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Redundant Technologies

Technology Description

Many network redundancy or recovery protocols have been defined by the IEEE, such as STP, RSTP, MSTP, to ensure
recovery from network disconnections. However, industrial applications require a much shorter recovery time than
commercial applications. Hence, industrial networking devices often use proprietary redundant ring technologies to
minimize downtime. ORing has developed a variety of proprietary redundancy technologies including O-Ring, O-Chain,
and Open-Ring. These proprietary redundant ring technologies not only meet the needs of different networking
topologies, but also assure the reliability of the network.

Support for IEEE Standard Redundant Technologies
• IEEE802.1d - STP (Spanning Tree Protocol) • IEEE802.1w – RSTP (Rapid Spanning Tree Protocol)
• IEEE802.1s – MSTP (Multiple Spanning Tree Protocol) • IEC 62439-2 MRP *NOTE (Media Redundancy Protocol)
Support for ORing's Proprietary Redundant Technologies

• O-Ring (ORing's Proprietary Redundant Ring) • Open-Ring (Open Architecture Technology)
• O-Chain (ORing's Proprietary Redundant Chain Technology)
*NOTE: This function is available by request only

L
a
y
Layer 3 Switch
Dual Homing
ork
Gigabit Network
Re
RGS series
RG Remote Control Site
wi
with
Open-Vision
Couple Ring
Port Trunk
ICS-4040
HMI
Gigabit Network O-Ring <10ms
Other Verdor’s IGS-3044GC IPS-3082GC
Switch

Open-Ring <10ms

O-Chain
Other Verdor’s
Switch
PLC
IES-3080 IP Camera
O-Ring <10ms transmit power and data

IGAP-6620+

IDS-5042-WG+
IES-2042 PA

IES-2042 PA TGAP-W610+-M12 IMC-121FB IES-1062GT PLC

Ethernet Protocol
O-Ring Open-Ring Couple Ring Port Trunk O-Chain

Link
CAT5e Serial PoE Link Optic Fiber IEEE 802.11 WLAN

Get Connected Anytime, Anywhere 39