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5-Port Real-time Redundant Ring Switch


● Automatic MDI / MDI-X crossover for plug-and-play
● Each port supports both 10/100 Mbps speed auto negotiation
● Store-and-forward architecture
● Full duplex IEEE 802.3x and half duplex backpressure flow control 
● 3.2Gbps high performance memory bandwidth
● Frame buffer memory: 1 Mbit
● Integrated look-up engine with dedicated 2 K unicast MAC addresses.
● Redundant Power Inputs +10 ~ +30V DC
Power failure alarm by relay output
● Supports operating temperatures from -30 °C ~ +75 °C
● DIN-Rail Mount for industrial usage



The RS-405 is a 5-Port Industrial Ethernet (10/100Base-TX) Real-Time Redundant Ring Switch. RS-405 supports 10/100M auto-negotiation feature and auto MDI /MDIX function. It can automatically switch the transmission speed (10 Mbps or 100 Mbps) for corresponding connections. The connectors of Ethernet port are shielded RJ-45. The shielded RJ-45 connectors offer a high reliability Ethernet environment for industrial control and automation.


Built-in ICP DAS Cyber-Ring technique that enable multiple switches to be placed into a redundant ring. It detects and recovers from a fiber or copper link failure within approximately 300ms – for the majority of applications a seamless process. Modbus/TCP, Modbus/RTU and OPC supported, SCADA application can monitor status of Ethernet port with Modbus or OPC protocol.


RS-405 provides two power inputs that can be connected simultaneously to live DC power sources. If one of the power inputs fails, the other live source acts as a backup to automatically support the RS-405's power needs. And, the relay output facility can deliver warning signal while dual power or network link failure.


Artikelnummer RS-405
Fabrikant ICPDAS
Completely compliant IEEE 802.3, IEEE 802.3u, IEEE802.3x
Ethernet switch type Intelligent store & forward
MAC addresses supported 2K
Memory Bandwidth 3.2 Gbps
RJ45 ports (shielded) 10/100BaseT(x)
RJ45 speed (auto-negotiating) 10 Mbps or 100 Mbps
RJ45 auto-mdi/mdi-x All 5 ports
Ethernet isolation 1500VRMS 1 minute
Required supply voltage +10 ~ +30 VDC
Power input isolation 1KV
Power consumption
(Redundant input terminals)
5 W
(typical - all ports active at 100 Mbps)
Case Plastic
Flammability UL 94V-0
Dimensions (w x h x d) 64 x 110 x 97.5mm
Installation DIN-Rail Mounting
Operating Temperature -30°C ~ +75°C
Storage Temperature -40°C ~ +85°C
Included Cable CA-090510


5-Port Real-time Redundant Ring Switch


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