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SERVSWITCH™
5.2.4 C
ONFIGURE
S
YSTEM
: E
XPANSION
U
NITS
This setting corresponds to the number of “submaster” (expansion) Serv units that
are connected to the main master ServSwitch. It helps to determine which CPU
number is associated with which physical connector. If you aren’t cascading, this
number should be set to zero. If one submaster is connected, the value should be
set to one, and so on.
To change this setting, press [Enter] while “Expansion units” is highlighted. An
“Input new value” box appears. Use the shared keyboard’s number keys to input a
new value from 0 to 16 and hit [Enter]. The input box disappears and the new
setting appears in the “Expansion units” field. (The factory-default value is zero.)
5.2.5 C
ONFIGURE
S
YSTEM
: E
XPANSION
W
IDTH
This setting correpsonds to the number of CPU ports that each submaster attached
to a ServSwitch master has. It helps to determine which CPU number is associated
with which physical connector. For example, if you are using four-port submasters,
then the expansion width should be set to four. (Do not use submasters that have
different numbers of CPU ports—both 4-port and 8-port submasters, for
example—because this will cause switching and scanning problems.)
To change this setting, press [Enter] while “Expansion width” is highlighted. An
“Input new value” box appears. Use the shared keyboard’s number keys to input a
new value from 1 to 16 and hit [Enter]. The input box disappears and the new
setting appears in the “Expansion width” field.
An example: Suppose your system consists of 32 computers that you’d like to
cluster in four groups of eight. You connect each group to an 8-port submaster,
and each of the four submasters to an 8-port master. You would then set maximum
computers to 32, expansion units to four, and expansion width to eight. If at some
point you connected four more computers to the four extra CPU ports on the
master, units and width would not change, but you would set maximum computers
to 36.
The factory-default value for this option is 16.