DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-102ATM Tips
1
ATM Tips
This section provides tips for DEFINITY ATM PNC when interfacing with the ATM
switch. Throughout this section, refer to Figure 1-30,

using TN2238 for R6.3

systems, and TN230X for Release 7 and later

.
Figure 1-30. ATM troubleshooting schematic
NOTE:
The CaPro element (Note 1 in Figure 1-30) is a software module within the
DEFINITY PPN.

Initial LED inspection

Visually inspect the LEDs on both the TN230X (Table 1-14) and the ATM switch
(Table 1-15) for a high-level status of the system.
Tabl e 1 -1 4. 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.
Off Off 2 sec on /
2 sec off Normal state for active PNC archangel ATM EI board
on EPN.
Continued on next page
CaPro
TN2238 TN2238
DEFINITY
PPN DEFINITY
EPN
AX500
ATMcall control
Portboards
Switch
processor
Switch
fabric
Q.93B
Q.SAAL
ATM
SONET
Physical
Q.93B
Q.SAAL
ATM
SONET
Physical
Fiber Fiber
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1