Alarms, Errors, and Troubleshooting
555-233-143
4-28
Issue 1 May 2002
ATM Tips
This section provides tips for S8700 Multi-Connect ATM PNC when interfacing
with the ATM switch. Throughout this section, refer to
Figure 4-6.
ATM troubleshooting schematic
NOTE:
The CaPro element (Note 1 in
) is a software module within the
S8700 Multi-Connect server.
Initial LED Inspection
Visually inspect the LEDs on both the TN230X (
) and the ATM switch
) for a high-level status of the system.
Table 4-4.
TN230X LED reference
LED color
Interpretation
Red
Green
Amber
Off
Off
Off
Normal state for EPN’s standby ATM EI board
Off
Off
2 sec on /
2 sec off
Normal state for EPN’s active PNC archangel ATM EI
board
–
–
100ms on /
100ms off
Loss of signal on the OC-3 fiber. Either the
TN230X-receive (top) or TN230X-transmit (bottom)
fibers are not working.
Continued on next page
TN2238
Switch PPN
Switch 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
iodftrb LJK 020801
CaPro
1
TN2238
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...