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Perle Systems Application Note
Redundant Path Technology
Redundant Path technology
assures serial port access through Active
Standby and Dual Network Access modes on all IOLAN
SCS models.
Active Standby Mode
A dual Ethernet IOLAN
SCS in Active Standby mode will monitor its primary Ethernet
connection and if it detects a loss of communication
it will automatically switch to the secondary Ethernet
line. This provides a hot
backup on its Ethernet connection to the network.
Dual Network Access Mode
A dual Ethernet IOLAN SCS in Dual Network Access mode
provides connections to two separate networks simultanously.
In the event of network equipment failure in one network,
administrators have an alternate path through a second
network to access their console server.
In Co-location environments where
separate IT infrastructures are being managed by a
single console server or console server cluster, Dual
Network Access mode enables administrators of the Co-location
server to manage all of the equipment versus having
to have a separate set of console servers to access
the equipment.
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