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Error 678 with Ethernet Modem for Speedstream 5260 and 5360  

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Error 678 with Ethernet Modem for SpeedStream 5260 and 5360
 
As with any timeout sort of error, this problem may be caused by a hardware or software misconfiguration on your computer, or by a line related problem (i.e., router build, excess capacity occupation, etc.)  Basic troubleshooting will include:
 
  1. Make sure that the drivers for the Ethernet adapter that the modem is using are properly installed and enabled in device manager.

  1. Check that the link/enet light is on.

  1. If there is more than one Ethernet adapter in the PC, you may try:
    1. Disabling the one that is not being used, and make sure the modem is plugged into the correct card.
    2. Changing the media access type on the Ethernet card to "10 base T", or "10 megabit half duplex".

Note: If Windows XP detects the D-Link card as a Realtek, or the Kingston card as a light-on adapter, it is identifying the adapter based on the chipset, and should still function. Normally our service should function with most 3rd party NIC’s, but if everything else seems perfect and the customer is still timing out, install our card.
 
  1. Make sure the NIC appears in the Network Connections window as a local area connection with a TCP/IP binding. Excess protocols such as IPX/SPX, Netbui, internet connection sharing (O), and virtual private networking (VPN) can cause connection problems. Make sure that none of these are bound to the adapter.

  1. Check TCP/IP settings such as Obtain IP Address Automatically. You may also try right-clicking on the appropriate local area connection and selecting Repair.

  1. Power cycle the modem for a full minute. Ethernet modems are problematic for locking up their communication with the DSLAM. Powering down the modem for 1 min. gives the DSLAM time to reset itself.

  1. Make sure the modem has sync.

  1. Make sure that there is an appropriate router build, and try an end to end ATM ping. If you are not an RT order, do a port check in the circuit manager and check that there is not excessive downstream capacity occupation (anything over 90% can cause connection problems and inconsistent sync.)

  1. You may try forcing windows to use the correct network adapter for its connection by running the Windows XP Network Setup Wizard.  The Network Setup Wizard may be found by clicking Start>>All Programs>>Accessories>>Communications>>Network Setup Wizard.

After you are sure that everything is connected and configured properly, and there are no line/network issues, you may try using the NETSH command to reset the TCP parameters. Open an MSDOS window and type the following including spaces: netsh interface ip reset log.txt




Created On: 12/17/2004 6:10:00 AM
Last Modified On: 6/22/2005 6:42:00 PM
Article ID: 10348
Viewed 4,495 times
 

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