Ericsson ASB 150 02 - Flow Chart: Digital Trunk Does Not Work At All

19(42)
Datum/Date Rev
Dokumentnr/DocumentnrUppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved Kontr/Checked Tillhör/Referens-File/Reference
1999-07-15 F
1545-ASB 150 02 Uen
FAULT TRACING DESCRIPTION
Faktaansvarig - Subject responsible
2.6 Flow chart: Digital trunk does not work at all
Correct programming
Is the
Y
Check in RASC the link
supervision if synchroni-
sation is possible.
Warnings
Y
logged for the
card functions?
Did this
Y
board work before?
Connect to RASC.
firmware?
Is the
hardware setup
ok? Correct jumper
settings and/or
Y
Correct hard-
ware setups
N
N
Did this
Y
board work before?
Swap board.
Y
Does it function
correctly?
Send to swap repair
with fault report
network/line
signalling selection
link correct?
N
Is the
Y
ISDN termi-
nation selection
correct?
N
Change selection
Are the
Y
services used
in the PBX subscri-
bed correctly?
N
Change termination
Are the
Y
services used
in the PBX subscri-
bed correctly?
N
If possible collect the signalling
trace and forward it with the
fault report. (see point 4.13)
AA
AA
= Go to " Completion of service" on page 31
AE
From
page 12
1
1
N
N
N