LINKUP 5294 WITH DL5294 FIRMWARE
16
• HPDPP
• HPGEN
• OKIM84
NOTE
Because of a design characteristic of the Genicom
®
and GE3000 printers, the LinkUp
must select a character font at the same time it sets character density (10 cpi vs. 15
cpi). As character fonts are not otherwise selectable in LinkUp, whenever it receives a
Set Character Density command from the System/3X host the LinkUp sets the GEN34,
GEN44, or GE3000 printer to the DP (draft quality) font. If another font is desired, it
must be selected manually and the LinkUp must not be sent an SCD command.
The PRINT printer module does not support Set Line Density or Set Character Density.
For those printer modules which support 15 characters per inch character density, the
LinkUp can be set, through SCS commands, to support 198 column printing regardless
of what line length is configured in the printer LU. The SCS commands can override the
configuration.
Once the appropriate configuration parameter values are defined, the LinkUp can support a printer
by three different connections:
1. When the printer is directly connected to one of its asynchronous ports.
2. When the printer is remotely connected to one of its ports through asynchronous modems.
3. When the printer is sharing one of its ports with a directly or remotely connected terminal, personal
computer, or word processor, through the terminal’s auxiliary port.
Situation #3 is called the Auxiliary Printer facility of the LinkUp 5294. See Figure 3-1 for a diagram
of this facility.
Figure 3-1. Auxiliary Printer Facility.
ASCII TERMINAL
PC, etc
IBM SYS/36
ON
SYS OK DCE
DTE
TXD
RXD
RTS
CTS
DTR
DSR
CD
RI/SYN
TXC
RXC
I/O FLT
CHANNEL ERROR
CH SEL
RESET
DataLynx /5294
TM
ASCII PRINTER
DATALYNX/5294
EIA RS-232C
INTERFACE
EIA RS-232C
INTERFACE
AUXILIARY
PORT
LinkUp 5294