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poe support switch

cool_jsm
Occasional Advisor

poe support switch

pls suggest which poe switch is support stright through cable using cisco 7960 ip phone & hp procurve model details.

 

 

10 REPLIES
Richard Litchfield
Respected Contributor

Re: poe support switch

Use IE to look at http://www.hp.com/networking/configurator/.

 

Click the Product Selectors | Switches, and you can put in the relevant details and have it help select a model or models for you.

cool_jsm
Occasional Advisor

Re: poe support switch

Thank You "Richard"

 

This site is also useful to me, but i want technical support my problem is crossover cable is support to cisco ip phone 7960g but "Stright Through Cable is not Getting Power"

 

 And my swtich model is : HP ProCurve Switch 2610-24-PWR (J9087A)

Richard Litchfield
Respected Contributor

Re: poe support switch

Unrucky! That is why you should stick to standards-based products!

 

The Cisco 7960G phone requires pre-standard power (ie not POE/802.3af)

https://supportforums.cisco.com/thread/299554?referring_site=kapi

http://www.cisco.com/en/US/products/hw/phones/ps379/products_qanda_item09186a00808996f3.shtml

 

You may be able to get the 2610 to provide "pre-standard" power, but I haven't tried. The ProVision based ProCurve switches have "power-over-ethernet pre-std-detect" that you could try.

cool_jsm
Occasional Advisor

Re: poe support switch

 i try this command also power on pre-standard detection but my ip phone is not getting power still same problem.

Arimo
Respected Contributor

Re: poe support switch

Hi

 

So command "power pre-std-detect" doesn't resolve the issue for you? Do you have this problem with all the switch ports? Are you running current SW for your switch? Are you running current FW on the phones?

 

I'm not too familiar with these phones, but I'm not familiar with any issues like this between them and the 2610 switch. Have you tried manually setting the port mode to MDI or MDIX?

 

If you have a current FW / SW versions and you have tried manual setting, contact support.


HTH,

Arimo
HPE Networking Engineer
cool_jsm
Occasional Advisor

Re: poe support switch

 hi arimo,

 

i try MDI and MDIX manually its not get power in straight through cable but crossover cable is working in MDI mode. and i upgrade FW also no responses in my switch. iam no t upgrade FW in Cisco Ip phone 7960g.

 

i dont know how to upgrade FW in cisco ip phone.

 

thk you for your replay.

Arimo
Respected Contributor

Re: poe support switch

Hi

 

A colleague stumbled on the solution:

 

http://bizsupport1.austin.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02596877&lang=en&cc=us&taskId=&prodSeriesId=3751584&prodTypeId=12883

 

QUESTION: What pre-standard PoE devices are supported?
ANSWER:
  • Cisco 7902G, 7905G, 7912G, 7940G, 7960G IP Phones
  • Cisco Aironet 350, 1100, 1200, 1230AG Access Points
  • Mitel 5220 (non-dual mode) IP Phone
NOTE: Cisco pre-802.3af standard phones require the use of a cross-over cable from this switch to their device. These devices are dependent on the polarity of the DC voltage (a violation of the 802.3af standard).
 
 
So because of the phone design you have no other option but cross-over cables.

HTH,

Arimo
HPE Networking Engineer
cool_jsm
Occasional Advisor

Re: poe support switch

hi arimo,

 

if i upgrade my cisco  phone 7960g FW then possibility to rectify the following problem.

Arimo
Respected Contributor

Re: poe support switch

Hi again

 

Nope, I don't think that's going to help.

 

I'm not familiar with these phones, but generally power supply wiring is a hardware design. That can't be changed through firmware.


HTH,

Arimo
HPE Networking Engineer
Sreejish
Visitor

2626 J8164A command for poe pre-std-detect

Hi

I have J8164A (2626) deployed and is not powering up my 7912 cisco phones but wokring with latest models. I have found the command

power-over-ethernet pre-std-detect  as a solution. Now i have replaced the switch by J8692A 3500yl and able to configure the above command and phones are taking power. Please anyone help out me on why the same command is not available on 2626. Also let me know which is the latest verison of FW for the 2626 switch.