Picture 1 link-lose-backup: The Backup path will become Active within 100ms (configurable), and keep the whole LAN working in good.

 
 
 

Picture 2 Versatile topologies: The proprietary STP protocol of RS-405 allows users to construct more and complicate topologies than basic ring architecture.

 
 
 
Picture 3 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.
 
 
 
Picture 4 Relay output: The relay output of RS-405 could deliver warning signal when failure on one power input or when link lose.
 
 
 
Picture 5 Modbus/TCP: RS-405 series support Modbus/TCP protocol. Using this protocol, administrator of Ethernet LAN can read port status of RS-405 and SCADA can know the health condition of the LAN where it is based on.
 
 
 

Features
- Plug and Play
- Provide 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
- Support redundant power input

 
 
 
Specifications:

Ethernet switch type

Intelligent store & forward

RJ45 ports (shielded)

10/100BaseT(x)

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

Auto-sensing

MAC addresses supported

2K

Ethernet isolation

1500 VRMS 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)

Operating temperature

-30 ~ +75°C

Storage temperature

-40 ~ +85°C

Vibration

EN 50155 and EN11373.

EMC immunity

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

 
 
 
Dimensions
 
 
 
Ordering Information
RS-405: 5 port Real-time-ring Switch
RSM-405: 5 port Real-time-ring Switch with metal case

 
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