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Monitor - Advanced Electronic Applications PK-88 Operating Manual

Packet controller
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PK-88 OPERATING MANUAL
MONITOR 'n'
Parameters:
'n' -
0 to 6 specifies various levels of monitor indications
As the value of MONITOR settings is increased, additional functions are included in
the monitoring sequences.
The meanings of the parameter values are:
0
All packet monitoring functions are disabled.
1
Only unnumbered (UI) frames resulting from an unconnected transmission are
displayed. Use this for an 'unproto,' roundtable type contact. Other mutually
connected stations using the frequency are not displayed. This setting also
displays beacons.
2
Numbered (I) frames are also displayed. I-frames are numbered in order of
generation and result from a connected transmission. Use this to monitor
connected conversations in progress.
3
Connect request (SABM or 'C') frames and disconnect (DISC or 'D') frames are also
displayed with the headers.
4
Unnumbered acknowledgment (UA) of connect- and disconnect-state frames are also
displayed with either the characters 'UA' or 'DM' and a header.
5
Receive Ready
(I)-Frames are also displayed.
6
Poll/Final bit and sequence numbers are also displayed.
Monitored frame protocols are shown by the type of brackets:
< > indicates AX.25 Level 2 Version 1 frames
[ ] indicates AX.25 Level 2 Version 2 command frames
( ) indicates AX.25 Level 2 Version 2 response frames
Mnemonic: M
Not Ready (RNR), Reject (RJ), Frame Reject (FRMR) and
(RR), Receive
5-64
Default: 4
COMMAND SUMMARY
PK88-146

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