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power for 7900 series phones

jsveinson
Level 1
Level 1

New 7945,7965,7975 phones will not power up on existing network where 7940 and 7960 work fine

1 Reply 1

Brandon Buffin
VIP Alumni
VIP Alumni

These phones do not support Cisco pre-standard PoE. They support 802.3af only. If your PoE switch does not provide 802.3af power, you will have to use a power injector or power adapter. Take a look at the phone specifications in the following link.

http://www.cisco.com/en/US/customer/docs/voice_ip_comm/cucm/srnd/6x/endpnts.html

Hope this helps. If so, please rate the post.

Brandon

Review Cisco Networking products for a $25 gift card