The port select sequence may be sent as a separate ASCII file preceding the print job, via DOS batch files, as part of a printer initialization string, or by using the utility software.
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A print job starts when the Model 24SII DES receives 3 or more characters from a computer.
In Port Select Mode A (printer selection anytime), a print job is ended when no characters are received by the Model 24SII DES from the computer for the specified input inactivity timeout period or when the computer sends a manual disconnect sequence.
In Port Select Mode A, when the Input Inactivity Timeout is set to 0 (zero) seconds, a print job is ended only under the following conditions:
1)Manual Disconnect: Port Select Code followed by a terminating character (Enter/Return or Line Feed).
2)Clear Buffer Command: Port Select Code followed by CLR and a terminating character (see Section 7.1.6).
3)Sending another Port Select Sequence: Port Select Code followed by a module number, a port number, and a terminating character. This will also start the next print job.