Moxa
MDS-G4012-L3-T

MDS-G4012-L3-T

MDS-G4012-L3 Series

12G-port Layer 3 full Gigabit modular managed Ethernet switches

  • Layer 3 routing interconnects multiple LAN segments
  • Multiple interface type modules for greater versatility
  • Tool-free design for effortlessly adding or replacing modules without shutting down the switch
  • Ultra-compact size and multiple mounting options for flexible installation
  • Rugged die-cast design for use in harsh environments
  • Intuitive, HTML5-based web interface for a seamless experience across different platforms
  • High EMC immunity compliant with IEC 61850-3 and IEEE 1613
  • Hardware-based IEEE 1588 PTP for high-precision time synchronization

Certifications CE · FCC · NEMA TS2 · En50121 4

Ships from and sold by A5 IT, an authorized Moxa reseller.

Specifications

Ethernet Interface

Pre-installed Modules
4 embedded Gigabit ports
Module
2 slots for optional FE/GbE 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, PWR-LV-P48 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

Ethernet Software Features

Management
IPv4 Flow control Back Pressure Flow Control ARP RARP LLDP DHCP Relay Agent (Option 82) Fiber Check Port Mirroring (SPAN, RSPAN) Linkup Delay SMTP SNMP Trap SNMP Inform SNMPv1/v2c/v3 RMON TFTP SFTP HTTP HTTPS Telnet Syslog Private MIB Loopback interface
Filter
GMRP GVRP GARP 802.1Q VLAN IGMP Snooping v1/v2/v3 IGMP Querier
Redundancy Protocols
Link Aggregation MRP MRP Interconnection MSTP Multiple Dual Homing Multiple Network Coupling Network Loop Protection Ring Coupling RSTP STP Tracking Turbo Chain Turbo Ring v2
Routing Redundancy
VRRP
Security
Access control list Broadcast storm protection DHCP Snooping Dynamic ARP Inspection HTTPS/SSL IEEE 802.1AE MAC security IP Source Guard Login and Password Policy MAC authentication bypass MAC Sticky RADIUS Rate Limit SSH Static Port Lock TACACS+ Trust access control
Time Management
SNTP IEEE 1588v2 PTP (hardware-based) Supported power profiles: IEEE 1588 Default 2008, IEC 61850-9-3-2016, IEEE C37.238-2017 NTP Server/Client NTP Authentication
Protocols
802.1X ARP DNS HTTP HTTPS ICMP IPv4 NTP Client QoS RARP RMON SMTP SNMPv1/v2c/v3 Syslog TCP/IP Telnet TFTP UDP VLAN Assignment
Industrial Protocols
EtherNet/IP Modbus TCP PROFINET
Unicast Routing
OSPF Static Route
Multicast Routing
Multicast Local Route PIM-DM PIM-SM
MIB
P-BRIDGE MIB Q-BRIDGE-MIB IEEE8021-SPANNING-TREE-MIB IEEE8021-PAE-MIB IEEE8023-LAG-MIB LLDP-EXT-DOT1-MIB LLDP-EXT-DOT3-MIB SNMPv2-MIB RMON MIB Groups 1, 2, 3, 9
Power Substation
1588 PTP Power Profile C37.238-2017 1588 PTP Power Profile IEC 61850-9-3 GOOSE Check MMS

Switch Properties

MAC Table Size
16 K
Max. No. of VLANs
256
VLAN ID Range
VID 1 to 4094
IGMP Groups
1024
Jumbo Frame Size
9.216 KB
Priority Queues
8
Packet Buffer Size
12 Mbits

LED Interface

LED Indicators
PWR, EPS, STATE, SYNC, FAULT, MSTR/HEAD, CPLR/TAIL

Serial Interface

Console Port
RS-232 (RJ45)

USB Interface

USB Connector
USB Type A

Input/Output Interface

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
Buttons
Reset button

Power Parameters

Input Voltage
With PWR-HV-P48 installed: 110/220 VDC, 110 VAC, 60 HZ, 220 VAC, 50 Hz, PoE: 48 VDC With PWR-LV-P48 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 installed: 88 to 300 VDC, 90 to 264 VAC, 47 to 63 Hz, PoE: 46 to 57 VDC With PWR-LV-P48 installed: 18 to 72 VDC (24/48 VDC for hazardous location), PoE: 46 to 57 VDC (48 VDC for hazardous location) 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/PWR-HV-NP installed: Max. 0.42 A @ 110 VDC Max. 0.21 A @ 220 VDC Max. 0.62 A @ 110 VAC Max. 0.43 A @ 220 VAC With PWR-LV-P48/PWR-LV-NP installed: Max. 1.87 A @ 24 VDC Max. 0.94 A @ 48 VDC EPS (PoE models only): Max. 8.2 A @ 48 VDC Note: Maximum input current ratings are dependent on the installed power and interface modules. The listed values are based on the highest port density model in the MDS-G4000 Series fully slotted with the highest power consumption modules.
Power Consumption (Max.)
With PWR-HV-P48/PWR-HV-NP installed: Max. 45.8 W @ 110 VDC Max. 46.2 W @ 220 VDC Max. 45.7 W @ 110 VAC Max. 47.9 W @ 220 VAC With PWR-LV-P48/PWR-LV-NP installed: Max. 44.9 W @ 24 VDC Max. 44.9 W @ 48 VDC Note: Maximum power consumption ratings are dependent on the installed power and interface modules. The listed values are based on the highest port density model in the MDS-G4000 Series fully slotted with the highest power consumption modules.
Max. PoE Power Output per Port
IEEE 802.3at: up to 30 W (Up to 36 W in high-power mode) IEEE 802.3bt: up to 90 W (Only supported with LM-7000H-4PoE/-4GPoE modules HW rev 3.0.0 and later.)
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+/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+/PoE++ systems
Overload Current Protection
Supported
Reverse Polarity Protection
Supported

Physical Characteristics

IP Rating
IP40
Dimensions
134 x 115 x 163.25 mm (5.28 x 4.53 x 6.44 in)
Weight
2000 g (4.41 lb)
Installation
DIN-rail mounting Wall mounting (with optional kit) Rack mounting (with optional kit)

Environmental Limits

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)

Standards and Certifications

Safety
EN IEC 62368-1 IEC 60950-1 IEC 62368-1 UL 62368-1
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 Voltage Dips & Interruptions
Railway
EN 50121-4
Traffic Control
NEMA TS2
Shock
IEC 60068-2-27
Freefall
IEC 60068-2-31
Vibration
IEC 60068-2-6
Hazardous Locations
Class I Division 2 ATEX
Power Substation
IEEE 1613 IEC 61850-3

MTBF

Time
1,008,160 hrs
Standards
Telcordia Standard SR-332

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Documentation

NameTypeVersionDate
Software Package for MXview One Series (Linux version)552.6 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Software Package for MXview One Series (Windows version)249.1 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Firmware for MDS-G4000-L3 Series60.0 MBFirmwarev5.1Mar 30, 2026 Mar 30, 2026 Release notes
MIB file for MDS-G4000-L3 Series423.7 KBSoftware Packagev5.1Mar 30, 2026 Mar 30, 2026 Release notes
AOI file for MDS-G4000-L3 Series57.6 KBSoftware Packagev2.0Aug 01, 2025 Aug 01, 2025 Release notes
GSD file for MDS-G4000-L3 Series73.9 KBSoftware Packagev1.0Aug 01, 2025 Aug 01, 2025 Release notes
EDS file for MDS-G4000-L3 Series147.9 KBSoftware Packagev2.0Aug 01, 2025 Aug 01, 2025 Release notes
Firmware for MDS-G4000-L3 Series59.2 MBFirmwarev5.0Aug 01, 2025 Aug 01, 2025 Release notes
MIB file for MDS-G4000-L3 Series423.5 KBSoftware Packagev5.0Aug 01, 2025 Aug 01, 2025 Release notes
Firmware for MDS-G4000-L3 Series67.3 MBFirmwarev4.0Sep 26, 2023 Sep 26, 2023 Release notes
Software Package for MDS-G4000-L3 Series (MIB file)400.6 KBSoftware Packagev4.0Sep 26, 2023 Sep 26, 2023 Release notes
Moxa Managed Switch MX-NOS (v5.x) User Manual21.6 MBManualv1.3Jul 07, 2026
Moxa Managed Switch Next-generation OS (v5.x) Command Line Interface6.8 MBManualv1.1Jul 07, 2026
Datasheet for MDS-G4012-L3 Series932.0 KBDatasheetv1.7Mar 30, 2026
QIG for MDS-G4000/MDS-G4000-L3 Series1.6 MBQIGv1.9Mar 30, 2026
Moxa Managed Switch Next-generation OS (v4.x) Layer 2 User Manual24.9 MBManualv1.4Mar 20, 2026
FOSS Statement for MX-NOS v5.x233.7 KBDeclarationv1.1Aug 01, 2025
Moxa Managed Switch MX-NOS (v5.x) Command Line Interface User Manual6.8 MBManualv1.1Aug 01, 2025
FOSS Statement for Various MDS, MDS4XGS, RKS, EDS Series Products2.2 MBDeclarationv1.0Aug 14, 2024
Moxa Managed Switch Next-generation OS (v4.x) Layer 2 Command Line Interface User Manual5.4 MBManualv1.2Jun 26, 2024
Moxa Managed Switch Next-generation OS (v4.x) Layer 3 Command Line Interface User Manual1.6 MBManualv1.0Sep 26, 2023
Moxa Managed Switch Next-generation OS (v4.x) Layer 3 User Manual3.1 MBManualv1.0Jun 28, 2023
2D CAD for MDS-G4012-L3 Series1.6 MB2D CADJun 21, 2021

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