Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 69

TWO PORT MUX BOX
Figure 4-13 and table 4-9 illustrate and define the controls on the Two Port
Mux Box.
TABLE 4-9. TWO PORT MUX BOX CONTROLS
I Panel Marking
l
IBAUD RATE
I
SELECTION
IPORT 0,
1
I
l
IPORT OPTIONS
IPORT 0, 1
l
l
l
I
DIAGNOSTIC/
I
NORMAL
l
l
l
l
l
l
Description
I
Rotary
Switch
Rotary
Switch
(key lock)
Toggle
Switch
l
l
l
l
l
l
l
l
I
l
I
l
l
I
l
'
l
l
I
I
I
I
I
I
r
' '
' '
I
'
Function
Selects baud rate of Two Port
Kux ports O, 1 ranging from 110
to 19.2K.
Selects port option of Two Port
Mux ports 0, 1. In DISABLED
position, port is disabled.
In MSG OMLY (message) position,
port is enabled. Remote deadstart
and remote power-up is disabled.
In OS ENABLED position, port is
enabled, remote deadstart is
enabled, and remote power-up is
disabled.
In OS
&
PWR ENABLE
position, port is enabled, and
remote deadstart, and remote
power-up are enabled.
In NORMAL position, computer
remains in normal operation mode.
In DIAGNOSTIC position, sends a
4.096 millisecond pulse to
microprocessor causing a nonmask
interrupt for diagnostic
purposes.
'~~~~~~~~----~~~~~---'-~~~~~~~~~~~~~~~
60469500 A
4-35