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Ipconfig – Measurement Computing IOtech 640 Series User Manual

Page 62

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9-4 Troubleshooting

889093

640 & 650 Series

If the ping command timed out and you are on a LAN with a DHCP Server, check the following:

1. Verify that the Manual IP Setting radio button is selected on the device properties page.

2. Verify the IP Address of the 640e or 650e with your system administrator. Verify the IP

Address is entered correctly in the IP Address field of the device properties page.

3. Have your network administrator verify that your computer is configured properly to use the

DHCP server. Your computer should be configured to automatically get an IP address from
the DHCP server or configured with a static IP address that is compatible with other
computers and devices on the network.

4. Verify the IP settings of the computer using the ipconfig command (see below).

Using the

ipconfig

Command to find the computer’s TCP/IP Settings

You can use the ipconfig command to find the computer’s TCP/IP Settings. This is done as follows:

1. Open the Command Prompt by navigating as follows from the Windows Desktop.

Start Menu

Programs Accessories Command Prompt.

2. Run ‘ipconfig /all’ at the command prompt.

3. Make note of the IP address, subnet mask and DHCP enabled setting.

How to check for the existence of a DHCP Server

1. Open the Control Panel by navigating from the Windows Desktop as follows:

Start Menu

Settings Control Panel.

2. Double-click Network and Dial-up Connections icon.

3. Double-click the Network Connection icon for the network that the 640e or 650e

is connected to.

4. In the Local Area Connection Status box, click on the button.

The Local Area Connection Properties box will appear.

5. Double-click the “Internet Protocol (TCP/IP)” component.

The Internet Protocol (TCP/IP) Properties box will appear.

6. Verify that the “Obtain an IP address automatically” radio button is selected.

7. Get the computer IP configuration settings using the ipconfig command.

8. Verify the DHCP Enabled value in the ipconfig output is set to “yes.”

9. Check the output of the ipconfig command for Lease Obtained and Lease

Expired lines. The presence of these lines indicates that there is a DHCP server on the
network. If this is the case, notify your network administrator and follow the instructions in
your network device documentation. The instructions should have a heading to the effect of:
Configuring a Device on a LAN with a DHCP Server.