Across the Boards
Communications Device Drivers
Section 5 - General Configuration and Usage Information
Page 182
cfSOFTWARE Confidential,
2000
5.2 Configuring the Telnet TN3270 Drivers (continued)
Configuration of Telnet TN3287 Support
In addition to the TN3270 options described above, the “TN3270 with TN3287” drivers support several
configuration options related to printer support. There is a second MAINCON configuration panel for the
TN3287 driver which contains the additional options.
MAINCON can be used to alter the following behaviors: default print routing, when the printer session connects
to the host, how a failure of the printer session is dealt with, whether or not the operator may specify a specific
printer session to use (rather than the one associated with the operator’s terminal by the host), how print output
is formatted, operation of the local copy functions, and compensation for incorrect host (TN3270 server)
behavior.
See Section 6.27 for additional TN3270/TN3287 configuration options.
TN3287 Operation
In most respects, the presence of the printer session is transparent to the base terminal session. The following
differences exist:
There are six additional “keys” defined which have are processed by the TN3287 session.
DskTN3287_Enter: Start print session (if not connected)
DskTN3287_Test Drop printer session
DskTN3287_Cancel Discard data in print buffers (SCS mode only)
DskTN3287_PA1/2 Send PA1/2 sequence to host (SCS mode only)
DskTN3287_ClosePrint: Close printer output
The PA1, PA2 and Cancel keys replace the switches of the same name usually found on a 3270 printer. The
Enter and Test keys will start and stop the printer session with the host (note that by default the printer session
will automatically be started). The ClosePrint key closes the output file, and will release output for printing in
environments where a print spooler is used (note that the driver automatically closes the print output file when
the host indicates that the print job is complete, but the “EOJ” is not always signaled).
The OIA of the base terminal contains a printer status section, which may contain the following:
P-Off: Printer session disabled by (local) application
P-Err: Printer error occurred
P-Disc: Printer not connected to host (DskTN3287_Enter to start)
P-Fail: Printer tried to connected to host, but failed (DskTN3287_Enter to retry)
P-Conn: Printer connecting to host
P-Rdy: Printer connected to host, waiting for work
P-Busy: Printer busy printing
NOTE
: local copies (both host and operator initiated) do not, by default, require a host connection for the
printer session. Operator initiated local copies require that the printer not be busy (host initiated local copies are
queued if the printer is busy when the request is received).
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