pdhman.book : pdhapp.doc 33 Tue Oct 14 15:00:20 1997
33
PDH / DSn Testing With The HP 37717C
BERT Testing
BERT Testing
Options Required Structured PDH UKJ (USA) or UKN (USE), or Unstructured
PDH UKK (USB)
Application
A transmission system must be specified for its overall error performance, measured
over a period of time. Conformance to these specifications ensures that an installed
system will meet the requirements of an Integrated Digital Network (IDN).
After troubleshooting, or during installation or commissioning, it is necessary to
check that the transmission link meets this error performance.
This can be performed in two ways:
• End To End - Error performance measurements are made on an end-to-end basis
testing the Go and Return paths separately but simultaneously. The measurements
are often performed unattended and the results and other events, alarms for
example, logged on a printer or disc and timed by a real time clock facility.
Two HP 37717C's are required for this measurement, one at each end of the link.
End-to End Test
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