User guide

The round trip PRBS test function operating step
98
The round trip PRBS test function operating step.
Please refer to the loopback test function to verify the loopback setting.
When user wants to do the PRBS test, firstly, the remote side needs to
set the loopback path (loop A, Loop B, Loop C) which depends on userFs
request. In the local device which will generate a test pattern to remote
device, then local deviceFs analysis part will receive a test pattern through
the loopback path. Eventually, user will get a test result on the screen.
Loopback
p
ath A
Loopback
p
ath B
Loopback
path C
SL-2100
SL-2100
Loopback
Path A
Remote
Loopback
Path B
Loopback
Path C
Local
Ana GEN
iMux
iMux
Refer to the loopback test function to verify the loopback setting.
To do th e PR BS te st , fir st s et th e lo op back pa th ( Loo pb ac k A, B or C ) w hi ch y ou wa nt t o t es t. T he lo ca l dev ic e
will generate a test pattern to remote device, then the local device’s analyzer will receive a test pattern through
the loopback path. The test results will be shown on the screen.
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