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A detailed discussion of all the available I/O
commands can be found in the Series 60 (Level 6)
Minicomputer Handbook, Order No. AS22.
OPERATOR MAINTENANCE
Operator maintenance includes such preven
tive main tenance as normal checking, cleaning,
operating considerations, etc., performed period
ically on a routine scheduled basis. The purpose
of the maintenance is to keep the console in the
best operating condition, thereby reducing the
possibility of downtime.
The following list is a general guide to opera
tor maintenance:
o Always plug the console into a 3-wire
grounded outlet.
o Ensure that all covers are closed and
secured during operation.
o Avoid leaning or placing objects on any
part of the console.
o Turn power OFF when the device is not in
use.
o No beverage should be on or near the
console.
o No food should be on or near the console.
o Keep outside covers clean and free of
debris.
o Clean and dust, as necessary, the inside
areas accessible to the operator.
CONSOLE SPECIFICATIONS AND CHARAC
TERISTICS
Table 10-2 is a summary of the specifications
and characteristics of the DKU9101 CRT Key
board Console.
INTERCONNECTION/SYSTEM INTERFACE
The CRT Keyboard Console Attachment con
sists of a device controller, console adapter, and a
console compatible peripheral. Figure 10-4 illus
trates the structure of the subsystem and its
relationship to the system.
CRT KEYBOARD CONSOLE
104
The device controller is a microprogrammed
peripheral controller which attaches to the Level
6 Megabus and is capable of supporting up to four
devices via a configurable series of adapters.
Device-specific functionality is provided by the
adapter and certain device-specific firmware in
the device controller.
TABLE 10-2. CRT KEYBOARD CONSOLE
SPECIFICATIONS AND CHARACTERISTICS
Keyboard:
Standard layout; 60 keys
128 ASCII characters.
Keyboard Physical
Dimensions:
17.88in. (45 Al em); Sin.
(20.32cm) deep; 3 in.
(7 .62cm) high.
Device Physical
Dimensions:
lS.12in. (46.02cm) wide;
17.50 in. (44.45 em)
deep; 13.12in. (33.32 em)
high; display and keyboard
depth is 23.75in. (60.32cm)
Display:
960-character screen; 80·
character line; 12 lines to the
image area; 64 upper case
ASCII characters; 5 by 7
character matrix; 54 square
inches of displayable screen
area.
Interface:
60mA or 20mA current loop;
Belll03A modem com
patibility.
Device Interface:
Each CRT keyboard console
requires its own Device-Pac
(KCM9101).
Power Requirements
Primary Power:
120v
±
10% 60
Hz
±
.5
Hz
Optional:
220/240v
±
6% 50
Hz ±
.5
Hz
lEVEL 6 MEGABUS
I
r-J--.
I
1- - - ' - -
..,
I
I
I
1
CENTRAL
MEMORY
1
1
PRoceSSOR
1
I
I
UNiT
I
I
1
~ _ _ _ _ --.J
~-----~
MULTIPLE
DEVICE
CONTROLLER
I
CRT KEYBOARD
CONSOLE ADAPTER
I
I
CRT KEYBOARD
CONSOLE
Figure 10-4. Device Interconnection/System
Interface
AT04
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