Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

Swicth DC Supply

Hi everyone,

I want to confirm if Cisco Switch(WS-C2960-24-S) should be able to operate on -48 V DC Supply?

Thanks

Sam

7 REPLIES
Cisco Employee

Re: Swicth DC Supply

Sam,

From the hardware installation guide, I do NOT see 2960-24-S support DC input.

http://www.cisco.com/en/US/docs/switches/lan/catalyst2960/hardware/installation/guide/higspec.html#wp1015856

- Yogesh

New Member

Re: Swicth DC Supply

Hi yogesh,

Thanks for your timely response.

Is there any cisco switch that can operate on -48 V DC power supply?

thanks

samson

Cisco Employee

Re: Swicth DC Supply

In the same webpage I sent earlier, I see Catalyst 2960-24PC-L supports -48V DC. This page lists several other models which support -48V DC.

- Yogesh

New Member

Re: Swicth DC Supply

Hi yogesh,

I saw some of the switches. but for catalyst 2960-24pc-l, catalyst 2960-24lt-l and catalyst 2960-48pst-l  switches, I could only see the DC input voltage for RPS 2300 to be -48 V.

Equally i saw some switches too with DC input voltage to be 48 VDC(i.e catalyst 2960PD-8TT-L)

can you please explain to me the technology behind the -48 V DC power supply for switches?

thanks

sam

Cisco Employee

Re: Swicth DC Supply

Sam,


I do not know the DC power-supply technology.

I found this one in google:

http://www.deltartp.com/dpel/dpelconferencepapers/Keynote%202%20%283%29-%2815%29.pdf

- Yogesh

New Member

Re: Swicth DC Supply

Thanks yogesh

New Member

Re: Swicth DC Supply

Hi, rahman001

So have you figured out whether 2960-24pc-l or 2960-24lt-l support 48 DC power input?

Thanks!

312
Views
0
Helpful
7
Replies
CreatePlease login to create content