T1
Flowchart Symbols
8-20
Strata DK I&M 6/00
Flowchart 8-1
Fault Classification
Go to
1
1
1676
RDTU LED Indicators
Busy (on)
FALM (on)
MFALM (on)
YALM (on)
BALM (on)
Top
LED
PSYNC (on or off)
SSYNC (on or off)
Busy (on)
No alarms;
synchronization is
achieved
No alarms;
synchronization is
achieved
MFALM (on)
(only)
YALM (on)
Bottom
LED
The fault is not
classified, contact
your technical
support group.
Yes
Start
The
problem is: the RDTU
will not synchronize with the
far end
T1.
Go to
chart 2
The
problem is: no
dial tone on CO
lines.
No
Yes
Yes
The
problem is: clicking
or popping sounds on the
talk path.
No
The
problem is: no
dial tone on CO
lines.
No
Yes
The
problem is: no
dial tone on CO
lines.
No
Yes
Run DK programs per “RDTU
(T1) Applications.”
Note: Remember to cycle power
after Program
*
41-2.
Contract your technical
support group
Run DK programs per “RTDU (T1)
Applications.” Note: MFALM (only) can
indicate that RDTU is set for (SF)
and the far end T1 is (ESF), or vice versa,
see Program
*
41-1.
This normally means that the far end
does not receive the RDTU signal,
but RDTU is receiving the far
end carrier signal.
Start
Go to chart 2
The
problem is: volume levels
are too high or too
low.
No
Yes
Run Program
*
41-3, 4
per “RTDU (T1)
Applications.”
No
Start
Go to
chart 3
Is the
problem
cleared
?
Yes
No
End
Summary of Contents for Strata AirLink DK40i
Page 22: ...Introduction Related Documents Media xx Strata DK I M 6 00 ...
Page 48: ...DK14 Installation DK14 Wiring Diagrams 1 26 Strata DK I M 6 00 ...
Page 220: ...DK424 Installation Remote Cabinet Installation Instructions 5 68 Strata DK I M 6 00 ...
Page 262: ...DK424i Configuration Primary Reserve Power Cabinet Hardware 6 42 Strata DK I M 6 00 ...
Page 450: ...Universal Slot PCB Wiring Option Interface PCB Wiring Diagrams 10 42 Strata DK I M 6 00 ...
Page 592: ...Peripheral Installation Enhanced 911 Service E911 12 84 Strata DK I M 6 00 ...
Page 616: ...ACD Installation Spectrum Electronic Wall Boards 13 24 Strata DK I M 6 00 ...
Page 634: ...Fault Finding Fault Isolation Flowcharts 14 18 Strata DK I M 6 00 ...
Page 704: ...ISDN Interfaces ISDN Disconnect Cause Code 16 54 Strata DK I M 6 00 ...