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Re: [Discuss-gnuradio] Possible WBX Board Failure


From: Vijay Pillai
Subject: Re: [Discuss-gnuradio] Possible WBX Board Failure
Date: Fri, 11 Mar 2011 08:44:09 -0800 (PST)

Hi Devin,

You might have tried this already but here it goes : when i first got my WBX board, I had a similar problem - TX works but not RX. The daughterboard seemed to be securely attached (i had used only 2 screws). When i put in all 4 screws, then both TX and RX began working.

Best regards
-Vijay

--- On Fri, 3/11/11, devin kelly <address@hidden> wrote:

From: devin kelly <address@hidden>
Subject: Re: [Discuss-gnuradio] Possible WBX Board Failure
To: address@hidden
Date: Friday, March 11, 2011, 10:21 AM

So I checked all the pins in this daughtercard and they all look fine.  Could it be anything else?

Thanks any help,
Devin





Also, here is the output of uhd_usrp_probe

$ sudo uhd_usrp_probe --args="addr=192.168.10.2"
linux; GNU C++ version 4.4.5; Boost_104000; UHD_002.20110126204618.b83454d

Current recv sock buff size: 50000000 bytes
mboard0 MIMO master

Warning:
    Unknown transceiver board ID combination...
    RX dboard ID: WBX (0x0053)
    TX dboard ID: Unknown (0xffff)
  _____________________________________________________
 /
|       Device: USRP2/N Series device
|     _____________________________________________________
|    /
|   |       Mboard: USRP2-REV3 mboard
|   |   rev: 768
|   |   mac-addr: 00:50:c2:85:30:52
|   |   ip-addr: 255.255.255.255
|   |   serial: 82
|   |   name: dk-usrp2
|   |     _____________________________________________________
|   |    /
|   |   |       RX DSP: USRP2-REV3 ddc0
|   |   |   Codec Rate: 100.000000 Msps
|   |     _____________________________________________________
|   |    /
|   |   |       TX DSP: USRP2-REV3 duc0
|   |   |   Codec Rate: 100.000000 Msps
|   |     _____________________________________________________
|   |    /
|   |   |       RX Dboard: USRP2-REV3 dboard (rx unit)
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Subdev: Unknown - WBX (0x0053)
|   |   |   |   Antennas:
|   |   |   |   Freq range: 0.000 to 0.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: C
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       RX Codec: USRP2-REV3 adc - ltc2284
|   |   |   |   Gain Elements: None
|   |     _____________________________________________________
|   |    /
|   |   |       TX Dboard: USRP2-REV3 dboard (tx unit)
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Subdev: Unknown - Unknown (0xffff)
|   |   |   |   Antennas:
|   |   |   |   Freq range: 0.000 to 0.000 Mhz
|   |   |   |   Gain Elements: None
|   |   |   |   Connection Type: C
|   |   |   |   Uses LO offset: No
|   |   |     _____________________________________________________
|   |   |    /
|   |   |   |       TX Codec: USRP2-REV3 dac - ad9777
|   |   |   |   Gain Elements: None



On Thu, Mar 10, 2011 at 2:18 PM, Marcus D. Leech <address@hidden> wrote:
On 03/10/2011 02:10 PM, Josh Blum wrote:

On 03/10/2011 10:58 AM, devin kelly wrote:
Hello,

When using a particular WBX daughtercard I get this message from my script:

Current recv sock buff size: 60000000 bytes
mboard0 MIMO master

Warning:
    Unknown transceiver board ID combination...
    RX dboard ID: WBX (0x0053)
    TX dboard ID: Unknown (0xffff)
This is usually a sign that the board is not mounted correctly. Re-mount
the WBX and try again.

-Josh


He says that he tried it on multiple USRP motherboards, so it's unlikely to be, per se, a mounting issue.  But I'd
 check for a bent pin on the daughtercard connector.




--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org




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