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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Troubleshooting
6-9Troubleshooting ATM-CES
6
NOTE:
Port numbers on each end of the emulated circuit do not have to match.
Is the ATM switch administered correctly?
To verify that a specific Lucent ATM switch was administered correctly, refer to
the appropriate reference guide.
TN2305/TN2306 circuit pack
Did the TN2305/TN2306 come up correctly?
1. Review the LED conditions for the TN2305/TN2306 (refer to the
appropriate maintenance book for LED indications):
■ Do the TN2305/TN2306 LEDs indicate a normal operational state
(any of the following):
— Active in the PPN
— Standby in the PPN
— Archangel mode in the EPN
7. Check D-channel
administration
The D-channel is administered in a port numbered
009–032 (display signaling-group
siggrpnbr
, screen 2).
NOTE:
The D-channel is automatically populated in
channel 24 (T1) and channel 16 (E1) and this must
match on both ends.
8. Check trunk limits DEFINITY trunk limits must not be exceeded (see
Table
6-6)
Table 6-6. DEFINITY ECS trunk capacities by model
Capacity c, csi, si r
Maximum trunks per trunk group 99 255
Maximum number of trunk groups 99 666
Maximum number of trunks in the system 400 4000
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Table 6-5. Troubleshooting CES — Continued
√ Step Action Description
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