This paper will introduce the technical features, hardware architecture, software functions and application scenarios of Hirschmann MS 4128-L3EE EEC mice in detail.

2. Product overview
MS4128-L3E EEC is a modular three-layer industrial Ethernet switch, which belongs to Hirschmann MS4000 series product line. Its main features include:

Modular design: support hot plug module expansion and flexibly adapt to different network requirements.
Three-layer switching capability: Support static routing, RIP, OSPF and other advanced routing protocols.
Industrial reliability: It meets MICE (Mechanical, Invasive, Climate, Electromagnetic) standards and adapts to harsh environment.
High port density: support up to 28 ports (4 Gigabit +24 10/100M fast Ethernet ports).
Enhanced Software Function (EEC): Provides advanced QoS, VLAN, security and redundancy protocol support.
3. Hardware architecture and key features
3.1 Modular design
The MS4128-L3E EEC adopts a modular structure, and users can flexibly configure it according to their needs:

Basic rack: provide 4 fixed Gigabit ports (optional electrical or optical ports).
Expansion slot: multiple SFP or RJ45 modules can be installed, which can be expanded to 24 fast Ethernet ports at most.
Hot plug support: module replacement does not need power off, improving system availability.
3.2 Port Configuration and Performance
Gigabit port (10/100/1000m): 4 fixed ports, which can be used for backbone network or uplink.
Fast Ethernet port (10/100m): 24 optional ports, suitable for terminal equipment access.
SFP fiber module support: single-mode or multimode fiber can be selected, which is suitable for long-distance transmission.
3.3 Industrial protection and certification
MICE standard compatibility: meet the requirements of mechanical impact, waterproof and dustproof, extreme temperature and electromagnetic interference protection.
Wide temperature working range:–40°C ~ +70°C, suitable for harsh industrial environment.
Redundant power input: Support dual power supply (24V DC or 110/230AC) to improve reliability.
4. Software function and network management
4.1 Three-layer routing function
MS4128-L3E EEC not only supports Layer 2 switching, but also has Layer 3 routing capability:

Static Routing & Dynamic Routing (RIP v1/v2, OSPF): Suitable for complex network topology.
VLAN support (802.1Q): Realize logical network isolation and improve security and bandwidth utilization.
4.2 Network Redundancy and Reliability
HIPER-Ring(<0.3ms recovery time): Hirschmann’s proprietary high-speed redundancy protocol.
RSTP/MSTP(802.1w/802.1s): standard spanning tree protocol to prevent network loops.
ERPS(G.8032): Carrier-level ring network protection protocol, which is suitable for high-availability networks.
4.3 Safety and management functions
ACL (Access Control List): Restrict the access of illegal devices.
SNMP v3, SSH, HTTPS: secure remote management.
LLDP (Link Layer Discovery Protocol): Automatic Topology Discovery and Device Identification.
5. Typical application scenarios
5.1 Industrial Automation and Intelligent Manufacturing
Factory automation (PLC, robot control network).
Data acquisition and transmission of SCADA system.
5.2 Critical infrastructure
Rail transit signal system (according to EN 50155 standard).
Communication network between smart grid and substation.
5.3 Oil, Gas and Mining
Remote monitoring of offshore drilling platform.
Interconnection of mine explosion-proof network equipment.
Step 6 summarize
Hirschmann MS4128-L3E EEC MICE switch module has become an ideal choice for industrial network communication because of its modular design, three-layer routing capability and industrial reliability. Its flexible configuration options and powerful software functions make it suitable for mission-critical network deployment in various harsh environments.

For users who need high bandwidth, low latency and redundant networks, MS4128-L3E EEC provides excellent performance and long-term stability, and is an ideal solution for industrial 4.0 and IIoT (Industrial Internet of Things) applications.

Hirschmann ms4128-l2pee PowerMICE switching module is a modular industrial Ethernet switch, which belongs to powermice series, supports three-layer switching function and is suitable for various industrial application scenarios. This module has the following features:

Port configuration: 4 Gigabit ports (1000BASE-T) and 24 10/100 Mbps ports are provided, which can be increased to 28 ports by expanding the backplane, supporting various port types (such as RJ45, SFP and M12).

Power supply and power consumption: The working voltage is 24V DC, and the power consumption is 150W. It supports plug-and-play PoE modules and provides additional power output up to 370W, which is suitable for complex industrial network environment.

Functions and features: Support multiple routing protocols, redundancy mechanisms, security mechanisms (such as VLAN, ACL, 802.1X authentication), QoS (flow control, multicast filtering, etc.) and network management functions (such as SNMP, web services, serial port management, etc.).

Physical characteristics: the size is 134mm x 150mm x 140mm, the weight is 2.2 kg, and the protection level is IP20, which is suitable for industrial environment.

Application scenario: it is suitable for tunnels, airports, railway stations and other scenarios, and supports linear or star topology. The maximum number of devices in the ring topology can reach 50, and the loop recovery time is less than 50 seconds.

Compatibility: All Open MICE modules and expansion backplane are supported, and twisted-pair ports can be extended to optical fiber ports through SFP modules.

Hirschmann ms4128-l2peek powermice switching module is a powerful, flexible and reliable industrial-grade switch, which is suitable for complex network environments that require high-density ports and three-layer switching functions.

PowerMICE basic module MS4128
The basic module of the PowerMICE contains all the function units, such as:
switch function, management function, redundancy function, display control,
voltage connection, management connection, adjustable controls, slots for
media modules.
The basic module provides:
 4 slots for 10/100 Mbit/s media modules
 1 slot for 1 Gbit/s media modules
With the expansion module you add 2 more slots for 10/100 Mbit/s media
modules. With its 4-port media modules, the basic module allows you to

Family Designed for:
PowerMICE larger numbers of ports
larger bandwidth requirement
Selectable via media modules:
Number of 100/1000 Mbit/s ports
connect up to:
 16 network segments or
 24 network segments when using an expansion module
and additionally
 4 Gigabit network segments when using a 4-port Gigabit media module.

MS4128-L3P ATEX
MS4128-L2P EEC
MS4128-L3E EEC
MS4128-L3P EEC
MM2-4TX1
MM2-4TX1-EEC
MM2-4FXM3

Hirschmann MS4128-L2P is a modular industrial Ethernet switch, which is specially designed to meet the needs of industrial automation and network communication. Based on MICE series, this switch supports flexible port configuration and multiple functions, and is suitable for various industrial application scenarios.

Product features:

Port configuration: MS4128-L2P provides 4 Gigabit ports (10/100/1000 Mbps) and 24 fast Ethernet ports (10/100 Mbps), which can be increased to 28 ports by expanding the backplane.
Modular design: support the insertion of various media modules (such as SFP module or RJ45 module) to realize flexible network topology, including linear, ring and star topology.
Three-layer routing function: support three-layer routing protocol, which can realize more complex network management.
Security and reliability: It has port security, access control, VLAN, SNMP and other security functions, and has passed many international certifications (such as CE, FCC, IEC 60950-1, etc.) to ensure stable operation in harsh environment.
Environmental adaptability: wide working temperature range (0℃ to +60℃), supporting dust-proof, moisture-proof, anti-electromagnetic interference and other characteristics, suitable for chemical industry, energy, transportation and other industries.
Application scenario:
MS4128-L2P is widely used in industrial automation, traffic monitoring, tunnels and airports, especially in the environment that requires high reliability and flexibility.

Summary:
Hirschmann MS4128-L2P is a powerful and flexible industrial-grade switch. With its modular design, rich port selection and strong network management ability, it can meet the requirements of modern industrial networks for efficiency, reliability and security.

Device description

The PowerMICE devices consist of a switch with media modules that can be
plugged into it. The devices have 4 slots for 10/100 Mbit/s media modules
and 1 slot for 1 Gigabit module. The slot for the Gigabit module supports 2
Gigabit ports. The expansion module provides you with 2 additional slots for
10/100 Mbit/s media modules. Each media module provides you with 2 to 4
ports for connecting network segments.
The PowerMICE devices are designed for the special requirements of
industrial automation. They meet the relevant industry standards, provide
very high operational reliability, even under extreme conditions, and also
provide long-term reliability and flexibility.
The devices work without a fan.
The voltage is supplied redundantly.
The following installation options are available:
 simply snapping them onto a DIN rail
You can choose various media to connect terminal devices and other
infrastructure components:
 twisted pair cable
 multimode F/O
 singlemode F/O
The twisted pair ports support:
 Autocrossing
 Autonegotiation
 Autopolarity
The following software variants are available:
 MICE MS4128-L2P: Layer 2 Professional
 MICE MS4128-L3E: Layer 3 Enhanced
 MICE MS4128-L3P: Layer 3 Professional
There are convenient options for managing the device. Administer your
devices via:
 a Web browser
 Telnet
 management software (e.g. Industrial HiVision)
 a V.24 interface (locally on the device)
The ring redundancy concept allows the network to be reconfigured quickly
after a failure.

Product configuration data can be provided by:
 diagnosis displays
 displaying the operating parameters
 large label areas
The clear division of the diagnosis displays and the connection level allows
you to view the LEDs easily.

The naming of copyrighted trademarks in this
manual, even when not specially indicated,
should not be taken to mean that these names
may be considered as free in the sense of the
trademark and tradename protection law and
hence that they may be freely used by anyone.
© 2023 Hirschmann Automation and Control
GmbH
Manuals and software are protected by copyright. All rights reserved. The copying, reproduction, translation, conversion into any electronic medium or machine scannable form is
not permitted, either in whole or in part. An
exception is the preparation of a backup copy
of the software for your own use.
The performance features described here are
binding only if they have been expressly agreed when the contract was made. This document was produced by Hirschmann
Automation and Control GmbH according to
the best of the company’s knowledge. Hirschmann reserves the right to change the contents
of this document without prior notice. Hirschmann can give no guarantee in respect of the
correctness or accuracy of the information in
this document.
Hirschmann can accept no responsibility for
damages, resulting from the use of the network
components or the associated operating software. In addition, we refer to the conditions of
use specified in the license contract.
You can get the latest version of this manual
on the Internet at:
https://www.doc.hirschmann.com
Hirschmann Automation and Control GmbH
Stuttgarter Str. 45-51
72654 Neckartenzlingen
Germany
Safety instructions
Certified usage
Please observe the following:
z Warning!
The device may only be employed for
the purposes described in the catalog
and technical description, and only in
conjunction with external devices and
components recommended or approved by Hirschmann. The product can
only be operated correctly and safely if
it is transported, stored, installed and
assembled properly and correctly. Furthermore, it must be operated and serviced carefully.
Supply voltage
To be supplied by a NEC Class 2 power
supply via MICE switch module.
For Power over Ethernet modules: Connect a
NEC Class 2 power supply only.
Use +60/75 °C or +75 °C copper (CU) wire
only.
Use a potential-free supply voltage only.
Ground the supply voltage otherwise via GND.
A positive grounding of the supply voltage is
not permitted.
Shielding Ground
Note: The shielding ground of the connectable
twisted pairs lines is connected to the front
panel as a conductor.
□ Beware of possible short circuits when
connecting a cable section with conductive
shielding braiding.
Casing
z Warning!
Only technicians authorized by
Hirschmann are permitted to open the
casing.
□ Make sure that the electrical installation
meets local or nationally applicable safety
regulations.
z Warning!
Never insert pointed objects (thin
screwdrivers, wires, etc.) into the
inside of the subrack! This especially
applies to the area behind the socket
connectors. Failure to observe this
point may result in injuries caused by
electric shocks.
General Safety Instructions
□ Particular attention is to be paid to all
warnings and items of information relating
to safety.
□ Peripheral equipment must be suitable for
the location in which it is used.
z Warning!
Any work that may have to be performed on the electrical installation
should be performed by fully qualified
technicians only.
Note: LED or LASER components in compliance with IEC 60825-1: CLASS 1 LASER PRODUCT for Cat. No. having the following fiber
optic modules (identified by module code)
incorporated: S2, S4, E2, L2, G2, Z6, O7.
CLASS 1 LED PRODUCT for Cat. No. having
the following fiber optic modules (identified by
module code) incorporated: M2, M3, M4, F4.
Refer to the product code description in chapter 7.
ESD guidelines
The modules are equipped with electrostatically sensitive components. These can be destroyed, or their life cycles reduced, by the
effects of an electrical field or by a charge
equalization if the connections are touched.
You will find information about electrostatically
endangered assemblies in
DIN EN 61340-5-1 (2007-08) and
DIN EN 61340-5-2 (2007-08).
CE marking
The devices comply with the regulations contained in the following European directive(s):
2014/30/EU (EMC)
Directive of the European Parliament and the
council for standardizing the regulations of
member states with regard to electromagnetic
compatibility.
2011/65/EU (RoHS) and 2015/863/EU (RoHS)
Directive of the European Parliament and of
the Council on the restriction of the use of certain hazardous substances in electrical and
electronic equipment.
2014/34/EU (ATEX)
Directive of the European Parliament and of
the Council on the harmonisation of the laws of
the Member States relating to equipment and

protective systems intended for use in potentially explosive atmospheres.
Note: The ATEX Directive applies exclusively
to the device variants labeled with an ATEX
certificate number: DEKRA 13ATEX0019 X
In accordance with the above named EU directive(s), the EU conformity declaration will be at
the disposal of the relevant authorities at the
following address:
Hirschmann Automation and Control GmbH
Stuttgarter Str. 45-51
72654 Neckartenzlingen
You find the EU declaration of conformity as
PDF file for downloading on the Internet at:
https://www.doc.hirschmann.com/certificates.ht
ml
The product can be used in living areas (living
area, place of business, small business) and in
industrial areas.
– Interference immunity: EN 61000-6-2
– Emitted interference: EN 55032 Class A
z Warning!
This is a class A device. This device
can cause interference in living areas,
and in this case the operator may be
required to take appropriate measures.
The assembly guidelines provided in
these instructions must be strictly
adhered to in order to observe the
EMC threshold values.