Lantech IES-2208CA User manual - page 30
Manual is about: 8 10/100TX + 2 10/100/1000T/Dual Speed SFP Combo
Managed Industrial Switch
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4.1 Pro-Ring2s Application
Pro-Ring II is a new Ring mechanism for Lantech Industrial Switches in which it
eliminates the need to pre-set the Master switch in old Pro-Ring and yet to protect the
network by much secure topologies than ever. Pro-Ring II works as a Ring Chain to
reduce the risk of master switch linking down whereas the setup becomes much easier.
Pro-Ring II can be backward compatible with old Pro-Ring by down-grading the Ring
scheme to old one.