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USING THE NTI SWITCH
The switch can be operated by the front control panel or by keyboard control.
Front Panel Control
1.
Pressing the touch switch on the front panel will toggle between CPU 1 and CPU 2 and connect the selected CPU to the
keyboard, monitor and mouse.
2.
Holding down the "CPU SELECT" button for more than 2 seconds will cause the switch to cycle through 3 extended modes of
operation: SCAN, BROADCAST, and COMMAND (see below for Command, Scan and Broadcast Mode sections). Release
the button when the desired mode has been selected.
Keyboard Control
In order to control the switch with the keyboard, COMMAND Mode must be enabled. To enter/exit COMMAND Mode from the
keyboard:
Command Mode
When the COMMAND Mode is ON, all 3 status LEDs on the keyboard will illuminate to indicate that COMMAND Mode is enabled
and the following functions are available:
Function:
Keystroke:
Increment Port
Decrement Port
Toggle "SCAN" Mode
ON and OFF
Toggle "BROADCAST"
Mode ON and OFF
Sets scan time-out
period for each port.
Selects a specific
port
Exit COMMAND Mode
SCAN Mode
SCAN Mode is indicated by a flashing CPU port LED. The switch scans to either port with a CPU powered-ON. That port remains
active for the configured dwell time (default time is 5 seconds) before switching to the other powered-ON CPU port. See
COMMAND MODE Section for configuring the scan dwell time.
NOTE: The keyboard and mouse must remain idle for the full SCAN dwell time before the switch selects the other port.
Press
Ctrl
(NOTE: The user must exit COMMAND Mode in order to type to a CPU.)
I or
(move to next higher port)
D or
(move to next lower port)
S
B
(0-2)
T -
-
x
P -
0
-
or
Ctrl
Esc
CPU 1 CPU 2
(ACCENT
+
~
KEY)
`
`
KEY SYMBOLS LEGEND:
or
PRESS EITHER KEY
CHORDED SEQUENCE- PRESS CONSECUTIVELY
+
AND KEEP KEYS PRESSED UNTIL ALL ARE PRESSED.
-
PRESS CONSECUTIVELY
(xxx from 002 to 255. ie. t 002
(0-9)
(0-9)
-
would set the time-out period
x
x
for 2 seconds)
x
(P0x would be P01 or P02)
(ACCENT
+
~
KEY)
`
A flashing CPU LED means
that CPU is being scanned
and is active.
5
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