Hirschmann MS3124-4

Product Name
Hirschmann MS3124-4 Power MICE modular managed industrial Ethernet/Fast Ethernet switch
Product Introduction
MS3124-4 is a modular managed switch in the Hirschmann MICE family. It accepts media modules to create copper and fiber port configurations for industrial automation, process control and transportation networks. The base unit provides switching, redundancy, diagnostics and security functions, while media modules define the physical ports.
Category:
Description
Technical Specifications
Parameter​
Value​
Order reference​
943 746-001, MS3124-4
Maximum ports​
Up to 24 ports through media modules
Integrated backplane slots​
4 slots, 16 ports maximum
Expansion backplane​
MB-2T adds 2 slots, 8 ports maximum
Operating voltage​
24 VDC, -25 percent to +30 percent
Current consumption​
Approximately 460 mA at 24 VDC excluding media modules
Power consumption​
Approximately 11 W excluding media modules
Management​
Managed Layer 2, store-and-forward
Switching speed​
10 Mbit/s Ethernet and 100 Mbit/s Fast Ethernet per media type
Redundancy​
HIPER-Ring, RSTP, redundant 24 VDC input, dual homing
Network features​
VLAN 802.1Q, SNMP v1/v2/v3, IGMP, GMRP, port mirroring, port security, 802.1D/p priority
Diagnostics​
LEDs, signal contact, fault relay, RMON
Serial interface​
1 RJ11 V.24 service port
Power terminal​
1 plug-in 6-pin terminal block
Mounting​
35 mm DIN rail
Protection rating​
IP20
Dimensions​
275 mm width, 134 mm height, 140 mm depth
Weight​
Approximately 1.9 kg
Operating temperature​
0 °C to +55 °C
Storage temperature​
-25 °C to +70 °C
Humidity​
10–95 percent non-condensing
Functional Features
Modular port configuration with copper, multimode fiber, single-mode fiber or hybrid media modules. Industrial redundancy protocols reduce network downtime. SNMP, VLAN and port-security features support segmented automation networks. Signal contact and relay output report power or fault conditions to the control system.
Performance Parameters
Up to 24 managed ports with wire-speed Fast Ethernet forwarding. HIPER-Ring reconfiguration supports sub-0.5-second recovery in compatible ring topologies. Redundant 24 VDC inputs maintain operation during primary power interruption.
Materials And Construction
Industrial DIN-rail chassis with metal and high-grade polymer housing, plug-in media modules, secured terminal block and LED front panel. Designed for shock and vibration resistance under IEC industrial environmental tests.
Working Principle
Incoming Ethernet frames are received by media modules, passed to the managed switch fabric and forwarded according to MAC address, VLAN, spanning-tree or ring topology rules. Redundancy protocols monitor links and reroute traffic when a segment fails. Management software provides configuration, monitoring and security control.
Application Scenarios
Factory automation, process plants, power substations, transportation systems, marine and offshore networks, and any industrial Ethernet system requiring modular copper/fiber expansion.
Installation Requirements
Mount on 35 mm DIN rail in a control cabinet with adequate ventilation. Install media modules according to the planned copper/fiber mix before power-up. Connect 24 VDC through the 6-pin terminal with correct polarity. For rings, configure HIPER-Ring manager and redundancy parameters before joining the network.
Usage Notes
Configure media modules and firmware to match the intended port types. Maintain spare media modules for rapid replacement. Back up switch configuration before firmware updates. Do not insert or remove powered media modules unless the design explicitly supports it. Verify IP20 enclosure cleanliness and cooling airflow periodically.
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