Arris DG860/TG862 Gateway Troubleshooting

Front View

Arris TG862

Rear View

Arris TG862

Gateway Status Lights

Router Light Description

Power Status Light

  • On: Power is supplied to the device, and the device has completed its initialization.
  • Off: Power is not supplied to the Device.

Downstream Status Light

  • On: The gateway has completed its downstream ranging operation.
  • Blink: Searching for Downstream.

Upstream Status Light

  • On: The gateway has found both downstream and upstream.
  • Blink: Searching for Upstream.
  • Off: Searching for downstream.

Online Status Light

  • On: Configuration of the cable interface by your cable service provider is complete. Ready for Service.
  • Blink: Both downstream and upstream are established, but configuration of cable interface is not yet complete.
  • Off: Configuration of the cable interface is still in progress. The downstream and upstream have not been established yet.

Ethernet Status Light

  • On: A device is detected on the Ethernet port.
  • Blink:Data is being transmitted or received on the Ethernet port.
  • Off:No device is detected on the Ethernet port.

Wifi Status Light

  • On: The wireless access point is operating normally.
  • Blink: Data is being transmitted or received on the wireless interface.
  • Off: The WiFi is disabled.

Secure Status Light

  • Blink:WPS button has been pressed. Search for device to connect to.
  • Off:WPS is not active, press button to activate for 2 minutes.

Connecting with an Ethernet Connection

  1. Connect your computer to the Arris Gateway using an Ethernet Cable. An indicator light on both devices will be lit if the connection is made.
  2. The computer will automatically connect to the Gateway and acquire an IP Address if configured to automatically do so. If the computer does not pull an IP address, you may need to modify the configuration on the computer in order to obtain a connection. Select your operating system to view instructions on how to modify your TCP/IP Settings.
    To modify Settings with Windows
    To modify Settings with MAC OS X

Configure Windows TCP/IP

Follow these steps:

  1. Windows 7 and Vista: Click the Start button, then right-click Network and choose Properties.
    Windows XP: Click the Start button then click Control Panel.

  2. Windows 7: On the left, click Change Adaptor Settings.
    Windows Vista: Under Tasks, click Manage network connections
    Windows XP
    : Click Network and Internet Connections then click Network Connections.

  3. Windows 7 and Vista: Right-click Local Area Connection then click Properties.
    Windows XP: Double-click Local Area Connection then click Properties.

  4. Windows 7: Click Internet Protocol Version 4(TCP/IPv4) then click Properties
    Windows Vista: If the pop-up displays asking for permission, click Continue to open the Local Area Connections Properties window. Then click Internet Protocol Version 4(TCP/IPv4) then click Properties
    Windows XP: Highlight Internet Protocol (TCP/IP) then click Properties.

  5. Under the General tab ensure the following are selected:
    Obtain an IP address automatically
    Obtain DNS server address automatically

  6. Under the Alternate Configuration tab, ensure that the Automatic private IP address option is checked. Click the Advanced button.

  7. Under the IP Settings tab ensure the following:
    That these options are listed: IP addresses and DHCP Enabled
    That nothing is listed under the Default gateways option
    That the Automatic metric option is checked

  8. From the DNS tab, verify the following:
    That the Append primary and connection specific DNS suffixes option is selected
    That the Append parent suffixes of the primary DNS suffix option is checked
    That the Register this connection's addresses in DNS option is checked
    That the Append these DNS suffixes (in order) option is NOT selected

  9. From the WINS tab, verify the following:
    Verify that the WINS addresses box is empty
    Verify that the Enable LMHOSTS lookup option is checked
    Verify that the Default: Use NetBIOS setting from the DHCP server option is selected
  10. Close any open windows by clicking OK.

    Note: Once all windows are closed you will be prompted to restart your computer. Once restarted, your changes should take effect. If not, go back to Local Area Connection, right-click and select Enable.

Configure MAC OS X TCP/IP

Follow these steps:

  1. From the Apple drop-down menu choose System Preferences, or click the System Preferences icon at the bottom of your screen.

  2. Version 10.7: Under Internet & Wireless click Network.
    Earlier versions: Under Internet & Network click Network.

  3. Version 10.7: Click Ethernet
    Earlier versions: Click Built-In Ethernet

  4. From the Configure drop-down menu choose Using DHCP.

  5. Click the Apply button to save your changes.

Connecting with a Wireless Connection

Windows 7 

  1. Click Signal Strenth Icon next to the clock on the start bar.
  2. Choose "ARRIS-XXXX".
  3. Click Connect.
  4. Enter your passphrase. (Information on obtaining or changing your passphrase.)

Windows Vista

  1. Click Start.
  2. Click Connect to.
  3. Choose "ARRIS-XXXX"
  4. Click Connect.
  5. Enter your passphrase. (Information on obtaining or changing your passphrase.)

Windows XP

  1. Click Start
  2. Click Connect to
  3. Click on Wireless Network Connection
  4. Choose "ARRIS-XXXX" and click Connect
  5. Enter your passphrase. (Information on obtaining or changing your passphrase.)


  1. Click Wifi Strenth Icon in the menu bar next to the time clock.
  2. Select and choose "ARRIS-XXXX" from the dropdown list.

Manufacturer Resources

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