RS232 issue with test equipment

I have an E3631A power supply that I am controlling via RS232 and visa rs232 control.
With my labview vi, I can send commands to the device but I cannot get anything back from the device on the read side.
If I use measurement and automation explorer and send the exact same commands to the power supply, I can read the current just fine.
So what is different between the meas and auto explorer sending and receiving or opening of the port and my attached vi?
Attachments:
Untitled_851.vi ‏14 KB

Yes I know.  My original code had it looking at hte property node as the input to the read.  That property node always tells me 0 bytes are on the port.  So I changed the code to a hard coded value just to see if I would get any data back off the bus.
Basically what is happening is everytime I run the vi I send the 2 commands to the supply just fine but nothing comes back.  After the first run, the supply then gives me an error beep because it still detects data that is ready to send back that has not yet been retrieved.
As I said if I use meas and auto explorer this process works just fine.  I can send my 2 commands, and then when I read it gives me the data thats there.

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    Discovery (By Bonjour): Enabled
    802.1X Supplicant: Disabled
    Wireless Network Mode: B/G/N-Mixed
    Wireless Channel: 1, 4, 8, 11
    Wireless Isolation(between SSID) Disabled
    Security Mode: WPA-Personal
    WPA Algorithm: AES
    Key Renewal: 3600
    Serial #: SER141903**
    Serial #: SER141900**
    Serial #: SER141903**
    Serial #: SER141903**
    Other equipment in the setup:
    ASA 5505 firewall
    Cisco Small Business SD208P Switch with PoE
    Thanks for the help.
    Regards,
    Travis

    Did you try the firmware upgrade and reconfiguring the wap4410ns travis?  As a rule of thumb, I always factory reset and reconfigure the device just incase there is any glitches.
    Also are you running all the access points through the unmanaged switch?  If so, try to take it out of the mix and plug directly into the ASA.  Try to eliminate all extra pieces in the mix so you can better understand where the failure is.  Your connecting wirelessly and able to browse, your getting intermittent connectivity.  Also approximately how many users are connecting to the access points at one time?  Try to isolate one wap4410n and a mac and test browsing with it and see what happens.

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