Nortel Meridian 1 Administration And Maintenance page 398

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553-3011-311 Standard 7.0
Chapter 8 — Service changes and maintenance
BRI104
MISP sent DSL status message. The first number after the address displays
the new DSL status message, the second number displays the reason for the
change of status, and the third number displays the time when the status was
printed. DSL states are:
0H Unequipped
1H Disabled
2H Maintenance busy
3H Reserved for future use
4H Enabled, but network (layer 2) is in release state
5H Enabled and network (layer 2) is established
6H Busy
Possible reasons for change of state are:
1H The first network (layer 2) link has been established
2H The last network (layer 2) link has been released
3H A DSL overload counters has been reached
4H Excessive physical (layer 1) errors on a DSL have been detected
May 1999