3Com SuperStack 3870 Panduan Instalasi

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Halaman Cetak
SuperStack
(3C17463)
Installation Guide
Introducing the Resilient Stacking Cable
The Resilient Stacking Cable enables you to stack together
two switches, up to sixteen rack units apart. You can stack
any combination of 3870 24 and 48 port switches, up to a
maximum of eight units.
The Stacking Cable is 130 cm (51.2 in.) long and marked
with a yellow label for the Up and a blue label for the
Down D-Type connectors.
Only one switch in the stack can operate as the master
switch, all other switches operate in slave mode. If more
than one switch in the stack is selected as the master, or if
no switches are selected, the stack will not operate.
Figure 1 The Resilient Stacking Cable
Up Connector (Yellow Label)
Securing Screws
®
3 Switch 3870 Resilient Stacking Cable
Down Connector (Blue Label)
Installing the Stacking Cable
Connect the Stacking Cable as shown in Figure 2.
Always secure the Stacking Cable to the device by tighten-
ing its securing screws.
!
CAUTION: If a Resilient Stacking Cable is not fitted then dis-
connecting a Stacking Cable (when the stack is in use) will
!
break the flow of data.
Figure 2 Connecting Switches in a Stack
D O W
N
U P
D O W
N
U P
D O W
N
U P
D O W
N
U P