TGPS-9084GT-M12 Series User
Manual
ORing Industrial Networking Corp
26
Fiber Networks
Note
: The maximum cable length for copper ports is 100 meters and 20km for fiber ports.
When data bypasses the inactive switch(s) to another active switch, the distance between the
two active switches must be within the maximum length, otherwise transmission will fail.
4.5 MRP
4.5.1 Introduction
MRP
(Media
Redundancy
Protocol)
is
an
industry standard for
high-availability
Ethernet networks. MRP allowing Ethernet switches in ring configuration to recover from
failure rapidly to ensure seamless data transmission. A MRP ring (IEC 62439) can support up
to 50 devices and will enable a back-up link in 80ms (adjustable to max. 200ms/500ms).
4.5.2 Configurations
Label
Description
Enable
Enables the MRP function
Manager
Every MRP topology needs a MRP manager. One MRP
topology can only have a Manager. If two or more switches are