HP 37717C User Manual page 107

Making Measurements
Monitoring Signaling Bits
Results Displayed
The state of the received signaling information is displayed on the
RESULTS
Note: To display 2 Mb/s signaling information PCM30 or PCM30CRC
framing must be selected.
Note: To display DS1 signaling information the receiver Test Signal
must be set to 64 kb/s, Nx64 kb/s, 56 kb/s or Nx56 kb/s.
2.048 Mb/s For 2 Mb/s signals with timeslot-16 CAS multiframing a table showing
Results the values of A,B,C,D signaling bits in all 30 channels is given.
DS1 Results D4 and SLC-96 payloads
(option110)
A table simultaneously showing the state of the A and B signaling bits in
the 6th and 12th frames of a superframe is given. Each frame contains
24 timeslots. In SLC-96 mode A and B choices are 0, 1 or alternating. If
you set bit A or B to alternate, the displayed bit changes to an A, to
indicate that the bit is alternating from 1 to 0. The same signaling is
transmitted in all channels.
ESF Payloads
A table simultaneously showing the state of the A, B, C and D signaling
bits in the 6th, 12th, 18th and 24th frames of a superframe is given.
Each frame contains 24 timeslots.
96
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PDH PAYLOAD SIG/BIT MONITOR
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