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Hirschmann 942170015 BRS20-4TX/2FX-SM-EEC 6 Port Managed Ethernet Switch, Singlemode, SC Style, Extended Temp Range

Hirschmann BRS20-4TX/2FX-SM-EEC Managed Switch
Hirschmann 942170015 BRS20-4TX/2FX-SM-EEC 6 Port Managed Ethernet Switch, Singlemode, SC Style, Extended Temp Range
  
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MFG P/N: 942170015
MFG: Hirschmann / Belden
Ships From: Eastlake, OH
Weight (lbs): 1

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Product Code: 942170-015
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Description
 

Hirschmann BRS20-4TX/2FX-SM-EEC Managed Industrial Ethernet Switch: P/N 942170-015

6-port Fast Ethernet Switch; 4 x 10/100Base-TX RJ45 ports plus 2 x 100Base-FX single-mode SC fiber ports. BOBCAT TSN-capable, fanless DIN-rail design.

Managed BOBCAT Switching for Industrial Ethernet Networks

The Hirschmann BRS20-4TX/2FX-SM-EEC (P/N 942170-015) is a 6-port managed industrial Fast Ethernet switch built for managed DIN-rail network architectures. Its port configuration combines 4 x 10/100Base-TX RJ45 ports plus 2 x 100Base-FX single-mode SC fiber ports, providing a compact platform for connecting and segmenting industrial Ethernet networks. The fanless design eliminates moving cooling components and supports operation across an extended temperature range of -40 C to +70 C (32 F to 158 F).

BOBCAT managed switching functions include VLAN segmentation, traffic prioritization, multicast control, link aggregation, and resilient ring protocols. Time-Sensitive Networking support, PTPv2 synchronization, and 802.1AS help coordinate real-time Ethernet traffic, while EtherNet/IP, PROFINET, Modbus TCP, and IEC 61850 profiles simplify integration with industrial automation systems. Dual 12 - 24V DC power inputs and 7 W power consumption support efficient control-panel deployment.

🔌 Port Configuration

4 x 10/100Base-TX RJ45 ports plus 2 x 100Base-FX single-mode SC fiber ports

⏱️ Real-Time Networking

TSN, PTPv2, 802.1AS, SNTP client, and SNTP server support coordinated industrial Ethernet traffic.

🔄 Network Redundancy

HIPER-Ring, MRP, RSTP, LACP link aggregation, link backup, and redundant network coupling.

🔐 Industrial Security

IEC 62443-4-2 certified security with 802.1X, RADIUS, VLAN-based ACLs, HTTPS, SSHv2, and account controls.

Key Features & Benefits

  • Managed Traffic Control: VLAN, QoS, DSCP prioritization, flow control, queue shaping, jumbo frames, and multicast management help organize deterministic industrial traffic.
  • Resilient Topologies: HIPER-Ring, Media Redundancy Protocol, RSTP, link backup, and LACP provide multiple options for maintaining communication paths.
  • Industrial Protocol Integration: Supports EtherNet/IP, PROFINET, Modbus TCP, and IEC 61850 profiles for automation and power-network applications.
  • Secure Management: Includes HTTPS, SSHv2, SNMP v1/v2/v3, RADIUS authentication, user privilege levels, password policies, audit trails, and access-control features.
  • Network Diagnostics: RMON, port mirroring, syslog, TCPDump, cable testing, link monitoring, conflict detection, and configuration checks simplify troubleshooting.
  • USB-C Local Access: A USB-C interface supports local management and device replacement workflows.
  • Industrial Power & Environment: Operates from 2 x 12 - 24V DC and consumes 7 W; rated for -40 C to +70 C (32 F to 158 F) operation and 1% to 95% non-condensing humidity.
  • Compact DIN-Rail Construction: 57 mm x 137.5 mm x 103.5 mm (2.24" x 5.41" x 4.07") enclosure, 420 g weight, and IP30 protection class.
  • 5-Year Manufacturer's Guarantee: Manufacturer-backed coverage supports long-term industrial deployment planning.

📡 Network Media Planning

This switch supports copper links up to 0-100 m; single mode fiber (sm) 9/125 µm up to 0 - 32.5 km. Verify cable type, connector style, and link budget before installation, especially when fixed fiber ports are used.

⏱️ TSN, Synchronization & Redundant Networking

The BOBCAT platform combines Time-Sensitive Networking capabilities with PTPv2 transparent-clock and boundary-clock functions, 802.1AS, and SNTP. HIPER-Ring, MRP, RSTP, redundant network coupling, link backup, and LACP provide flexible methods for designing resilient managed Ethernet architectures.

Technical Specifications

Model BRS20-4TX/2FX-SM-EEC
Part Number 942170-015
Vendor Part Number 942170015
Series Hirschmann BOBCAT
Switch Type Managed Industrial Fast Ethernet Switch
Total Ethernet Ports 6
Copper Ports 4 x 10/100Base-TX RJ45 ports
Fiber Ports 2 x 100Base-FX single-mode SC fiber ports
Housing Material PC-ABS
Cooling Fanless
Mounting DIN Rail
Operating Voltage 2 x 12 - 24V DC
Power Consumption 7 W
Heat Output 24 BTU/h
Operating Temperature -40 C to +70 C (32 F to 158 F)
Storage/Transport Temperature -40 C to +70 C (-40 F to 158 F)
Relative Humidity 1% to 95%
MTBF @ 25°C 2638177 hours
Dimensions (W x H x D) 57 mm x 137.5 mm x 103.5 mm (2.24" x 5.41" x 4.07")
Weight 420 g
Protection Class IP30
Manufacturer Guarantee 5 years

📋 Deployment Overview

1. Mounting: Install the switch on a DIN rail inside an enclosure appropriate for its IP30 protection class.

2. Power: Provide 2 x 12 - 24V DC DC power through the 6-pin plug-in power and signaling terminal block.

3. Copper Links: Use twisted-pair Ethernet segments up to 0-100 m.

4. Fiber Links: Configure the 2 x 100Base-FX single-mode SC fiber ports according to the fixed-fiber specifications or selected SFP transceiver.

5. Management: Use USB-C for local access or configure remote management through HTTPS, SSHv2, SNMP, or the supported command-line and web interfaces.

6. Resilience: Select HIPER-Ring, MRP, RSTP, link backup, or LACP based on the required network recovery and topology design.

7. Environment: Keep deployment conditions within -40 C to +70 C (32 F to 158 F) and 1% to 95% relative humidity.

Use the product manual and applicable electrical and network standards when installing and configuring the switch.

📦 Scope of Delivery

Device, terminal block for supply voltage & signal contact, safety & general info sheet

Network Media & Interface Reference

Interface or Media Specification Deployment Note
Power supply/signaling contact
1 plug-in terminal block, 6-pin
Integrated interface
Digital Input
1 plug-in terminal block, 2-pin
Integrated interface
Local Management & Device Replacement
USB-C
Integrated interface
Twisted pair (TP)
0-100 m
Copper segment length
Single mode fiber (SM) 9/125 µm
0 - 32.5 km, 16 dB Link Budget at 1300 nm, A = 0.4 dB/km, 3 dB reserve, D = 3.5 ps/(nm x km) 0 - 32.5 km, 16 dB Link Budget at 1300 nm, A = 0.4 dB/km, 3 dB reserve, D = 3.5 ps/(nm x km)
Fixed fiber port reach
Line - / star topology
any
Supports flexible line or star network layouts

Managed Software Capabilities

Feature Area Supported Functions
Switching
Independent VLAN Learning, Fast Aging, Static Unicast/Multicast Address Entries, QoS / Port Prioritization (802.1D/p), TOS/DSCP Prioritization, Interface Trust Mode, CoS Queue Management, Queue-Shaping / Max. Queue Bandwidth, Flow Control (802.3X), Egress Interface Shaping, Ingress Storm Protection, Jumbo Frames, VLAN (802.1Q), GARP VLAN Registration Protocol (GVRP), Voice VLAN, GARP Multicast Registration Protocol (GMRP), IGMP Snooping/Querier per VLAN (v1/v2/v3), Unknown Multicast Filtering, Multiple VLAN Registration Protocol (MVRP), Multiple MAC Registration Protocol (MMRP), Multiple Registration Protocol (MRP)
Redundancy
HIPER-Ring (Ring Switch), Link Aggregation with LACP, Link Backup, Media Redundancy Protocol (MRP) (IEC62439-2), Redundant Network Coupling, RSTP 802.1D-2004 (IEC62439-1), RSTP Guards
Management
Dual Software Image Support, TFTP, SFTP, SCP, LLDP (802.1AB), LLDP-MED, SSHv2, HTTP, HTTPS, Traps, SNMP v1/v2/v3, Telnet, IPv6 Management , OPC UA Server
Diagnostics
Management Address Conflict Detection, MAC Notification, Signal Contact, Device Status Indication, TCPDump, LEDs, Syslog, Persistent Logging on ACA, Port Monitoring with Auto-Disable, Link Flap Detection, Overload Detection, Duplex Mismatch Detection, Link Speed and Duplex Monitoring, RMON (1,2,3,9), Port Mirroring 1:1, Port Mirroring 8:1, Port Mirroring N:1, Port Mirroring N:2, System Information, Self-Tests on Cold Start, Copper Cable Test, SFP Management, Configuration Check Dialog, Switch Dump
Configuration
Automatic Configuration Undo (roll-back), Configuration Fingerprint, Text-based Configuration File (XML), Backup config on a remote server when saving, Clear config but keep IP settings, BOOTP/DHCP Client with Auto-Configuration, DHCP Server: per Port, DHCP Server: Pools per VLAN, AutoConfiguration Adapter ACA21/22 (USB), HiDiscovery, USB-C Management support, Command Line Interface (CLI), CLI Scripting, CLI script handling over ENVM at boot, Full-featured MIB Support, Context-sensitive Help, HTML5 based Management
Security
ISASecure CSA / IEC 62443-4-2 certified, MAC-based Port Security, Port-based Access Control with 802.1X, Guest/unauthenticated VLAN, Integrated Authentication Server (IAS), RADIUS VLAN Assignment, Denial-of-Service Prevention, DoS Prevention Drop Counter, VLAN-based ACL, Ingress VLAN-based ACL, Basic ACL, Access to Management restricted by VLAN, Device Security Indication, Audit Trail, CLI Logging, HTTPS Certificate Management, Restricted Management Access, Appropriate Use Banner, Configurable Password Policy, Configurable Number of Login Attempts, SNMP Logging, Multiple Privilege Levels, Local User Management, Remote Authentication via RADIUS, User Account Locking, Password change on first login
Industrial Profiles
EtherNet/IP Protocol, IEC61850 Protocol (MMS Server, Switch Model), Modbus TCP, PROFINET Protocol
Time synchronization
PTPv2 Transparent Clock two-step, PTPv2 Boundary Clock, BC with Up to 8 Sync / s , 802.1AS, Buffered Real Time Clock, SNTP Client, SNTP Server
Miscelleaneous
Digital IO Management, Manual Cable Crossing, Port Power Down

Mechanical stability

IEC 60068-2-27 shock 15 g, 11 ms duration
IEC 60068-2-6 vibration 5 Hz ... 8,4 Hz with 3,5 mm amplitude; 2 Hz ... 13,2 Hz with 1 mm amplitude; 8,4 Hz ... 200 Hz with 1 g; 13,2 Hz ... 100 Hz with 0,7 g

EMC interference immunity

EN 61000-4-2 electrostatic discharge (ESD) 6 kV contact discharge, 8 kV air discharge
EN 61000-4-3 electromagnetic field 10 V/m (80-2000 MHz); 5 V/m (2000-2700 MHz); 3 V/m (5100-6000 MHz)
EN 61000-4-4 fast transients (burst) 2 kV power line, 2 kV data line
EN 61000-4-5 surge voltage power line: 2 kV (line/earth) and 1 kV (line/line); data line: 2 kV
EN 61000-4-6 conducted immunity 10 V (150 kHz-80 MHz)

EMC emitted immunity

FCC CFR47 Part 15 FCC CFR47 Part 15 Class A
EN 55022 EN 55032 Class A

Approvals

Safety of industrial control equipment cUL 61010
Basis Standard CE, FCC, EN61131, EN62368-1

📄 Documentation & Product Resources

BOBCAT Series Manual: View the Hirschmann BRS BOBCAT Series manual

Product Selection: View the Managed Ethernet Switch Comparison Chart

Product Identification: Hirschmann BRS20-4TX/2FX-SM-EEC, part number 942170-015; vendor part number 942170015.

Configuration Reminder: Confirm network speed, media type, industrial protocol requirements, and environmental ratings before ordering.