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Excalibur Multirate DAP Installation and Operation

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The RTS Antistreaming Timer parameter allows you to specify the amount of time, from

1 to 255 seconds, RTS can be active before CTS is turned Off. If one DTE remains in an

RTS active state, this function allows other DTEs running the same application on other

units to continue to operate. When the RTS Antistreaming function is enabled, an

antistreaming alarm is generated when the timer expires. The RTS Antistreaming Timer

parameter is also used by the RTS Mode parameter in the RCP submenu.

The DCD Antistreaming Timer parameter allows you to specify the amount of time, from

1 to 255 seconds, DCD can be active before it is turned Off. This function acts as a

backup to prevent an application from becoming stalled as a result of a missed V.13 DCD

drop code or other similar condition caused by a line hit or a power failure. This function

only operates when V.13 DCD Simulation is enabled. When the DCD Antistreaming

function is enabled, an antistreaming alarm is generated when the timer expires. The

DCD Antistreaming Timer parameter is also used by the DCD Mode parameter in the

RCP submenu.

The DTE Power Fail Timer parameter allows you to specify the amount of time, from 1

to 255 seconds, that Transmit Data can have an invalid level before a DTE change of

state alarm is issued. When this parameter is enabled, a DTE change of state alarm is

issued when the timer expires.

User LED

The User submenu allows you to define a set of conditions that will cause the front panel

User LED to light. You can select all, none, or any combination of the following

conditions:

• An alarm is activated.

• A port is disabled by the Antistreaming function.

• An incoming call message is received.

• The DAP switches to dial backup operation.

To select a condition, follow these steps, starting from the Configuration Mode menu:

1. Press the > button and then press the button beneath User. The screen displays

the User LED submenu. The possible conditions are displayed on the bottom

line. If the condition is preceded by a minus (-) sign, it is currently disabled. If it

is preceded by a plus (+) sign, it is enabled.

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Excalibur 366 Specifiche Pagina 144