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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
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Fault Recognition During Operation (BIT)
If the fault cannot be pinpointed to one of the
modules synthesizer, HF unit or IF / AF proces>
sor, replace the following modules, if available,
one after another and check the cabling until
the fault is eliminated:
f Replace processor acc. to 4.3.5.
f Replace option 'TTY Line Current Source
R&S GH 890' acc. to 4.3.10.
f Replace option 'BCD Interface R&S GC 890'
acc. to 4.3.11.
f Replace option 'Preselection
R&S FK 890H1' acc. to 4.3.12.
f Replace option 'IF Processor R&S GM 893'
acc. to 4.3.14.
f Replace option 'Digitally Tuned RF Selector
R&S FK 896D' acc. to 4.3.15.
f Check cabling on interface X65. If ne>
cessary, close open connection and / or re>
place antenna cable.
f Check cabling on interface X66. If necessary
close open connection and / or replace line
cable.
f Check cabling on interface X63. If ne>
cessary, close open connection and / or re>
place control cable.
f Check cabling on interface X89. If ne>
cessary, close open connections or replace
control cable.
f Check cabling on interface X64. If ne>
cessary, close open connections or replace
RF cable.
OUTPUT
RS232C > RS485
BCD>INTERFACE
0...40 kHz
IF
6164.0717.02_01
> 4.13 >
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