No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>


To have a better experience, please upgrade your IE browser.


S5700-52C-PWR-EI interoperability issue between CICSO IP phones

Publication Date:  2015-04-22 Views:  458 Downloads:  0
Issue Description

Problem Description :-

we used S5700-52C-PWR-EI to connect CICSO IP phone 7912 and 7960 . its not getting power.



Alarm Information
There is no alarm found
Handling Process

Analysis Process :-

we used huawei  and Avaya IP phone its getting power and working fine .


Root Cause

we checked interface POE power status and  found that  ,By default, the PSE does not check the capability of the PD


We enabled " poe legacy enable " -

When compatibility check is enabled, the device can detect and provide power for the PD that does not comply with the 802.3af or 802.3at standard. If compatibility check is not enabled, the device cannot detect and provide power for the non-standard PD