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тАО03-18-2009 03:46 PM
тАО03-18-2009 03:46 PM
Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
I have two ProCurve switches that have PoE capabilities:
5412ZL-96G
2610-48-PWR
Both are running very current firmware (last updated on Feb 20th).
I have 40 Linksys SPA-942 handsets that are supposedly 802.3af compliant devices that refuse to power-on on either of these switches.
I know PoE is working because I have an Aastra 57i handset that immediately activates upon being connected.
These Linksys phones, despite being made by Cisco, are listed as 802.3af compliant. I've been unable to find anybody else reporting this problem. Our integrator uses Netgear PoE switches to power these Linksys phones without any custom configuration.
What are we doing wrong?
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тАО03-19-2009 12:02 AM
тАО03-19-2009 12:02 AM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
not to be complated autonegotiation between both device
in conclusion we can see some issue (PoE issue,packed drop issue etc.)
we solve fristly autonegotiation both device
example test
connect linksys device on procurve PoE device
with utp straight true patch cable for example int 17
set up int 17 mdix mode and speed-duplex settings
(eth-17)# mdix-mode mdix
(eth-17)# speed-duplex 100-full
and make linksys device ethernet port setup 100 full
test now PoE operation
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тАО03-19-2009 08:11 AM
тАО03-19-2009 08:11 AM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
Unfortunately, that did not solve the problem.
To add insult to injury, I tested my two new Polycom IP6000 conferencing systems that are PoE-powered as well. They work perfectly on both switches.
This really, really makes me want to send back these Linksys phones.
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тАО03-19-2009 11:07 AM
тАО03-19-2009 11:07 AM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
please send me sh tech print one PoE switch
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тАО03-19-2009 12:35 PM
тАО03-19-2009 12:35 PM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
W 03/19/09 08:51:11 00564 ports: port A17 PD Invalid Signature indication.
That seems to happen whenever I plug the Linksys handset in. A quick Google search shows that this means a non-802.3af device was plugged in. That is strange, because the Linksys phone is advertised as 802.3af compliant...
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тАО06-14-2010 08:53 PM
тАО06-14-2010 08:53 PM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
Did you get over this problem?
There is something called "pre standard detection" which when enabled is supposed to handle PD's which are not Standards compliant......
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тАО06-17-2010 03:27 AM
тАО06-17-2010 03:27 AM
Re: Problem with PoE handsets not receiving power from 5400ZL or 2610-48-PWR
please say me result