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RS-405 - Industrial Etherent Real Time Redundant Ring Switch, 5 port, Plastic Case by ICP DAS

RS-405 - Industrial Etherent Real Time Redundant Ring Switch, 5 port, Plastic Case

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Real-Time Redundant Ring Switch in Plastic Casing. Can satisfy the Requirement for Link-Loss-Backup in Industrial Field Applications. Supports Versatile Topologies.


Mfg SKU # : RS-405
List Price : $579.00
Our Price : $568.00
Stock : Call for Availability
Quantity :

RS-405 series are ICPDAS’ latest real-time redundant ring switches. 
They can satisfy the requirement for link-lose-backup in the industrial field applications:

The Backup path will become Active within 100ms (configurable), 
and keep the whole LAN working 
Link Loss Backup

RS-405 series supports versatile topologies:

Versatile Topologies:
The proprietary STP protocol of RS-405 allows users to construct
more complicated topologies than basic ring architecture.
Versatile Topologies

It is also possible to construct a cost effective redundant ring Ethernet LAN by mixing 
RS-405 with other low cost unmanaged Ethernet Switch, the NS-205/208 series.

Cost Effective Ring Ethernet:
Having one RS-405 and other lower cost unmanaged Ethernet 
switches (e.g. NS-205/208 series) in a ring, this Ethernet LAN
is also tolerant to link lose.
Cost Effective Ring Ethernet

RS-405 series are equipped with 2 power inputs, which are redundant for each other. 
The relay output facility can deliver warning signal during power failure or link loss.

Relay Output:
The relay output of RS-405 could deliver warning signal when 
failure on one power input or when link lose.
Cost Effective Ring Ethernet

With supporting Modbus/TCP protocol, the administrator of Ethernet LAN 
can get the information of individual port status of RS-405.

RS-405 series supports Modbus/TCP protocol. Using this protocol, 
administrator of Ethernet LAN can read port status of RS-405 and 
SCADA can know the condition of the LAN it's based on.

Cost Effective Ring Ethernet

  • Plug and Play
  • Provides redundant path to Ethernet LAN
  • Support various ring Topologies
  • Real-time performance
  • Certified for harsh industrial environments
  • Support Modbus/TCP protocol to read port status
  • Relay output for link lose alarm
  • Supports redundant power input
  • Din Rail Mount

Ethernet switch type

Intelligent store & forward

RJ45 ports (shielded)


RJ45 speed (auto-negotiating)

10 Mbps or 100 Mbps

RJ45 auto-mdi/mdi-x

All 5 ports

Ethernet protocols supported

All standard IEEE 802.3

Memory bandwidth

3.2 Gbps

Completely compliant

IEEE 802.3, IEEE 802.3u, IEEE802.3x

Full or half duplex operation


MAC addresses supported


Ethernet isolation

1500 VRMS 1 minute

Required supply voltage

+10 ~ +30 VDC

Power input isolation


Power consumption
(Redundant input terminals)

5 W 
(typical - all ports active at 100 Mbps)

Operating temperature

-30°C ~ +75°C

Storage temperature

-40°C ~ +85°C


EN 50155 and EN11373.

EMC immunity

EN61326-1 (EN61000-4-2, 3, 4, 5, 6)

RS-405.pdf4,156 K

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