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3-10
Installing the Repeater
Setting the Uplink Switch
The uplink switch lets you cascade repeaters by connecting the 16th RJ-45 port
on one 16-port repeater (or the 8th RJ-45 port on one 8-port repeater) to any RJ-
45 port on another repeater without the need for special crossover cables. The
default setting for the switch is MDI-X (Media Dependent Interface-Reversed
that is, standard repeater port). To change the position of the switch, use a
small, slotted screwdriver, or a similar tool, to set the switch to the desired
position.
Uplinkable
"OUT" Port
Figure 3-9. Uplink Switch
CAUTION:
Avoid any large differences in AC grounding potentials between
repeaters in the same stack (for example, interconnected repeaters installed
in different buildings). To guarantee operation of the repeaters, AC power
sources for the repeaters in the stack must meet the AC voltage differential
of 1Vrms or less between chassis ground of any repeater in the stack. Large
differences in grounding potentials can damage the repeaters and create a
safety hazard.
UP LINK
MDI MDI-X
16
UP LINK
COM PORT
MDI MDI-X
Standard
"IN" Repeater Port
(Default)
EXPANSION
IN
OUT
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