On 2021-11-22 02:18, Richard Bell wrote:
Hey Marcus,
I would like to be able to use all four channels of each N310 if
desired. In that case it would take 2 SFP+ per N310 as I understand
it. If I only use 1 channel I would require 1 SFP+ port, I understand
your point.
Richard
Ah. I misunderstood. Then, yes, in order to move 400Msps per USRP
you'd need two SFP+ 10Gig cards per USRP. But the aggregate there is 2Gsps.
That would require some very very very capable machine, even to just
record the samples, even briefly. If you can make that work, I think
we'd all
like to know how....
On Sun, Nov 21, 2021 at 10:08 PM Marcus D. Leech
<[email protected]> wrote:
On 2021-11-22 00:55, Richard Bell wrote:
Hello,
I am attempting to setup 5 USRP N310's to be controlled by a
single host. You can assume the host has enough processing power
to avoid being the bottleneck. My question here is only concerned
with properly setting up the network so that 100 MHz of bandwidth
capture is theoretically supported by each of the 5 N310's per
channel.
Would the following setup support the above:
1) Connect each of the 1G Ethernet management ports to a
switch and connect the switch to the host. Each radio should be
assigned an IP address automatically by a DHCP server as I
understand it.
2) Connect the SFP+ ports to a corresponding NIC SFP+ port on the
host computer. With 5 N310's this will correspond to 10 total
SFP+ ports required at the host, two per radio.
Is this correct, or do I need to change something? Also, is there
a way to reduce the required number of SFP+ ports required on the
host by using a 100G switch in some way?
Thank you for any assistance you can provide
Richard
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I'm slightly confused by the wording. Do you intend to bring in a
total of 1Gsps or 500Gsps?
A single 10G SFP+ port should support about 200Msps. Unless I
botched the late-night math, you'd only need both SFP+ ports per
N310 if you were bringing in up to 400Msps.
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