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Excalibur Multirate DAP Installation and Operation

5-42

Switch to Dial

This parameter specifies whether the DTR signal must be present for the DAP to switch

communication to the dial backup telephone line.

Automatic Disconnect

This parameter specifies the conditions that cause the DAP to automatically disconnect a

dial backup connection. You can select from the following options:

• No DTR - the DAP disconnects the call after the dial backup port's DTR signal

goes Off.

• None - the DAP disconnects the call when the DCD signal goes Off for longer

than 5 seconds.

Retry Attempts

This parameter specifies the maximum number of times that the DAP will redial a call if

the previous attempt is unsuccessful. The Excalibur Multirate DAP allows you to store

six telephone numbers: one permanent, four alternate, and one temporary. The possible

settings for each phone number range from 0 (retries disabled) through 9. If this

parameter is set to 0 and an automatic dial attempt fails, a Return to Normal (RTN)

function must be performed from the front panel of the local unit before the unit will

automatically dial again. (See "RTN Function" in Chapter 7 for instructions.) From the

CMS system console, a Re-enable Auto Retries, under the Excalibur Dial Restoral

function, must be performed before the unit will automatically dial again.

Dedicated Line Test

This parameter specifies whether the DAP continuously monitors the dedicated line while

it is operating over the dial backup line. The DAP monitors the same conditions that it

uses for DDS Up in the Line Statistics submenu for the selected time interval. It also

monitors for the presence of multiport framing. If the DDS network is up for the

specified time and multiport framing is present, the DAP disconnects the dial backup line

and returns data transmission to the dedicated line.

Line Test Interval

This parameter specifies the duration of the dedicated line test. The possible settings are

5, 10, 15, and 30 minutes.

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Excalibur 366 Spezifikationen Seite 130