[j-nsp] MX240 MX480 and MX960 Power Consumption

[Kevin Day]

They have a guide to calculating power requirements for these two routers:

http://www.juniper.net/techpubs/en_US/release-independent/junos/topics/reference/specifications/calculating-power-requirements-mx480.html

http://www.juniper.net/techpubs/en_US/release-independent/junos/topics/reference/specifications/calculating-power-requirements-mx960.html


Roughly:


An otherwise empty MX480 is:

Base system: 40W
Fans: 160W
Two SCBs with two REs: 550W
Total: 750W

An otherwise empty MX960 is:

Base system: 50W
Fans: 640W
Two SCBs with two REs: 550W
Third SCB with no RE: 185W
Total: 1425W

If you fully load both systems with MPCs, the power overhead per slot is lower on the MX960. If you’re never going to have more than 6 MPCs, the MX480 is going to be more power efficient. 




> On Aug 21, 2015, at 8:28 AM, Colton Conor <colton.conor at gmail.com> wrote:
> 
> We are evaluating the three Juniper platforms, and trying to understand the
> power consumption differences between the 3. Space is not really an issue,
> but overall power consumption is.
> 
> So if all three have the following cards in the, how much difference will
> there be in power consumption between the three chassis? I assume the only
> differences will the the fan trays, and that the MX960 supports a 3rd SCB
> that will more than likely be populated?
> 
> Does Juniper have an excel worksheet?
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