C2G 22391 One-Console KVM Switches - Manual (Page 3)

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Configurations
The KVM Switch has several models each supporting a different
number of computers. For applications with a large number of
computers, KVM Switches can be cascaded in a master/slave
configuration to support even more computers.
Single KVM Switch Configuration
Connect a PS/2 keyboard, a PS/2 mouse and a VGA multi-sync
monitor directly to the Master’s CONSOLE port. Then, connect
multiple sets of keyboard, mouse and monitor cables to the “PC x”
ports of the KVM Switch, as shown in figure 1.
Figure 1: A single KVM Switch configuration
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Cascade (Master/Slave) Configuration
You can connect a second level of one or more KVM Switches to “PC
1”~”PC 4” (KNV104) or "PC 1"~”PC 8” ports (KNV108 & KNV116D) of
a Master unit. Cascade configuration expands system ability
allowing you to select computers connected to the Master or Slaves.
There is only one Master, which has a mouse, a keyboard and a
monitor connected to its CONSOLE port directly operated by a user.
Once connected, KVM Switches automatically configure themselves
to either Master or Slave. Slaves of different models can be mixed
in cascade configuration. [NOTE: Master must have equal or more
PC ports than that of Slaves, i.e., if KNV108 is a master, KNV108 and
KNV104 can be Slaves, but KNV116D can not.]
Figure 2: A cascade KVM Switch configuration
Throughout this manual, Master is the KVM Switch that has a
physical keyboard, mouse and monitor connected to its CONSOLE
port. Slave is a KVM Switch that has its CONSOLE port connected to
a Master's “PC x” port. Slave only exists in cascade configuration.