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Hirschmann BRS40-8TX/4SFP 942170-009 BOBCAT Managed Industrial Ethernet Switch
Managed industrial Gigabit Ethernet switch: 8 × 10/100/1000Base-TX RJ45 and 4 × 100/1000 Mbit/s SFP. Fanless DIN-rail design with TSN, redundant power inputs, industrial protocols, and secure managed networking.
Twelve Managed Ports with Gigabit Copper and Flexible SFP Fiber
The Hirschmann BRS40-8TX/4SFP (part number 942170-009) is a managed industrial Gigabit Ethernet switch with 12 ports. It belongs to the BOBCAT series, and its time-sensitive networking capabilities support deterministic, real-time communication. The managed feature set also gives administrators control over traffic, redundancy, security, and diagnostics.
Eight Gigabit RJ45 ports provide high-throughput connections for devices inside the cell, and four SFP slots let the fiber side of the network be configured for the required media and reach. This balanced port mix supports a scalable industrial backbone while preserving enough local capacity for traffic-intensive equipment at the control-panel edge.
🔌 Port Configuration
8 × 10/100/1000Base-TX RJ45
4 × 100/1000 Mbit/s SFP
⏱️ TSN-Ready Platform
Supports time-sensitive industrial Ethernet traffic and precise network timing
⚡ Redundant DC Power
Two 12–24 V DC inputs; typical power consumption is 11 W
🛠️ Fanless DIN-Rail Design
No cooling fan to maintain; compact IP30 construction
Key Features & Benefits
- Managed Industrial Ethernet: VLAN, QoS, flow control, traffic shaping, jumbo frames, and multicast management help organize mixed automation traffic
- Resilient Network Options: HIPER-Ring, MRP, RSTP, link aggregation with LACP, link backup, and redundant network coupling support recovery planning
- Secure Access: IEC 62443-4-2-certified capabilities include 802.1X, RADIUS, access control lists, configurable password policies, audit trails, and HTTPS certificate management
- Multiple Management Paths: HTML5 management, CLI, SNMP v1/v2/v3, SSHv2, HTTPS, LLDP, TFTP, SFTP, SCP, and OPC UA provide flexible administration
- Industrial Protocol Profiles: Supports EtherNet/IP, IEC 61850, Modbus TCP, and PROFINET integration
- Precise Time Synchronization: PTPv2 transparent and boundary clock functions, IEEE 802.1AS, and SNTP support coordinated industrial communications
- Built-In Diagnostics: LEDs, signal contact, syslog, RMON, port mirroring, cable testing, link monitoring, and configuration checks improve troubleshooting visibility
- Local Service Interface: USB-C supports local management and device replacement workflows
- Panel-Friendly Power: Dual 12–24 V DC inputs and a plug-in signaling contact simplify industrial control-panel integration
- Manufacturer Guarantee: 5-year manufacturer's guarantee
⚠️ SFP Transceivers Are Required and Sold Separately
The four SFP slots do not include optical transceivers. Select compatible SFP modules that match the port speed, fiber type, wavelength, connector, and required link distance. The achievable fiber reach is determined by the installed modules and the complete optical path.
🔐 Managed Security and Configuration
The BOBCAT management platform supports role-based administration, secure remote access, VLAN-based access restrictions, local and RADIUS authentication, configuration rollback, and backup to a remote server. Plan these settings before commissioning so the switch enters service with only the management paths and network access the application requires.
Technical Specifications
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Model
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BRS40-8TX/4SFP
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Part Number
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942170-009
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Series
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Hirschmann BOBCAT BRS40
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Switch Type
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Managed industrial Gigabit Ethernet switch
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Total Network Ports
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12
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Copper Interfaces
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8 × 10/100/1000Base-TX RJ45
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Fiber / SFP Interfaces
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4 × 100/1000 Mbit/s SFP
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Fiber Distance
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Determined by the selected SFP transceiver and fiber type
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Operating Voltage
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2 x 12 - 24V DC
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Power Consumption
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11 W
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Heat Dissipation
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38 BTU (IT)/h
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Power / Signal Contact
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1 plug-in terminal block, 6-pin
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Digital Input
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1 plug-in terminal block, 2-pin
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Local Management
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USB-C
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Copper Segment Length
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0-100 m
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Supported Topology
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any
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Operating Temperature
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0 C to +60 C (32 F to 140 F)
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Storage / Transport Temperature
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-40 C to +70 C (-40 F to 158 F)
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Relative Humidity
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1% to 95%
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MTBF at 25°C
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3119057 hours
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Dimensions (W × H × D)
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73 mm x 137.5 mm x 103.5 mm (2.87" x 5.41" x 4.07")
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Weight
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570 g
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Mounting
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DIN Rail
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Protection Class
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IP30
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Housing
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PC-ABS
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Approvals / Standards
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cUL 61010; CE, FCC, EN61131, EN62368-1
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Guarantee
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5-year manufacturer's guarantee
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Verify power, wiring, fiber, firmware, and environmental requirements against the BOBCAT manual before commissioning. Optical reach depends on the complete link budget and, for SFP models, the selected transceivers.
📋 Installation Overview
Before Commissioning:
1. Confirm the Environment: Check enclosure protection, clearances, and the 0 C to +60 C (32 F to 140 F) operating range
2. Mount the Switch: Secure the unit to a grounded DIN rail inside the control enclosure
3. Wire Power: Connect the 12–24 V DC supply inputs and signaling contact according to the manual
4. Connect Network Media: Select SFP modules for the required fiber medium and distance
5. Apply a Base Configuration: Set management access, VLANs, redundancy, time synchronization, and industrial protocol profiles
6. Harden Access: Replace default credentials, limit management interfaces, and configure authentication and logging
7. Test the Network: Verify every link, alarm contact, redundant path, and required recovery behavior before production use
Installation and electrical work should be performed by qualified personnel in accordance with the BOBCAT manual and applicable codes.
📦 What's Included
Included with the Device:
• Hirschmann BRS40-8TX/4SFP switch (942170-009)
• Terminal block for supply voltage and signal contact
• Safety and general information sheet
Compatibility & Application Reference
Hirschmann BOBCAT Managed Switch Comparison
📄 Documentation & Support Resources
Hirschmann BRS BOBCAT Series Manual:
Managed Ethernet Switch Comparison: Compare Hirschmann managed industrial Ethernet switches
Local Management: USB-C supports local setup and device-replacement workflows; configuration can also be managed through the BOBCAT software interfaces
Part Number Note: Order Hirschmann BRS40-8TX/4SFP using part number 942170-009 (vendor part number 942170009). Confirm the required port media, operating range, and accessories before purchase.
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