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Troubleshooting the Analyzer
To troubleshoot system interconnect and LAN port failures
[I/O]
[
ThinLAN loop back]
d If the ThinLAN loop back test fails, the A43 Expanded Memory
assembly is probably faulty.
3 Check the AUI LAN port.
a Connect a ThinLAN Transceiver (AUI to ThinLAN converter) to
the AUI LAN port.
b Set the switches on the ThinLAN Transceiver to their disable
position.
c Connect a BNC tee to the transceiver’s BNC connector.
d Connect a 50
Ω termination to each side of the BNC tee (use two
50
Ω terminations.)
e Press the [AUI LAN loop back] softkey.
f If the AUI LAN loop back test fails, the A43 Expanded Memory
assembly is probably faulty.
g If the self tests pass, the LAN ports are probably operating
correctly.
h Set the power switch off ( O ), then on ( l ) to return the analyzer
to normal LAN operation.
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