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3.4 Connecting StackMaster™TR to Token Ring
Network
When NO connection to RI port: • ALWAYS set Ring In switch to Active position.
NOTE: The INSERT LED should remain OFF.
When NO connection to RO port: • ALWAYS set Ring Out switch to Active position.
NOTE: The NORMAL LED should remain OFF.
When adding passive hub to RI port: • Connect cable between StackMaster™TR RI and
RO of the passive hub
• Set Ring In switch to Passive position.
When adding passive hub to RO port: • Connect cable between StackMaster™TR RO and
RI of the passive hub
• Set Ring Out switch to Passive position.
When removing passive hub from RI port: • Set Ring In switch to Active position
• Disconnect cable between StackMaster™TR RI
and RO of the passive hub.
When removing passive hub from RO port: • Set “Ring Out” switch to Active position
• Disconnect cable between StackMaster™TR RO
and RI of the passive hub.
When interfacing to other manufacturers’ hub: The StackMaster™TR 16-Port is fully tested for
interoperatbility with other manufacturers’
concentrators that are compliant with 802.5
standards. Ensure that the RI/RO configuration of
the manufacturers’ concentrators functions with
the StackMaster™TR 16-Port.
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USER’S GUIDE