Lucent Technologies Comcode 108678723 manual TN2305/TN2306 circuit pack

DEFINITY ECS Release 8.2 ATM Installation,	Issue 1
Upgrades, and Administration 555-233-124	April 2000

6Troubleshooting

		Troubleshooting ATM-CES		6-9
Table 6-5. Troubleshooting CES —
	√	Step	Action	Description
		7.	Check D-channel		The D-channel is administered in a port numbered
			administration		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

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