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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Troubleshooting
6-6Troubleshooting ATM-CES
6
Inspecting LEDs
To get a high-level status of the system, observe the LEDs on the
TN2305/TN2306 ATM interface circuit packs and the ATM switch. For information
on interpreting the LEDs on the ATM switch, refer to your switch’s quick reference
guide. For information on interpreting the LEDs on the TN2305/TN2306 circuit
packs, refer to the following books:
■ DEFINITY Enterprise Communications Server Release 8 Maintenance for
R8r
■ DEFINITY Enterprise Communications Server Release 8 Maintenance for
R8si
■ DEFINITY Enterprise Communications Server Release 8 Maintenance for
R8csi
Troubleshooting interoperability
This section covers the following ATM interoperability topics:
■ Physical connections—Checks for correct ATM installation and
configuration
■ Administration—Checks for correct DEFINITY ECS and ATM switch
administration
■ TN2305/TN2306 circuit pack—Checks LED status, circuit pack insertion,
and demand tests
■ ATM signaling architecture—Checks the interoperability between the
DEFINITY ECS switch and the ATM switch
Because Lucent offers a variety of ATM switches, this discussion suggests
general rather than specific diagnostics.
Physical connections
Has the ATM switch been installed and configured correctly?
Diagnostics
■ Is the ATM switch powered up?
■ If you are administering the ATM switch through a locally attached
console, is there a local console terminal connected to the console port on
the ATM switch processor circuit pack with the correctly pinned RS232
serial cable?
■ If you are administering the ATM switch through telnet over the Ethernet, is
there an Ethernet drop plugged into the Ethernet port on the ATM switch
processor board? (Note that a few ATM switch commands may only be
permitted over the local console terminal.)