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DESCRIPTION AND OPERATION
IIOIS12 FUNCTIONAL OPERATION
2 - 2
I-E96-107-2N
®
to the serial card through an RS-232-C serial link. The proces-
sor reads and processes keyboard data from the serial card. A
cable connects the MKM to the serial card.
The graphics card sends video signals to the CRT. A cable con-
nects the graphics card to the “video in” connector on the back
of the CRT.
Refer to
for more information on multibus modules,
computer cards and OIS hardware.
Refer to
for more information on computer cards and
OIC hardware.
Figure 2-1. IIOIS12 Block Diagram
OIC12
OR
REDUNDANT MASTER OIS12
PC CHASSIS
OPTICAL DISK
(OPTIONAL)
ADP
DRIVE
FLOPPY DISK
EXTERNAL
LPT1 PRINTER
"AT" KEYBOARD
SCSI CONTROLLER
HARD DISK
SCSI
IIMKM01
KEYBOARD
CRT
GRAPHICS CARD
AT BUS
CPU (80586) (min.)
AT BUS
SERIAL CARD
RS232
IIMCP01
EXPANDER BUS
IIMLM01
RIBBON CABLE
IIMCL01
PLANT LOOP OR INFI-NET
NIU
MOUSE
NETWORK CARD
Note 1
Note 1: 5.0 Release Only
GS940121