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# Advanced PU Functions

  The Primary destination and DLCI (eVR) are defined through the PU dialog.

Alternate Destination

Alternate Destination Name

Alternate DLCI (aVR)

Backup Port

Configure Internal Routes

Enable Dial Backup

Full Duplex

Map incoming calls to this auxiliary internal MAC address

Parallel DLCI (pVR)

Primary Destination Name

Traffic Priority

Use Dynamic Routing

  Note: Depending upon your product type, this dialog may vary. This help context covers all possible configuration parameters. If your dialog does not contain certain parameters, they don't apply to the product you are configuring.

Parallel DLCI (pVR)

  This is the DLCI that will be tried if the primary DLCI fails or becomes congested.
  Range: 16 -- 1023

Alternate DLCI (aVR)

  This is the alternate DLCI that should be tried if the primary and parallel DLCIs fail. This virtual route can go to an alternate destination, or the same destination as the primary and parallel routes.
  Range: 16 -- 1023

Alternate Destination

  This destination may be the same as the primary destination, or different. If the primary destination becomes unreachable, this alternate destination will be contacted.
  Range: Any destination available from the pull-down list.

Use Dynamic Routing

  If enabled, the unit issues an all-routes broadcast when all deterministic routes are down. This enables the unit to find an available route even though all three routes (eVR, pVR, and aVR) are down.
  Range: Enabled or Disabled

Full Duplex

  Enable this feature if you want the unit to operate in full-duplex mode.
  Range: Enabled or Disabled

Traffic Priority

  This field enables you to define a traffic priority override for the PU. This value overrides the global traffic priority settings.
  Range: Default, Low, Medium, High, or Urgent

Enable Dial Backup

  Enable this feature if you want to include the PU's traffic on the dial backup connection.
  Range: Enabled or Disabled

Backup Port

  Click inside this field to select the port configured for dial backup.
  Range: 1 -- 8

Primary Destination Name

  Click on this button to select the destination for the dial backup connection.
  Range: Any name available in the pull-down list

Alternate Destination Name

  Click on this button to select an alternate destination that should be contacted if the primary destination is unreachable.
  Range: Any name available in the pull-down list

Map incoming calls to this auxiliary internal MAC address

  This field is only enabled when the unit is set to answer the PU's incoming call. Calls from the selected PU will only be answered if it comes in on the route you specify in this field. If the call comes in on another route, it will be ignored.
  The IMA number corresponds to the internal route's ID. For instance, route ID 2 will display as IMA2 [MAC address].
  If no routes appear in the drop-down box, you have not defined any auxiliary internal routes for the unit you are configuring. Click on the Internal Addrs button to configure the unit's internal routes.