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тАО12-08-2003 09:54 PM
тАО12-08-2003 09:54 PM
ProCurve Switch 2626-PWR and Cisco IP-Phone 79xx
Can anybody answer on my question:
Cisco "pre-standard Power over Ethernet (PoE)" used in cisco switch and cisco ip-phones and IEEE802.3af used in Procurve 26xxPWR can work propertly in on site? can i connect cisco ip-phone 7940G on a port from 2626PWR for gain PoE advantage ?
Cisco "pre-standard Power over Ethernet (PoE)" used in cisco switch and cisco ip-phones and IEEE802.3af used in Procurve 26xxPWR can work propertly in on site? can i connect cisco ip-phone 7940G on a port from 2626PWR for gain PoE advantage ?
3 REPLIES 3
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тАО12-09-2003 02:30 AM
тАО12-09-2003 02:30 AM
Re: ProCurve Switch 2626-PWR and Cisco IP-Phone 79xx
Hello the 2626-PWR is 802.3af compliant and provides up to 15.4W per port to power phones, wirelessAP's, webcams and more.
If the phone doesn't need more then 15.4W then it should be possible i think. I would call Cisco to be sure before you plug in any non IEEE 802.3af compliant device. (couldn't find anything on the web regarding IEEE standard, only Cisco pre-standard)
(copy-paste from http://www.voicom.co.uk/Docs/About_802.3af.pdf)
__________________________________________
However some manufactures have gone their own way, both in specification for the Powered Devices and the Powered Sourcing Equipment. These manufacturers have developed their solutions to what has been recognised as ├в Pre-Standard├в - many of the technologies were developed before 802.3af was established. With a mix of solution now deployed some compliant to the IEEE standard and some Pre-Standard it can make it very difficult to integrate different components.
____________________________________________
so my best advice is still contact Cisco before plugging in the IP-phone.
Kind regards,
S
If the phone doesn't need more then 15.4W then it should be possible i think. I would call Cisco to be sure before you plug in any non IEEE 802.3af compliant device. (couldn't find anything on the web regarding IEEE standard, only Cisco pre-standard)
(copy-paste from http://www.voicom.co.uk/Docs/About_802.3af.pdf)
__________________________________________
However some manufactures have gone their own way, both in specification for the Powered Devices and the Powered Sourcing Equipment. These manufacturers have developed their solutions to what has been recognised as ├в Pre-Standard├в - many of the technologies were developed before 802.3af was established. With a mix of solution now deployed some compliant to the IEEE standard and some Pre-Standard it can make it very difficult to integrate different components.
____________________________________________
so my best advice is still contact Cisco before plugging in the IP-phone.
Kind regards,
S
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тАО03-18-2004 06:50 AM
тАО03-18-2004 06:50 AM
Re: ProCurve Switch 2626-PWR and Cisco IP-Phone 79xx
Hi,
The Cisco Phone (PD) should accept Power over either the Data Pairs or the Non Data Pairs (802.3af spec). The HP ProCurve Switches supply the power over te Data Pairs.
We found at that only the Cisco 7970g is actually 802.3af compliant (talking on the 79XX range).
Thanks, Ardon
The Cisco Phone (PD) should accept Power over either the Data Pairs or the Non Data Pairs (802.3af spec). The HP ProCurve Switches supply the power over te Data Pairs.
We found at that only the Cisco 7970g is actually 802.3af compliant (talking on the 79XX range).
Thanks, Ardon
ProCurve Networking Engineer
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тАО07-01-2004 05:34 AM
тАО07-01-2004 05:34 AM
Re: ProCurve Switch 2626-PWR and Cisco IP-Phone 79xx
Check out www.powerdsine.com for splitters to use for adaption of the different implementations. This website also contains informative summary of products which comply with the 802.3af standard: http://www.powerdsine.com/Products/SelectionGuide.asp
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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