Fault Finding
Fault Isolation Flowcharts
9-14
Strata DK40 I&M Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Flowchart 9-7 Station Message Detail Recording (SMDR) Faults
START
No
SMDR data or
garbled data is
detected at the
PIOU/PIOUS
SMDR port.
7-1
Is the
fault
cleared?
Yes
7-5
No
This chart assumes
the SMDR device
has no faults.
No
END
Yes
Read the SMDR
installation
instructions before
proceeding with this
chart.
SMDR
data records are
sent correctly but not
when the customer
requires.
7-2
Yes
Set SMDR options in
Program 60: Threshold
time, long distance
calls only, etc.
Is the
fault
cleared?
Yes
7-3
END
7-4
Is the
fault
cleared?
Yes
7-6
No
END
7-7
Check that the SMDR device
is wired correctly to the
PIOU/PIOUS SMDR port.
(Refer to PIOU or PIOUS
wiring instructions in
Chapter 4.)
Fix as required.
Is the
fault
cleared?
Yes
7-8
No
END
Is the
fault
cleared?
Yes
7-9
No
END
Call your technical
support group.
No
No other faults are
classified. Call your
technical support
group for assistance.
No
DK40: The SMDR port is the
bottom modular jack
PIOU/PIOUS.
The modular cord connecting to
the SMDR port must be 6-wires.
Verify that the SMDR device
communication parameters are set
for: 8-data bits, no-parity, 1-stop bit,
300 or 1200 bps.
Change as required.
Change the
PIOU/ PIOUS PCB.
•
•
Call your technical
support group.
Verify that the PIOU/PIOUS baud rate SW1
switch is in the correct position (300 bps or
1200 bps) to match the SMDR device baud
rate. (Refer to PIOU/PIOUS installation in
Chapter 3.)
Change as required.
1
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