Avaya 5520-24T-PWR manual Conclusion, Additional References

At the CLI main entry point, type “enable” followed by the “Enter” key. The “show poe-power- measurement” command displays power measurements for the ports using PoE. The window below shows a sample output.

5520-24T-PWR#show poe-power-measurement

Port	Volt(V)	Current(mA)	Power(Watt)
----	-------	-----------	---------------
1	48.2	99	4.771	9630
2	0.0	0	0.000	9640
3	48.3	82	3.960
4	0.0	0	0.000	4621
5	48.3	99	4.781

The “show poe-port” command displays the power class for the ports using PoE. The window below shows a sample output.

5520-24T-PWR#show poe-port				Limit
Port	Admin	Current	Classification		Priority
	Status	Status		(Watts)
----	-------	-----------------	--------------	-------	--------
1	Enable	Delivering Power	2	16	Low
2	Enable	Detecting	0	16	Low
3	Enable	Delivering Power	2	16	Low
4	Enable	Detecting	0	16	Low
5	Enable	Delivering Power	2	16	Low

When the IP Telephones are properly powered, the IP Telephones should register and receive dial tone when they are off-hook. If the IP Telephones are not receiving power, check the cable used and check the port configuration to ensure PoE was enabled on the port.

7. Conclusion

These Application Notes described configuration of the Nortel 5520-24T-PWR switch to power Avaya IP Telephones, and the Avaya one-X Quick Edition G10 PSTN Gateway. The Nortel 5520-24T-PWR switch was able to power all devices tested.

8. Additional References

The Avaya product documentation is available at http://support.avaya.com. The Nortel documentation is available from the Nortel website.

[1]Administrator Guide for Avaya Communication Manager, Issue 3.1, February 2007, Document Number: 03-300509.

[2]Nortel Ethernet Routing Switch 5500 Series, Overview – System Configuration, Version 02.03, July 10 2006.

JPA; Reviewed:	Solution & Interoperability Test Lab Application Notes	7 of 8
SPOC 8/6/2007	©2007 Avaya Inc. All Rights Reserved.	Nortel5520PoE.doc