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BRS20-4TX/2FX-SM-EEC

Hirschmann BOBCAT BRS20-4TX/2FX-SM-EEC – Wide-Temp 32 km Single-Mode Fiber Switch

The Hirschmann BOBCAT BRS20-4TX/2FX-SM-EEC is a compact wide-temperature managed industrial Fast Ethernet switch combining 4x 10/100BASE-TX RJ45 copper ports with 2x 100BASE-FX single-mode SC fiber uplinks reaching up to 32.5 km, in a 57 mm wide fanless DIN rail housing rated from -40 to +70°C. Manufactured by Hirschmann for outdoor substations, railway infrastructure, and harsh-environment utility networks, it delivers TSN 802.1Qbv, PROFINET, EtherNet/IP, Modbus TCP, IEC61850, and full redundancy from an extended temperature long-range fiber node. Available from Recab, your Nordic partner for Hirschmann industrial switch solutions.
Description
The Hirschmann BOBCAT BRS20-4TX/2FX-SM-EEC is the extended temperature variant of Hirschmann’s compact 6-port single-mode fiber managed Fast Ethernet BOBCAT switch, combining a -40 to +70°C operating range with two 100BASE-FX single-mode SC fiber uplinks capable of reaching up to 32.5 km — a combination that addresses the specific needs of outdoor energy infrastructure, railway wayside and traction control systems, and utility networks in Nordic and Baltic climates where both thermal extremes and long inter-site fiber spans are routine requirements. Manufactured by Hirschmann, a Belden brand, the switch provides 4x 10/100BASE-TX RJ45 copper ports alongside the two long-range single-mode fiber uplinks in a 57 mm wide fanless PC-ABS DIN rail housing rated to IP30, with dual redundant 12 to 24 VDC power inputs and USB-C local management consuming just 7 W. TSN 802.1Qbv support on interfaces 1/1 to 1/3 delivers deterministic real-time Ethernet communication across both copper and single-mode fiber segments, while the full industrial protocol suite — PROFINET, EtherNet/IP, Modbus TCP, IEC61850 — ensures compatibility with PLCs, SCADA systems, and IEC61850 protection relays used in energy, rail, and utility infrastructure. Redundancy capabilities include HIPER-Ring, MRP (IEC62439-2) as both client and manager, RSTP, LACP, Link Backup, and Redundant Network Coupling, supporting high-availability topologies spanning both media types. Security features encompass Secure Boot, signed firmware, 802.1X port access control, RADIUS authentication, VLAN-based ACLs, and DoS prevention. Vibration and shock compliance per IEC 60068-2-6 and IEC 60068-2-27, an MTBF of approximately 2.64 million hours, and a 60-month guarantee confirm the BRS20-4TX/2FX-SM-EEC’s fitness for demanding long-lifecycle outdoor and field deployments. Available from Recab, your Nordic partner for Hirschmann industrial switch solutions.
Features
  • Extended temperature range of -40 to +70°C combined with 32.5 km single-mode fiber reach addresses both harsh outdoor conditions and long inter-site spans.
  • Two 100BASE-FX single-mode SC fiber uplinks support inter-site connections up to 32.5 km on 9/125 µm fiber from a compact DIN rail field node.
  • Four 10/100BASE-TX RJ45 copper ports in a 57 mm fanless housing provide local device connectivity alongside long-haul single-mode fiber uplinks.
  • TSN 802.1Qbv, PROFINET, EtherNet/IP, Modbus TCP, and IEC61850 enable full automation and protection relay integration from wide-temperature fiber nodes.
  • HIPER-Ring, MRP (IEC62439-2), RSTP, and LACP deliver high-availability redundancy across single-mode fiber and copper segments in harsh environments.
  • Secure Boot, signed firmware, RADIUS, and 802.1X authentication provide OT cybersecurity for wide-temperature long-haul fiber industrial infrastructure.
Specifications
Type Managed Industrial Switch
Power 2 x 12 VDC ... 24 VDC
Power Consumption 7 W
Operating Temp -40-+70 °C
Weight 420 g
Dimensions 57 mm x 138 mm x 115 mm
Protection IP30
MTBF 2 638 177 h
Cabling Twisted pair or fiber
Ports 4x 10/100BASE TX, 2x Fiber
  • Outdoor substation and energy infrastructure with long-distance single-mode fiber backbone and extreme temperature operation
  • Railway wayside and traction control networks requiring 32 km single-mode fiber connectivity at wide-temperature range
  • Utility and water treatment networks spanning large geographic areas via single-mode fiber in harsh Nordic climates
  • Wide-temperature IEC61850 protection relay networks with long-haul inter-substation fiber links