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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Troubleshooting
6-5Troubleshooting ATM-CES
6
Troubleshooting ATM-CES
Table 6-4 provides a first-level method for troubleshooting an installation.
The following list provides tips for further ATM-CES troubleshooting:
■ Inspecting LEDs—Describes the possible LED states on the
— TN2305/TN2306 ATM interface circuit packs
—ATM switch
■ Troubleshooting interoperability—Provides guidelines for troubleshooting
—
Physical connections
—
Administration
—
TN2305/TN2306 circuit pack
—
ATM signaling architecture
■ Unusual ATM trouble conditions—Describes difficult-to-diagnose failure
modes in the DEFINITY ECS and ATM switch combinations.
■ DEFINITY ECS ATM-CES troubleshooting commands—Describes
specific troubleshooting commands.
Table 6-4. ATM-CES installation troubleshooting checklist
Problem Solution
Is DEFINITY ECS software Release 7 or
later?
Verify that software is Release 7 or later
On System Parameters Maintenance
screen
Is
Bus Bridge
field set to enabled? (csi)
Is
Packet Bus
field set to activated?
(r,si)
Are EI circuit packs TN570Bs or later?
Set to correct field
Set to correct field
Verify/replace EI circuit packs
All COR, COS, UDP, FRLs, AAR, and ARS
support proper routing
Verify they are all set correctly