SNAX/XF and SNAX/APN Configuration and Management Manual

PTrace Reference for SNAX/XF and SNAX/APN
SNAX/XF and SNAX/APN Configuration and Management Manual—425836-006
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255: CLIP^TRACE^BLOCK
17:13:56.75 U(08) DMA write completion.
is a subrecord indicating that the SDLC frame data in the preceding subrecord has
been successfully clocked out on the line.
The next four subrecords are for additional CLIP level-1 and level-2 state-machine
events, as previously described.
17:13:56.75 SDLC Out C8: RR0-P ...
is another subrecord containing an outgoing SDLC frame. Its fields are as
described for the preceding SDLC Out subrecord; note that in this subrecord, -P
indicates that the poll bit is set.
The next two subrecords are for a DMA write completion of the preceding subrecord
and a CLIP level-1 state-machine event, as previously described.
17:13:56.76 U(02) DCD off or Link Idle.
is a subrecord indicating that the link is now idle.
17:13:56.77 U(10) DMA read completion.
is a subrecord indicating that the CLIP is receiving data over the line.
The next subrecord is for another CLIP level-1 state-machine event, as previously
described.
17:13:56.77 SDLC In C8: RR1-F ...
is a subrecord containing an incoming SDLC frame.
C8
is the address field (PU address) of the frame.
RR1-F
describes the contents of the control field. The first letter identifies the type of
frame; it is one of the following:
For an information frame, the next characters in this field are two integers
separated by a comma, as shown above. The first number is the Nr value, and
the second number is the Ns value.
For a supervisory frame, the abbreviation for the supervisory command (RR,
RNR, or REJ) appears following the letter S. The command may be followed
by a frame count.
I Information frame
S Supervisory frame
U Unnumbered frame