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MDS-G4012-L3-4XGS Series

4XG+8G-port Layer 3 full Gigabit modular managed Ethernet switches

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Features and Benefits

  • Layer 3 routing interconnects multiple LAN segments
  • Multiple interface type 4-port modules for greater versatility
  • Up to 8 Gigabit Ethernet ports or SFP slots plus 4 embedded 10G Ethernet ports
  • Tool-free design for effortlessly adding or replacing modules without shutting down the switch
  • Ultra-compact size and multiple mounting options for flexible installation
  • Passive backplane to minimize maintenance efforts
  • Rugged die-cast design for use in harsh environments
  • Intuitive, HTML5-based web interface for a seamless experience across different platforms


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The MDS-G4012-L3-4XGS Series modular switches support 4 10GbE + 8 Gigabit ports, including 4 embedded ports, 2 interface module expansion slots, and 2 power module slots to ensure sufficient flexibility for a variety of applications. The highly compact MDS-G4012-L3-4XGS Series is designed to meet evolving network requirements, ensuring effortless installation and maintenance, and features a hot-swappable module design that enables you to easily change or add modules without shutting down the switch or interrupting network operations.

The multiple Ethernet modules (RJ45 and SFP) and power units (24/48 VDC and 110/220 VAC/VDC) provide even greater flexibility as well as suitability for different operating conditions, delivering an adaptive full Gigabit platform that provides the versatility and bandwidth necessary to serve as an Ethernet aggregation/edge switch. Featuring a compact design that fits in confined spaces, multiple mounting methods, and convenient tool-free module installation, the MDS-G4012-L3-4XGS Series switches enable versatile and effortless deployment without the need for highly skilled engineers. With multiple industry certifications and a highly durable housing, the MDS-G4012-L3-4XGS Series can reliably operate in tough and hazardous environments such as power substations, mining sites, ITS, and oil and gas applications. Support for dual LV or HV power modules provides redundancy for high reliability and availability and also offers flexibility to accommodate the power requirements of different applications.

Support for Layer 3 routing functionality enables these switches to facilitate the deployment of applications across different networks, making them ideal for large-scale industrial networks. In addition, the MDS-G4012-L3-4XGS Series features an HTML5–based, user-friendly web interface providing a responsive, smooth user experience across different platforms and browsers.

  • Pre-installed Modules

    4 embedded 10Gigabit ports

  • Module

    2 slots for optional 4-port FE/GE modules

  • Slot Combination

    See the LM-7000H module series datasheet for more information.

    Note: The required power module depends on the choice of LM-7000H module. Refer to the following power/module combination requirements.

    LM-7000H non-PoE modules:
    Any power module

    LM-7000H PoE modules:
    PWR-HV-P48-A, PWR-LV-P48-A only

  • Standards

    IEEE 802.3 for 10BaseT
    IEEE 802.3u for 100BaseT(X) and 100BaseFX
    IEEE 802.3ab for 1000BaseT(X)
    IEEE 802.3z for 1000BaseX
    IEEE 802.3x for flow control
    IEEE 802.3ad for Port Trunk with LACP
    IEEE 802.1Q for VLAN Tagging
    IEEE 802.1D-2004 for Spanning Tree Protocol
    IEEE 802.1w for Rapid Spanning Tree Protocol
    IEEE 802.1p for Class of Service
    IEEE 802.1X for authentication

  • Management

    IPv4/IPv6, Flow control, Back Pressure Flow Control, DHCP Server/Client, ARP, RARP, LLDP, Port Mirror, Linkup Delay, SMTP, SNMP Trap, SNMP Inform, SNMPv1/v2c/v3, RMON, TFTP, SFTP, HTTP, HTTPS, Telnet, Syslog, Private MIB

  • Filter

    GMRP, GVRP, GARP, 802.1Q VLAN, IGMP Snooping v1/v2/v3, IGMP Querier

  • Redundancy Protocols

    STP, RSTP, Turbo Ring v2, Turbo Chain, Ring Coupling, Dual-Homing, Link Aggregation, Loop Protection, MSTP

  • Routing Redundancy


  • Security

    Broadcast storm protection, Rate Limit, Trust access control, Static Port Lock, MAC Sticky, HTTPS/SSL, SSH, RADIUS, TACACS+, Login and Password Policy, Secure Boot, MAC Authentication Bypass, Access control list

  • Time Management

    SNTP, IEEE 1588v2 PTP (hardware-based), NTP Server/Client, NTP Authentication

  • Protocols

    IPv4/IPv6, TCP/IP, UDP, ICMP, ARP, RARP, TFTP, DNS, NTP Client, DHCP Server, DHCP Client, 802.1X, QoS, HTTPS, HTTP, Telnet, SMTP, SNMPv1/v2c/v3, RMON, Syslog

  • Unicast Routing

    OSPF, Static Route

  • MIB


  • Power Substation


  • MAC Table Size

    16 K

  • Max. No. of VLANs


  • VLAN ID Range

    VID 1 to 4094

  • IGMP Groups


  • Priority Queues


  • Packet Buffer Size

    12 Mbits

  • Console Port

    RS-232 (TxD, RxD, GND), 8-pin RJ45 (115200, n, 8, 1)

  • USB Connector

    USB Type A

  • Digital Input Channels

    1 (On MGMT Module)

  • Digital Inputs

    +13 to +30 V for state 1
    -30 to +3 V for state 0
    Max. input current: 8 mA

  • Alarm Contact Channels

    3 (On MGMT, PWR1, PWR2 Module)
    Relay output with current carrying capacity of 2 A @ 30 VDC

  • Input Voltage

    With PWR-HV-P48–A installed:
    110/220 VDC, 110 VAC, 60 HZ, 220 VAC, 50 Hz, PoE: 48 VDC

    With PWR-LV-P48–A installed:
    24/48 VDC, PoE: 48 VDC

    With PWR-HV-NP installed
    110/220 VDC, 110 VAC, 60 HZ, 220 VAC, 50 Hz

    With PWR-LV-NP installed:
    24/48 VDC

  • Operating Voltage

    With PWR-HV-P48–A installed:
    88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz, PoE: 46 to 57 VDC

    With PWR-LV-P48–A installed:
    18 to 72 VDC, PoE: 46 to 57 VDC

    With PWR-HV-NP installed:
    88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz

    With PWR-LV-NP installed:
    18 to 72 VDC

  • Input Current

    With PWR-HV-P48–A/PWR-HV-NP installed:
    Max. 0.11 A @ 110 VDC
    Max. 0.06 A @ 220 VDC
    Max. 0.29 A @ 110 VAC
    Max. 0.18 A @ 220 VAC

    With PWR-LV-P48–A/PWR-LV-NP installed:
    Max. 0.53 A @ 24 VDC
    Max. 0.28 A @ 48 VDC

  • Overload Current Protection


  • Reverse Polarity Protection


  • Max. PoE Power Output per Port

    36 W

  • Total PoE Power Budget

    Max. 360 W (with one power supply) for total PD consumption at 48 VDC input for PoE systems

    Max. 360 W (with one power supply) for total PD consumption at 53 to 57 VDC input for PoE+ systems

    Max. 720 W (with two power supplies) for total PD consumption at 48 VDC input for PoE systems

    Max. 720 W (with two power supplies) for total PD consumption at 53 to 57 VDC input for PoE+ systems

  • IP Rating


  • Dimensions

    197 x 115 x 163.25 mm (7.76 x 4.53 x 6.43 in)
    212 x 115 x 163.25 mm (8.35 x 4.53 x 6.43 in) with dual PWR-HV-P48-A/PWR-LV-P48-A power modules installed

  • Weight

    3,030 g (6.68 lb)

  • Installation

    DIN-rail mounting, Wall mounting (with optional kit), Rack mounting (with optional kit)

  • Operating Temperature

    -40 to 75°C (-40 to 167°F)

  • Storage Temperature (package included)

    -40 to 85°C (-40 to 185°F)

  • Ambient Relative Humidity

    5 to 95% (non-condensing)

  • Safety

    EN 62368-1, IEC 62368-1, UL 62368-1, IEC 60950-1, EN 61010-2-201, UL 61010-2-201

  • EMC

    EN 55032/35, EN 61000-6-2/-6-4

  • EMI

    CISPR 32, FCC Part 15B Class A

  • EMS

    IEC 61000-4-2 ESD: Contact: 8 kV; Air: 15 kV
    IEC 61000-4-3 RS: 80 MHz to 1 GHz: 20 V/m
    IEC 61000-4-4 EFT: Power: 4 kV; Signal: 4 kV
    IEC 61000-4-5 Surge: Power: 4 kV; Signal: 4 kV
    IEC 61000-4-6 CS: 10 V
    IEC 61000-4-8 PFMF
    IEC 61000-4-11

  • Railway

    EN 50121-4

  • Traffic Control

    NEMA TS2

  • Shock

    IEC 60068-2-27

  • Freefall

    IEC 60068-2-31

  • Vibration

    IEC 60068-2-6

  • Power Substation

    IEC 61850-3, IEEE 1613

  • Time

    794,532 hrs

  • Standards

    Telcordia SR332

Software, Firmware, and Drivers


Name Type Checksum Version Operating System Release Date
SNMP MIB File for MDS-G4000-L3-4XGS Series
398.2 KB
Software Package
Aug 31, 2022 Aug 31, 2022 Release notes
Firmware for MDS-G4000-L3-4XGS Series
66.3 MB
Aug 31, 2022 Aug 31, 2022 Release notes

Support Documents

Name Type Version Release Date
Datasheet for MDS-G4012-L3-4XGS Series
2.0 MB
Datasheet v1.0 Aug 31, 2022 Aug 31, 2022
QIG for MDS-G4000/MDS-G4000-L3-4XGS Series
4.2 MB
QIG v1.1 Aug 31, 2022 Aug 31, 2022
Moxa Managed Switch Next-generation OS (v3.x) Layer 3 Command Line Interface User Manual
1.5 MB
Manual v1.0 Aug 19, 2022 Aug 19, 2022
Moxa Managed Switch Next-generation OS (v3.x) Layer 2 User Manual
14.1 MB
Manual v1.0 Aug 19, 2022 Aug 19, 2022
Moxa Managed Switch Next-generation OS (v3.x) Layer 3 User Manual
2.6 MB
Manual v1.0 Aug 19, 2022 Aug 19, 2022
Moxa Managed Switch Next-generation OS (v3.x) Layer 2 Command Line Interface User Manual
3.1 MB
Manual v1.0 Aug 19, 2022 Aug 19, 2022

Available Models (1)

Show Images
moxa-mds-g4012-l3-4xgs-t-image.jpg | MoxaMDS-G4012-L3-4XGS-T
Total No. of Ports12
10G SFP+ Slots4
100/1000Base SFP SlotsUp to 8
10/100/1000BaseT(X) Ports RJ45 ConnectorUp to 8
10/100BaseT(X) Ports RJ45 ConnectorUp to 8
Operating Temp.-40 to 75°C
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MDS-G4012-L3-4XGS Series


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