IGPS-9080 Series User Manual
ORing Industrial Networking Corp
23
Label
Description
Enable
Check to enable O-Chain function
1
st
Ring Port
The first port connecting to the ring
2
nd
Ring Port
The second port connecting to the ring
Edge Port
An O-Chain topology must begin with edge ports. The ports with a
smaller switch MAC address will serve as the backup link and RM
LED will light up.
4.3 MRP
4.3.1 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).
4.3.2 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
set to be Manager, the MRP topology will fail.
React on Link Change
(Advanced mode)
Faster mode. Enabling this function will cause MRP topology to
converge more rapidly. This function only can be set in MRP
manager switch.
1
st
Ring Port
Chooses the port which connects to the MRP ring
2
nd
Ring Port
Chooses the port which connects to the MRP ring