16
®
The ServSwitch CX (with IP) units
support up to sixteen or twenty
four directly connected server
systems, however, this is by no
means the limit. Thanks to an
intelligent communication system,
called Port Direct, many more
server systems can be controlled
by connecting other ServSwitch
CX units. The combination of
units can be arranged up to three
levels deep forming a tree, or
cascade arrangement, with server
systems situated at any level
within that cascade tree.
The maximum number of server
systems that can be controlled
within a cascade installation
depends upon the ServSwitch CX
unit placed at the top level. If the
top level unit is a non-IP version,
a maximum of 512 server systems
can be controlled. However, if the
top level unit is a ServSwitch CX
with IP, the maximum number of
servers drops to 128. This is due
to the extra burden placed on the
unit’s memory of administering
global (IP) users.
CX R
MODEM
/ISDN
POWER
IN
IP
SAM
®
724-746-5500
®
®
724-746-5500
®
SAMSAMSAMSAM
SAMSAMSAMSAM
SAMSAMSAMSAM SAMSAMSAMSAMSAMSAMSAMSAM
ServSwitchCX or ServSwitch CX with IP
ServSwitch CX ServSwitch CX
ServSwitch CX ServSwitch CX ServSwitch CX
Cascade
level 1
User
1User
2User
3User
4
Cascade
level 2
Cascade
level 3
The cascade tree
The diagram shows how multiple ServSwitch CX units can be
cascaded up to three levels. Server systems can be connected at any
level. Up to four users (local, remote or global) can simultaneously
access server systems situated around the cascade tree.
See also
• How cascade connections operate
• Addressing servers in a cascade
• Connecting ServSwitch CX units in
cascade
• Testing specific links to cascaded
servers