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The PAP screen 3-9
Examples
PAP displays layer 1, layer 2 and layer 3 traffic as shown in the examples below.
Layer 1 status change
001 number of traffic item in the buffer
USER source of item
Jan 03 date and time of item
G821 ITU-T layer 1 protocol recommendation
00 status change type, for values see Layer 1 status line
Layer 2 frame
030 position of traffic item in the buffer (note that this differs from layers
1 and 3)
USER source of item
Jan 03 date and time of item
Q921 ITU-T layer 2 protocol recommendation
INFO frame type
CR0 Command/Response bit setting
PF0 Poll/Final bit setting
Ns=11 sending sequence number
Nr=59 receiving sequence number
Len=13 length of frame
00 01 hexadecimal contents of frame, including layer 3 message
Layer 2 frames can be displayed in alphanumeric or hexadecimal format. For details see
the L2 command in Chapter 4 — Commands.