Selecting Test Features
Setting up Signaling Bits
Setting up Signaling Bits
Description
When transmitting 2.048 Mb/s signals with timeslot-16 CAS (PCM30 or
Option 012 required
PCM30CRC) multiframing the state of A,B,C,D signaling bits can be set. The
for PDH operation.
signaling bits of all timeslots are set to the user-defined 4-bit value.
When transmitting a DS1 framed, structured signal the values of the A,B signaling
bits for D4 and SLC-96 payloads, and A,B,C,D signaling bits for ESF payloads can
be defined.
HOW TO
Transmit a 2 Mb/s signal with user-defined signaling bits
PDH Operation
1 Choose
2 Choose SIGNAL
the
3 If UNSTRUCTURED is chosen set the 2M CAS ABCD bits value on the
If STRUCTURED is chosen set the 2M CAS ABCD bits value on the
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on the
PDH/DSn
TRANSMIT
and PAYLOAD TYPE
2 Mb/s
display.
MAIN SETTINGS
display.
MAIN SETTINGS
STRUCTURED SETTINGS
display.
PCM30
display.
or
on
PCM30CRC
67