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NTI NODEMUX SERIES UNIVERSAL KVM SWITCH
22
FYI: If switches are cascaded (such as that illustrated in Fig. 14 on page 10), it will be necessary to make note of which
port each CPU is connected to on each slave KVM switch and which port each slave KVM switch is connected to on the
master KVM switch.
• The ports on the slave connected to the port 1 port on the master would be numbered 01-04 with multiple
ST-4U’s, the ports on the slave connected to port 2 would be numbered 05-08 (with multiple ST-8U's they
would be 01-08, and 09-16, etc.)
• A connection to the CPUs from the keyboard would be achieved by typing the appropriate port number. (See
Fig. 23 on page 21.)
• When cascading, if not all of the ports are used on each slave attached to your system, THE PORT NUMBER(S)
ASSOCIATED WITH THE UNUSED PORT(S) WILL NOT BE ACCESSIBLE when trying to control the switches
connected to the system. (I.e. if ports 7 and 8 are not used on the first slave and an attempt is made to
connect to ports 7 or 8 while in Command Mode, the NODEMUX will ignore the attempt. )
Scan Mode
When in Scan Mode the switch scans to each port with a CPU powered-ON. (The SCAN LED on the front panel will illuminate and
remain ON while in Scan Mode.) The port with the CPU powered-ON remains active while in use. When the switch becomes idle
for the configured time-out period (default time-out period is 5 seconds) the switch will connect to the next powered-ON CPU port.
See Command Mode section above for configuring the scan time-out period.
NOTE: The keyboard and mouse must remain idle for the full scan time-out period before the switch will connect to the
next active port.
Broadcast Mode
(use with extreme caution or commands intended for one CPU will be sent to all CPUs)
Broadcast Mode allows the operator to send keystrokes to all active CPUs simultaneously (even those CPUs the user cannot
connect to due to lack of security access ). Broadcast Mode is indicated by the illumination of the BROADCAST LED on the front
panel. The BROADCAST LED will remain ON while in Broadcast Mode. However, Broadcast Mode has some critical
requirements:
• BROADCAST LED must be OFF when booting any attached CPUs.
• BROADCAST LED must be ON and COMMAND LED must be OFF for keystrokes to reach attached CPUs.
Broadcast Mode is not supported by any ports that have MAC CPUs attached.
Normal Mode
When all of the NODEMUX mode LEDs are OFF the user is in Normal Mode, controlling the CPU to which the user is connected
through the NODEMUX.
Edit Mode
Edit Mode allows the user to modify the names of the CPUs connected to the switch. Names of CPUs can be up to 12 characters
in length. When in Edit Mode, multiple keystroke combinations are not valid (<SHIFT>+<P>, <CTRL>+<P>, <ALT>+ <P>, and
<P> will all type a “P” to the display - lower case letters cannot be typed). After changes have been made the user will be
prompted by the menu to save the changes. Answer "Y" to save changes and answer "N" to continue using previously entered
port names.
Function: Keystroke:
Move cursor one position
to the right
Move cursor one position
to the left
Previous port
Next port
Selects the first port on
the switch
Figure 24- Edit Mode
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