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RPSD Key Use
When the RPSD system is working correctly, Key use and authentication should be almost
invisible to the RPSD Key user. The user dials the RMATS channel from the user’s terminal,
authentication takes place (during which time the LEDs on the front panel of the RPSD Key
indicate the status of the call), and the RPSD Key user is corrected to the RMATS channel.
When access is successful, status messages like the following appear on the RPSD Key user’s
administration terminal (connected to via the RPSD Key Aux. Port):
07/12/90 13:58:27 Calling Out
07/12/90 13:58:37 Dialing Complete
07/12/90 13:59:07 Authentication Complete
07/12/90 14:05:41 AT&T RPSD/Key - V1.1 - Idle
However, access attempts may not always be successful. In such a case, the Key user can obtain
an explanation for the failure in one of two ways:
■
a status message on the RPSD Key user’s terminal that is sent by the RPSD Lock
■
the Last Call Status Test
In the case of a status message sent to the Key user’s terminal, the message is sent automatically.
The Last Call Status Test is explained in detail in this chapter in the section titled Last Call
Status Test.
RPSD Key Use
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