[cisco-voip] 8841 no power connecting to 4510/4748

[Brian Meade]

Bill,

Have you tried connecting direct to the switch to bypass cabling?  Maybe
older phones are using Cisco inline power instead due to bad cabling?

On Mon, Jul 10, 2017 at 2:26 PM, Brian Meade <bmeade90 at vt.edu> wrote:

> They support both IEEE 802.3af and 802.3at.
>
> On Mon, Jul 10, 2017 at 2:15 PM, Carlo via cisco-voip <
> cisco-voip at puck.nether.net> wrote:
>
>> I don't think the 8841s do 3.af which is what the 4748 sends out
>>
>> Sent from my iPhone
>>
>> On Jul 10, 2017, at 11:08 AM, Hendrix, Bill W. - US <
>> george.hendrix at caci.com> wrote:
>>
>> Although we do have 4148 line cards in the chassis as well, the line card
>> we are using is a 4748.
>>
>>
>>
>> *From:* carlo_calabrese2006 at yahoo.com [mailto:carlo_calabrese2006 at ya
>> hoo.com <carlo_calabrese2006 at yahoo.com>]
>> *Sent:* Monday, July 10, 2017 2:05 PM
>> *To:* Hendrix, Bill W. - US <george.hendrix at caci.com>
>> *Cc:* Ryan Huff <ryanhuff at outlook.com>; cisco-voip at puck.nether.net
>> *Subject:* Re: [cisco-voip] 8841 no power connecting to 4510/4748
>>
>>
>>
>> I know that the 4148 is to old and will not support the new phones may
>> look at the 4748 and see if it supports the new phone
>>
>> Sent from my iPhone
>>
>>
>> On Jul 10, 2017, at 10:55 AM, Hendrix, Bill W. - US <
>> george.hendrix at caci.com> wrote:
>>
>> CDP is enabled.  Below it the POE for the interface.  Most ports show as
>> “off” until the phone is detected.  Like I said, 7962s working fine.
>>
>>
>>
>>
>>
>> show power inline gi3/1
>>
>> Available:1400(w)  Used:308(w)  Remaining:1092(w)
>>
>>
>>
>> Interface Admin  Oper            Power(Watts)     Device
>> Class
>>
>>                             From PS    To Device
>>
>> --------- ------ ---------- ---------- ---------- -------------------
>> -----
>>
>>
>>
>> Gi3/1     auto   off        0.0        0.0        n/a
>> n/a
>>
>>
>>
>> Interface  AdminPowerMax   AdminConsumption
>>
>>              (Watts)           (Watts)
>>
>> ---------- --------------- --------------------
>>
>>
>>
>> Gi3/1                 30.0                 15.4
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *From:* Ryan Huff [mailto:ryanhuff at outlook.com <ryanhuff at outlook.com>]
>> *Sent:* Monday, July 10, 2017 1:40 PM
>> *To:* Hendrix, Bill W. - US <george.hendrix at caci.com>;
>> cisco-voip at puck.nether.net
>> *Subject:* Re: 8841 no power connecting to 4510/4748
>>
>>
>>
>> Bill,
>>
>>
>>
>> Verify that CDP and power inline auto are enabled from the port
>> configuration perspective then from the *enable* prompt, what is the
>> available/used wattage output of "show power inline"?
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Ryan
>>
>>
>> ------------------------------
>>
>> *From:* cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
>> Ryan Huff <ryanhuff at outlook.com>
>> *Sent:* Monday, July 10, 2017 1:28 PM
>> *To:* Hendrix, Bill W. - US; cisco-voip at puck.nether.net
>> *Subject:* Re: [cisco-voip] 8841 no power connecting to 4510/4748
>>
>>
>>
>>  it show up  CDP?
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Ryan
>> ------------------------------
>>
>> *From:* cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
>> Hendrix, Bill W. - US <george.hendrix at caci.com>
>> *Sent:* Monday, July 10, 2017 1:14 PM
>> *To:* cisco-voip at puck.nether.net
>> *Subject:* [cisco-voip] 8841 no power connecting to 4510/4748
>>
>>
>>
>> Hey guys,
>>
>>
>>
>>   I am testing an 8841 on a switch we have, but the switch doesn’t seem
>> to be detecting the phone.
>>
>>
>>
>> Phone info:
>>
>> 8841 - sip88xx.11-5-1SR1-1.loads
>>
>>
>>
>> Switch info:
>>
>>
>>
>> Switch WS-C4510R+E
>>
>> Supervisor: WS-X45-SUP7-E (03.04.05.SG.151-2.SG5)
>>
>> WS-X4748-RJ45V+E version 1
>>
>>
>>
>> I also tested it in a WS-X4148-RJ45V slot, but it also doesn’t work.
>> Phone powers up fine connecting to a 3560G running 15.0 IOS.
>>
>>
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Bill Hendrix
>>
>>
>>
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>>
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>>
>
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