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Re: [Discuss-gnuradio] setup of usrp N100/N200

From: Activecat
Subject: Re: [Discuss-gnuradio] setup of usrp N100/N200
Date: Mon, 21 Oct 2013 13:09:11 +0800

You shall troubleshoot in the following steps:

1).  Bring up the physical ethernet connection between your PC and the USRP. Upon successful you will see the LED turns on at the USRP GE port.

2). Set your PC IP address to the same subnet but don't crash with the USRP's ip address.
     If this step is successful then you will be able to ping the USRP.

3).  Issue command "uhd_find_devices" and you will see the USRP being discovered.

Then you could proceed with "uhd_usrp_probe" to see more details.

On Mon, Oct 21, 2013 at 1:00 PM, Sandhya G <address@hidden> wrote:
ya its a new one and sir y i'am i getting unknown key format even though i give addr= and the problem i'm facing is its showing me an error has cannot find as a single device.I have no clue the reason for that

Thanks and regards

On Mon, Oct 21, 2013 at 10:24 AM, Activecat <address@hidden> wrote:
If that is a new USRP from factory then you don't need to update the firmware.

On Mon, Oct 21, 2013 at 12:51 PM, Sandhya G <address@hidden> wrote:
Thanks for the reply.
Well is that only problem so that i'm unable to communicate and should i need to update the firmware?

Thanks and regards

On Mon, Oct 21, 2013 at 10:19 AM, Activecat <address@hidden> wrote:
Your pc must have 1000Mbps port. The 10/100Mbps won't work.
An alternative is to connect a 10/100/1000 LAN switch between your pc and the USRP.


On Mon, Oct 21, 2013 at 12:37 PM, Sandhya G <address@hidden> wrote:

HI all,

I have followed as per the instructions given in the webpage for set up of the Usrp N200/N210 but still i am unable to communicate between the  hardware and host pc


                1.I have set the static ip of the host pc to eth0

2.Whenever i give the device address=addr= and run the grc i am getting the error has “unknown key format” 

3.Whenever i ping or use the command  uhb_find_device  i am getting warning as “NO DEVICE FOUND

4. Is that a must i have to upload the fpga and firmware images when using the device for the first time.

5.Sometimes i am getting an error like” unable to find as single device”.

6.The host pc is supporting only 10/100MBPS .Is that the only problem so that i am unable to communicate with the hardware.


Can anybody help me on this issue.Awaiting for your valuable reply

Thanks in advance 


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