1-270 Trouble locating and clearing procedures (continued)
297-8021-544 Standard 14.02 May 2001
Restoring far-end service for a D-channel
ISDN PRI primary and backup D-channels
(continued)
Summary of Restoring far-end service for a D-channel
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
Y
1
1
1
N
Is trouble
cleared and
D-channel INS?
Manually busy
the D-channel
Passed?
Return the busy
D-channel to
service
Contact next
level of support
Passed?
End
Post the
D-channels
Are the
D-channel states
INS and STB?
Choose and
RNR D-channel
to restore
Ask far-end
personnel to clear
the trouble at their
end
Y
Y
Y
N
N
N