TCP/IP VISA RESOURCE (connection to the LAN) vs USB?
I wonder if I should increase the number of USB ports, I have on my workstation or add a USB hub, or TCP/IP Lan connections can be as fast as USB connections? The first time, it seems that when you use the local network connected insturment that the answer is much slower when it is USB connected, but my workstation has sufficient TCP/IP and not enough connections USB ports.
Thank you
Kellen
Personally, I have no trust USB. I had too many problems with it. Cables randomly edge. Cables move around and that is why it is 'new '. In a dedicated test rack that just sits there, it's probably fine. But you should definitely use a good powered external hub.
But I prefer to go on the road to LAN, especially if you have LXI compliant instruments. There is just something about the connection to your device via a web browser to make sure it's working properly. And all you need is a good Ethernet hub and you can connect to a ton of instruments. If you're not going this way, have the instruments on their own small network with fixed IP addresses. It will make your life much easier. If you need the computer on a corporate network, it is fine. Just make sure you have 2 Ethernet ports.
Yes, USB has a lower latency. When the flow of data, LAN can play catch-up (at least with Gigabit). There are advantages and disadvantages to both options.
Tags: NI Software
Similar Questions
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My works wireless, but my connection to the LAN does not work?
I have a Toshiba L305-S5917 laptop and my connection to the LAN does not at all, when I plug my CAT 5 cable into the slot not strikes is the lights. IM able to use my wireless works fine. All this happened when my laptop crashed due to a virus. I reloaded all windows from XP to Windows 7 and also bought Numbus disk driver and recovery for my model laptop and still no connection to the LAN... pls help.
Hello
Sorry I'm not quite clear about the situation.
You posted on the Vista Forum; you have loaded Win XP and you running Windows 7?
If the computer is currently running on Windows 7, newspaper to the support site for Toshiba laptop, download Windows 7 drivers for the wireless network card and install them.
In general.
Check the Device Manager for the entry of valid card of the wire.
http://www.ezlan.NET/Win7/net_dm.jpg
If there is no valid entry, remove any entry from fake and re - install the drivers for the wireless card.
----------------------------------
Try installing the latest drivers from the card manufacturer support page.
Download the drivers and extract them to a folder of your choice.
In Device Manager, right-click on the adapter.
Click Update drivers and choose her browse my computer for drivers.
Choose let me a list of choices, click on disk and point to the folder with the drivers.
-------------------------------------Check network connections to make sure that you have a Local Area Connection icon/entry, and that the properties of the icon (right-click on the icon) are correctly configured with the TCP/IPv4 protocol in the properties of network connections.
http://www.ezlan.NET/Win7/net_connection_tcp.jpg
Connect you to the menu of the router from a work computer and make sure DHCP is on, and it is configured to assign IPs which can cover the number of computers that are connected (a bit more will be even better).
Turn off the computer and the router, reset the router and the computer.
Right-click on the wireless network connection card, select status, details and see if she got an IP address and the rest of the settings.
On the State of intellectual property.
TCP/IP and its variables usually look like this.
Right-click on the wireless network connection card, select status, details and see if she got an IP address and the rest of the settings.
Typical TCP/IP status looks like this.
http://www.ezlan.NET/Win7/status-NIC.jpg
Description is the data of the card making.
Physical address is the MAC of the card number.The xx must be a number between 0 and 255 (all xx even number).
YY should be between 0 and 255
ZZ should be between 0 and 255 (zz all the same number.)
The date of the lease must be valid at the present time.
* Note 1. IP that starts with 169.xxx.xxx.xxx isn't valid functional IP.* Note 2 There could be an IPv6 entries too. However, they are not functional for Internet or LAN traffic. They are necessary for Win 7 homegroup special configuration.
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Also, make sure that the software firewall on each computer allows free local traffic. If you use 3rd party Firewall on, Vista/XP Firewall Native should be disabled, and the active firewall has adjusted to your network numbers IP on what is sometimes called the Zone of confidence (see part 3 firewall instructions
General example, http://www.ezlan.net/faq.html#trusted
Please note that some 3rd party software firewall continue to block aspects of the Local traffic even it they are off (off) . If possible, configure the firewall correctly or completely uninstall to allow a clean flow of local network traffic. If the 3rd party software is uninstalled, or disables, make sure Windows native firewall is active .
Jack - Microsoft MVP, Windows networking. WWW.EZLAN.NET
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I appreciate any response.Thank you
I'm a bit confused now. What you mean with connection to the LAN working correctly from the beginning? What is started for you?
I can't believe that you declare on that now, two years later. Have you already tried to install recovery image and test it with the factory settings? -
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Hello
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Apparently these are the commands that allow a cell phone from a PC of Girardon. Y ' there way to use a hyperterminal type program pay to try their hand and then be able to use the VISA features in labview? Pour the moment, I don't see how start. Ports of HyperTerminal manages the communication with RS232 type but comment Girardon the USB Installer takes it a soft pour mobile phone USB connection behaves as a virtual RS232 port?
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My but is send an alert by such pour a data acquisition application that runs on a computer laptop not connect a network of the United Nations.
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Finally, it runs. When the telephone connection after installing nokia pc suite and a usb cable, the phone appears like adding a virtual COM and another element: "Nokia 6680 usb modem cable. Select the line corresponding to the additional virtual COM port, in my case, it appears as "COM17. Configuration is easy: choose transmission speed (bps 9800 or else up to 115200bps, apparently the phone can detect the selected speed of the rate), 8 data only bits, no parity, no flow control. Then you can send orders to:
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then tape the message to send, followed by Ctrl-Z (ASCII code: 0x1A)
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EPC2203 modem cannot connect to the Mac via USB?
I searched all threads and you can't find something to solve my problem.
My ISP sold me the modem Scientific Atlanta EPC2203 cable recently. I can't connect it to my Mac (10.5.7) via ethernet no problem at all. But I can't get a connection via a USB port. The modem operating manual mentions for Mac OS X USB connectivity, but does mention all the details on how to establish the connection: we talk about the installation of PC drivers. Supplied with the modem installation CD only applies to the PC, it seems that I have to take extra steps such as installing a Mac driver? I couldn't find the Mac drivers adapted on internet, then I start to think that this modem is not simply done to connect to the Mac via USB?
Any help is very appreciated.
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ampawase wrote:
Help on unit Photos and videos not Visible when connected to the PC via USB. I also tried to restart and reinsert the SD card but no response what happens each time I take pictures and try to transfer to the pc via USB please help to recover the photos suggest something?"A wireless connection with the mixture, use the file manager, hold Media Card - Photos - 'Shift' or ' Ctrl ' key - select thumbnails - right-click - Save slot - selecting a folder on the pc and save them.
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I develop application on blackberry with phonegap.
I want to hear event when the BlackBerry device is connected to the PC by USB MODE or sync.
I saw mediagallery and applications Filemanager showing the dialogue that the application cannot be used when connected to the PC in USB mode.
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Maybe another DNS server is used or there is still cached data.
Have you tried a hard facing to bypass the cache to refresh all files?
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- Press 'Command + shift + R' (Mac)
You can also try to switch to work offline/off voltage after changing the network connection.
If is also possible that your firewall treats the Wi - fi connection other than the connection to the local network.
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My laptop is Toshiba Satellite U300 proPost edited by: marto_noa
Unplug the cable LAN and switch ON the WLan.
Usually the laptop would use the LAN connection if LAN cable is connected and LAN is active. -
Toshiba NB550-111 - no connection if the LAN cable is more than 2 metres
Hello
My newly purchased Toshiba NB550-111(Windows 7 Starter Service Pack 1) has problems with the LAN card.
If the LAN cable is more than 2 meters, no relation to Allied Telesyn switch (no indicator led on the switch, 2 other desktop computers already connected). I tried not to connect in a different port (one used previously by one of desktop computers), no connection. I tried with 3 cables, still no results.Cables (cat5E, so important) have been tested OK before with a cable Tester, and I use both of them without any problem with another 2 desktop computers at home. I set another cable (5 m long, newly purchased) and tested for connectivity. It works very well with the other two offices, no results with the netbook. I tried with adapter it works, I disabled ' energy efficient ethernet "NIC, still no connection properties page. It only connects if the cable is less than 2 meters. I tried to connect the netbook directly to the DSL router, still no connection with a longer cable.
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Hi, can anyone help?
Can I find somewhere the LAN card firmware update? When I connect to my laptop with a built-in LAN card cable it breaks down, if it s connected the wireless, everything is ok, no crashes.It only happens once, after reboot ok, until the next stop and wake up. It s annoying.
Have you tried to reinstall the card LAN and LAN driver?
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Portege R500 hangs / pauses during the connection through the LAN
My Portege R500 is like that: when all using WIFI or 3G works fine but I would use LAN for best performance when he's at the office. As soon as the LAN cable is connected the machine starts making strange breaks for 1 to 2 seconds and I want to say break total, even the mouse pointer freezes on the screen. This happens every 5 to 10 seconds and stops immediately when you unplug the LAN.
Someone at - it solution or an explanation for that? Hardware error? I have all the latest drivers from Toshiba, even the latest firmware for both the computer and the built-in 3G modem. No strange software or bad - one abnormal behavior is used, antivirus is Trend OfficeScan and standard Windows Firewall is used.
Thanks in advance.
/ Magnus
You can test at home or elsewhere? It will be interesting if the same thing will happen if you connect your laptop to the router at home.
Have you talked about this with your local administrator?
What you can try is to update BIOS to see if this will change anything. -
Problems with the VISA series connection (missed the ticks in the data)
Hello
I designed a DAQ card with USB connection. The USB connection works in virtual Com Port mode.
The main vi a while loop. The sampling time is defined by the user and the hand while loop iterates of this time of the sample (for example, 5ms, 10ms or...). Communication of the data is made in the present while loop using VISA read or write tools. Data are stored in global variables so the other could read or change.
There are screws separate for each part of the DAQ card input analog, digital output and... Each vi has its own time while in a loop which iteration step may be different from the large loop.
The program works correctly, but there are a lot of ticks of "rate" in the communication of data. I've attached a screenshot of input analog vi. A sine wave is produced with output analog vi and this output is connected to an analog input. As you can see the data transmission has problems.
This caused several loops work simultaneously? Or communication VISA has problems?
Thanks in advance.
The main problem I see with your VI is that you use bytes to the Port which is the wrong thing to use about 99% of the time. It seems that you are trying to break around 31 bytes and turn them into numbers. Suppose that at the moment, you check the bytes, a port, you have received only 28 of these bytes. Some of the variables will find 0 because you have all the data. But on the next play, you will have the remaining 3 bytes so everything from the. Now your data package is misaligned.
I suggest that if you want 31 pieces of information, you just put a constant 31 reading VISA and get rid of bytes to node Port.
Other advice. Index table is EXPANDABLE! You don't need to create 31 copies of the index table and wire a constant to each of them. Remove a node, and expand the bottom border down that you need. You don't even have to add all the constants, because by default it will give you index 0, index 1, index 2...
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I need help in creating a connection to the LAN in my network connections.
I recently performed a clean installation of XP Pro and I am unable to connect to the Internet. In my network connections, I have only the 1394 connection, but no connection to the local network.
I've also included five devices problem identified by the Device Manager which are be annoying because no driver seems to be responsible.
Problem of devices in Device Manager:
1 Ethernet Controller PCI VEN_8086 & DEV_1050 & SUBSYS_815C104D & REV_024 & 2E98101C & 0 & 40F0
The drivers for this device are not installed.
2. multimedia Audio Controller r PCI VEN_8086 & DEV_24D5 & SUBSYS_815B104D & REV_023 & 267A616A & 0 & FD
The drivers for this device are not installed.
3. network controller PCI\VEN_1814 & DEV_0201 & SUBSYS_00321737 & REV_014 & 2E98101C & 0 & 50F0
The drivers for this device are not installed.
4. Modem PCI PCI VEN_8086 & DEV_24D6 & SUBSYS_8128104D & REV_023 & 267A616A & 0 & FE
The drivers for this device are not installed.5 series
ROOT\LEGACY_SERIAL\0000
This device is disabled.I have a Sony VAIO Modem Lite-on CNR model - 002 # / A18 and tries to pick up a signal from my router AirLink Wireless Lan and Port wide band a few feet skinny feet away.
I've already lost most of the day diddling with half a dozen pilot search utilities that are imposed to the be me these sites with databases of driver. I managed to make no progress whatsoever other than to download several useless versions of .net software framework (required by these programs of research of sadistic driver update!
My hardware should not be a problem because the system was functional in terms of access to the Internet only a few days ago.
Can anyone offer suggestions that could help me solve this puzzle?
RangerDude
There is no LAN or wireless connections because the drivers are not installed for Ethernet controller and network controller.
If your computer came with a disk of driver installation, use it to install the drivers. If it does not, use a different computer to access the web site of your computer manufacturer and download Windows XP drivers for your computer model. Then transfer them to your computer and install them.
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Tunnel adapter connections to the LAN gone wild on Windows 7
On my windows machine 7, ipconfig shows many tunnel adapters (some listed below).
I disabled ipv6, netsh cmds attempted to disable the router isatap etc and restarted... but it does not help.
Is there a reliable way to eliminate these tunnel adapters appears in ipconfig?
Thank you
Parag
Card tunnel Local Area Connection * 50:
State of the media...: Media disconnected
The connection-specific DNS suffix. :
... Description: 42 Microsoft 6to4 card #.
Physical address.... : 00-00-00-00-00-00-00-E0
DHCP active...: No.
Autoconfiguration enabled...: YesCard tunnel Local Area Connection * 51:
State of the media...: Media disconnected
The connection-specific DNS suffix. :
... Description: 43 Microsoft 6to4 card #.
Physical address.... : 00-00-00-00-00-00-00-E0
DHCP active...: No.
Autoconfiguration enabled...: YesCard tunnel Local Area Connection * 52:
State of the media...: Media disconnected
The connection-specific DNS suffix. :
... Description: 44 Microsoft 6to4 card #.
Physical address.... : 00-00-00-00-00-00-00-E0
DHCP active...: No.
Autoconfiguration enabled...: YesCard tunnel Local Area Connection * 53:
State of the media...: Media disconnected
The connection-specific DNS suffix. :
... Description: 45 Microsoft 6to4 card #.
Physical address.... : 00-00-00-00-00-00-00-E0
DHCP active...: No.
Autoconfiguration enabled...: YesCard tunnel Local Area Connection * 54:
State of the media...: Media disconnected
The connection-specific DNS suffix. :
... Description: 46 Microsoft 6to4 card #.
Physical address.... : 00-00-00-00-00-00-00-E0
DHCP active...: No.
Autoconfiguration enabled...: YesHi Parag Blangy,
. The computer is connected to the domain?
I suggest that you follow the steps proposed by Nicholas Li from the link below:
Thank you, and in what concerns:
Swathi B - Microsoft technical support.Visit our Microsoft answers feedback Forum and let us know what you think.
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