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

carlo_calabrese2006 at yahoo.com carlo_calabrese2006 at yahoo.com
Mon Jul 10 14:15:14 EDT 2017


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 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] 
> 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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