Attaching a Redundant Power System 25
Attaching a
Redundant Power
System
You can attach your SuperStack II bridge/router to a SuperStack II
Redundant Power System (RPS).
For full power supply redundancy, attach one end of the RPS cable to the
rear panel on the bridge/router and the other end to the RPS. Then attach
one end of the power cord to the rear panel on the bridge/router and the
other end to a power outlet.
In this configuration, the internal supply provides power. If the internal
supply fails or is switched off, or if there is a power failure, the RPS is
activated and the bridge/router reboots.
To reset a bridge/router in this configuration, turn the power off, wait 5
seconds and turn it back on. The bridge/router switches to the RPS, then
switches back to the internal supply to reboot.
CAUTION: For system susceptibility protection, always leave the AC cord
attached to the bridge/router and to a power outlet.
Internal power supply failure is rare. If it occurs, the power switch on your
bridge/router will not operate. To reboot, unplug the RPS cable and then
plug it back in. Replace your bridge/router with another bridge/router
that has a functioning internal power supply as soon as possible. Contact
your 3Com representative to replace your bridge/router.
Wall outlet
RPS cable
Power cable
Power cable
SuperStack II bridge/router
SuperStack II Redundant Power System
HWBook Page 25 Friday, June 19, 1998 3:42 PM
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