User guide

T1-A and T1-B Tests
Multi Protocol Test Set 219
Facility Results
³ B8ZS: A green LED indicates that B8ZS code word is detected,
otherwise the LED should be black if no code word is detected. B8ZS
is a type of line coding. This can also be set through the test setup page.
B8ZS is Bipolar 8 Zero’s Substitution. 8 consecutive zero-level voltages
are replaced by the sequence 000VB0VB, where V is violation and B is
bipolar. V means the same polarity as the polarity of previous non zero
pulse and B means the polarity opposite to the polarity of the previous
non zero pulse.
³ Signal, Slips, and RTD
Allows to either displays the signal, slips, or Round Trip Delay (RTD)
status.
³ Signal status displays the received signal frequency (Hz) and its
level (dBdsx and Vpp). If no signal is received, NO SIGNAL is
displayed.
³ Slips displays the received clock slips. A reference clock must be
connected on the T1-B RX port. Slips compare the T1-A clock to
the reference T1-B clock and displays the slips count (Slips) and
difference in frequency deviation in Hz (Dev). If no signal clock is
received, NO REFERENCE is displayed.
³ RTD displays the measured round trip delay in ms. RTD is not
available with Monitor and Bridged test modes.
³ Report: Select the Report button to generate a report for the test. Refer
to Report Generation on page 91 to generate and save a report file.