Lucent Technologies Release 7 User Manual
DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
Maintenance for R7r
555-230-126
Issue 4
June 1999
Alarms, Errors, and Troubleshooting
5-28
ATM Tips
5
Figure 5-6.
ATM troubleshooting schematic
NOTE:
The CaPro element (Note 1 in
Figure 5-6
) is a software module within the
DEFINITY PPN.
Initial LED inspection
Visually inspect the LEDs on both the TN230X (
Table 5-5
) and the ATM switch
) for a high-level status of the system.
Table 5-5.
TN230X LED reference
LED color
Interpretation
Red
Green
Yellow
Off
Off
Steady on
Normal state for active ATM EI board on PPN.
Off
Off
Off
Normal state for standby ATM EI board on PPN and
EPN.
EPN.
Off
Off
2 sec on /
2 sec off
2 sec off
Normal state for active PNC archangel ATM EI board
on EPN.
on EPN.
-
-
100ms on /
100ms off
100ms off
Loss of signal on the OC-3 fiber. Either the
TN230X-receive (top) or TN230X-transmit (bottom)
fibers are not working.
TN230X-receive (top) or TN230X-transmit (bottom)
fibers are not working.
N/S
Fast blink
-
Running DSP diagnostics or downloading code to
DSPs (typical during boot process).
DSPs (typical during boot process).
Continued on next page
CaPro
TN2238
TN2238
DEFINITY
PPN
DEFINITY
EPN
AX500
ATM call control
Port boards
Switch
processor
Switch
fabric
Q.93B
Q.SAAL
ATM
SONET
Physical
Q.93B
Q.SAAL
ATM
SONET
Physical
Fiber
Fiber
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