Cisco Model DPC3925 8x4 DOCSIS 3.0 with Wireless Residential Gateway with EDVA

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Cisco DPC3925

Download User Guides

Download Licensing and General Information

  • Gateway (DPQ/EPC3925_StIves) (PDF - 332 KB)
  • Open Source Disclaimer for DOCSIS 3.0 Modem Products BIOS (DPC/EPC/DPQ3xxx_BFC1A) (PDF - 605 KB)
    These guides provide instructions for installing and operating the Model DPC3925 and EPC3925 8x4 DOCSIS 3.0 Wireless Residential Gateway with Embedded Digital Voice Adapter. The DPC3925 and EPC3925 wireless residential gateways provide a cost effective solution to combine a cable modem, a router, and a wireless access point into a single device. The target audience includes home subscribers, installers, service providers, and marketing and sales personnel.
Cisco DPC3925


Modems/Gateways Drivers
Driver Download
Vista XP 2000 Series USB Drivers Download
DPW939 Drivers Download
DPW941 Drivers Download
2000 Series USB Drivers
Version 3.2.3
Certified for Windows 2000 and XP
300 Series USB Drivers
Version 3.2.3
Note: This version release has recent USB driver fixes and is being provided "as is" without any warranty.
100 Series USB Drivers
Version 3.2.3
Note: This version release has recent USB driver fixes and is being provided "as is" without any warranty
DPW 700 & DPW 730
802.11b Wireless LAN
Note: This version release addresses compatibility with 802.11g devices and is being provided "as is" without any warranty
Note: You must burn these files to a CD and then install them from the CD. You must also un-install the old software using the old CD.
Complete Scientific Atlanta Cable Modem Installation CD
Version 3.2.4
161 MB Download
Cisco DPC3925

Troubleshooting Tips

If your cable modem does not perform as expected, the following tips may help. If you need further assistance, contact your cable service provider.

  • Verify that the plug to your cable modem AC adapter is properly inserted into an electrical outlet.
  • Verify that your cable modem AC adapter is not plugged into an electrical outlet that is controlled by a wall switch. If a wall switch controls the electrical outlet, make sure the switch is in the ON position.
  • Verify that the Power and Status indicators on the front panel of your cable modem are illuminated.
  • Verify that all cables are properly connected, and that you are using the correct cables.
  • Verify that your cable service is active and that it supports two-way service.
  • If you are using the ethernet connection, verify that your TCP/IP is properly installed and configured.
  • If you are using the USB connection, verify that you have followed the procedure for installing the USB Drivers for Windows 98/SE/ME/2000.
  • Verify that you have called your cable service provider and given them the serial number and MAC address of your cable modem.
  • If you are using a cable signal splitter so that you can connect the cable modem to other devices, remove the splitter and reconnect the cables so that the cable modem is connected directly to the cable input.
  • If your cable modem functions properly connected in this way, the cable signal splitter may be defective and may need to be replaced.