cabling between the R&S GB4000V and external equipment.
2. Check all connectors for good contact and the cables at the rear for mechanical
damage. If necessary, replace cables by new ones, one at a time, until the
defective connection has been found.
4.2 Other Troubleshooting Measures
Error Possible Cause Remedy
No function No connection of power supply Check if cable connection is
correct. Check polarity of pinning.
R&S GB4000V does not boot. Electronics is defective. Please contact your supplier for
service.
Vcc LED does not light even if
main or back up supply voltage is
present. Electronics is defective. Please contact your supplier for
service.
GO LED does not light. Electronics is defective. Please contact your supplier for
service.
No Ethernet connection is
established. Cable connection failure
Failure in IP configuration Check if cable connection is
correct. Check polarity of pinning.
Check if the IP addresses
configured do fit to your radio and
network settings.
The radio does not send any
audio signals in analog mode. The cable connection is
defective.
The headset is defective.
The configuration is incorrect.
The radio is not tuned correctly. Check the cable connection and
the assignment of the cable.
Replace the headset.
Check whether the analog mode
is activated.
Check whether the frequency of
the in-band PTT on the radio is
set to 2040 Hz.
The audio unit is not receiving
any signal from the radio
although the radio indicates a
squelch signal. The cable connection is
defective.
The radio is not tuned correctly. Check the cable connection and
the assignment of the cable.
Check whether the frequency of
the in-band squelch on the radio
is set to 2440 Hz.
No VoIP connection can be set
up. The cable connection is
defective.
The radio is not switched on.
The URI configuration is
incorrect.
The network settings are
incorrect. Check the cable connection.
Check whether the radio is
switched on and is in VoIP mode.
Check the URI configuration.
Check whether the network
settings of the R&S GB4000V
match the settings of the radio.