Aethra d2001 nx Benutzerhandbuch
USER’S MANUAL
ISDN TESTER AND ANALYZER D2001
NX
Note that:
The START key changes to STOP. Use this key to stop the test.
The instrument checks each link with TEI value from 0 to 63 and shows the test
results as indicated in the table below:
results as indicated in the table below:
TEI not checked yet
Service not available
Establishment layer 2 link (SAPI 16)
R Establishment layer 2 link (SAPI 16) and reception of layer 3 RESTART
message
Some exchanges consider the X.25 as active only if a RESTART
indication is sent.
indication is sent.
In case the device detects some TEI which support the X.25 service, for the first
three links it is also performed the LCI test. In this case the device checks the range
availability of the LCI set for each link.
three links it is also performed the LCI test. In this case the device checks the range
availability of the LCI set for each link.
LCI values may change for each single TEI.
CHAPTER 2 - PERFORMING AN AUTOMATIC TEST
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