Compact 4-port Ethernet Fibre Switch



✓ Basic automation connectivity solution

• 4-ports 10/100 TX and 1 single-mode fibre port
• Compact Fast Ethernet Switch
• 3.2Gbit/s Switch Fabric with excellent data exchange performance

✓ Designed for easy industrial installation

• DIN rail mount
• Variable power input, AC 18 – 27 V / DC 18 – 32 V
• Fault relay alarm

✓ Operation within industrial environments

• Aluminium case with IP-31 grade protection
• –10 ~ 60ºC operating temperature


The Westermo SDI-541 is an industrial fast Ethernet switch with four 10/100Base-TX ports and one 100Base-FX port. Two versions are available with the SC2 variant capable of data transmission over 2 km with multi-mode fibre or 30 km by single-mode fibre using the SC30 model. Its compact IP31 rated aluminum case allows the unit to be fitted into a very small space on an industry standard DIN rail.

The Westermo SDI-550 can operate with variable power sources being able to accept AC 18 ~ 27 V or DC 18 ~ 32 V on a removable connector block.

A single relay output is provided to allow port link down events to be indicated, This function is configured by a simple DIP switch.

The switch requires no user setup and will immediately start to operate on power up. The 3.22 Gbit/s switch core ensures that no data delay occurs within the switch.

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Technical Specifications

Compact 4-port Ethernet Fibre Switch
4x 10/100 Base T ports
1x 100 Base FX single-mode SC port

Nuri Shakeer

International sales

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