Is the host being accessed via a terminal or a terminal emulation program? If so you could read and write the characters to the serial port.

>Turn off the pager via the host PC.
>1. V Enter from the “Function: <” prompt to view an accouunt
>2. C1-0197396/12 Enter from the “Pager ID#: <” prompt to view this customer.
>3. P Enter from the “Function: <” prompt to modify a phone#
>4. 999-555-7777 Enter from the prompt under the “Pager #”
>5. N Enter from the “Change?” prompt
>6. A Enter from the “Delete?” prompt to affirm the deletion
>7. . Enter to return to the “Function: <” prompt
>
>Screen display for the first 3 steps above.
>STEP 1
>_____________________________________
>Function: V<
>
>Pager ID:
>
>Pager # Pager ID#
>_
>STEP 2
>____________________________________
>Function:
>
>Pager ID: C1-0197396/12 <
>
>Pager # Pager ID#
>
>STEP 3
>_____________________________________
>Function: P<
>
>Pager ID:C1-0197396/12
>
>Pager # Pager ID#
>
>STEP 4 …