Asynchronous Terminals and Printer Processes Programming Manual

PRINTER I/O
Line-Configuration Characteristics
SERIALPRINTPROCESS and CSSPRINT running on an LIU1 support 3600
baud operation; CSSPRINT on an LIU4 does not.
Communication speed is set at SYSGEN time. You can change the
SYSGEN default with SETMODE 22. For ATP6100 subdevices, you can
change the default by including the SPEED attribute in the CMI
ALTER SU command.
Character Size
The number of bits that make up each character depends on several
characteristics. The number of data bits can be 7 or 8. Use
SYSGEN, SETMODE, or CMI to select the number of data bits.
The STOPBITS1, STOPBITS15, and STOPBITS2 modifiers specify 1,
1.5, and 2 stop bits, respectively. CSSPRINT recognizes all
three STOPBITS modifiers. For ATP6100 subdevices, you can change
the SYSGEN default by including the STOPBITS attribute in a CMI
ALTER SU command.
The parity generation SYSGEN modifiers (ODD, EVEN, or NONE)
specify whether the system uses odd, even, or no parity with
data it sends to the printer. You can change the SYSGEN default
with a SETMODE 24 call. For ATP6100 subdevices, you can change
the default by including the PARITY attribute in a CMI ALTER SU
command.
Connection Type
The HARD SYSGEN modifier indicates that the device is connected
directly (hard-wired) to the host communication channel. The
MODEM modifier indicates that the device is connected to the host
through a modem. The EIA modifier indicates that the device
is connected through an RS-232 interface. This modifier can be
used with either hard-wired or modem-attached devices. The CL
modifier indicates that the device is connected through a 20-ma
current loop interface. This modifier can be used only for
hardwired devices.
For ATP6100 devices, you can change the SYSGEN default values
for the connection-type modifiers by including the MODEM and
INTERFACE attributes in a CMI ALTER SU command.
November 1987 5-11