MDS-G4020-L3 Series

20G-port Layer 3 full Gigabit modular managed Ethernet switches

moxa-mds-g4020-l3-series-image-1-(1).jpg | Moxa

moxa-mds-g4020-l3-series-image-2-(1).jpg | Moxa

Features and Benefits

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

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Introduction

The MDS-G4020–L3 Series modular switches support up to 20 Gigabit ports, including 4 embedded ports, 4 interface module expansion slots, and 2 power module slots to ensure sufficient flexibility for a variety of applications. The highly compact MDS-G4000–L3 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 types of interface modules (RJ45, SFP, and PoE+) and power units (24/48 VDC, 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-G4000–L3 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-G4000 Series can reliably operate in tough and hazardous environments such as power substations, mining sites, ITS, and oil and gas applications. Support for dual power modules provides redundancy for high reliability and availability while LV and HV power module options offer additional 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-G4000–L3 Series features an HTML5–based, user-friendly web interface providing a responsive, smooth user experience across different platforms and browsers.

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Pre-installed Modules

4 embedded Gigabit ports
Module

4 slots for optional 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, 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

Management

IPv4
Flow control
Back Pressure Flow Control
ARP
DHCP Relay Agent (Option 82)
Fiber check
RARP
LLDP
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
Turbo Chain
Turbo Ring v2
Tracking
Routing Redundancy

VRRP
Security

Access control list
Broadcast storm protection
DHCP Snooping
Dynamic ARP Inspection
IEEE 802.1AE MAC security
HTTPS/SSL
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

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 Indicators

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

Console Port

RS-232 (RJ45)

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
Buttons

Reset button

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. 0.30 A @ 110 VDC
Max. 0.15 A @ 220 VDC
Max. 0.60 A @ 110 VAC
Max. 0.40 A @ 220 VAC

With PWR-LV-P48/PWR-LV-NP installed:
Max. 1.5 A @ 24 VDC
Max. 0.75 A @ 48 VDC

EPS (PoE models only):
Max. 8.2 A @ 48 VDC

Note: These are the input current ratings for the device with the maximum number of modules installed.
Power Consumption (Max.)

With PWR-HV-P48/PWR-HV-NP installed:
Max. 33.0 W @ 110 VDC
Max. 34.0 W @ 220 VDC
Max. 35.8 W @ 110 VAC
Max. 38.0 W @ 220 VAC

With PWR-LV-P48/PWR-LV-NP installed:
Max. 36.0 W @ 24 VDC
Max. 36.0 W @ 48 VDC

Note: These are the maximum power consumption ratings for the device with the maximum number of modules installed.
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
Overload Current Protection

Supported
Reverse Polarity Protection

Supported

IP Rating

IP40
Dimensions

176 x 115 x 163.25 mm (6.93 x 4.53 x 6.44 in)
Weight

2500 g (5.51 lb)
Installation

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

Operating Temperature

Standard Temp Models: -10 to 60°C (14 to 140°F)
Wide Temp Models: -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 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

Time

1,007,790 hrs
Standards

Telcordia Standard SR-332

Warranty Period

5 years
Details

See www.moxa.com/warranty

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Software, Firmware, and Drivers

Name	Type	Checksum	Version	Operating System	Release Date
Software Package for MXview One Series (Windows version) 240.7 MB	Software Package	C9CA47BD9F8DF8572A4BE0057160CE238783FAA7E17FEFF184E3D5FF4092BD47C152C69E8A8F611E0A5EE3DF4A4F319AEAA70E2F1539DC467FAAECE541E52226 SHA-512	v1.6.1	Windows 10 Windows 11 Windows Server 2016 Windows Server 2019 Windows Server 2022	Sep 05, 2025 Sep 05, 2025 Release notes
Software Package for MXview One Series (Linux version) 554.4 MB	Software Package	D87455B0269026E60219AF682DDF8AB130474AF29FB83160381C5FB4E6F2D9725CA6129EE057C16ADDAD9C6D343F6B403AAC4D18D9528FAD22A7DA60D6044392 SHA-512	v1.6.1	Ubuntu 18.04 Ubuntu 20.04 Ubuntu 22.04	Sep 05, 2025 Sep 05, 2025 Release notes
GSD file for MDS-G4000-L3 Series 73.9 KB	Software Package	5EB90A61BB28A9E1CEFF1431A38FB85E322100D56C9C92773CC7EA378617D2840719EE8FACCDB575A29BA342B14B2AC4304CC9818AA1FEF9A993EB4FD82334AB SHA-512	v1.0		Aug 01, 2025 Aug 01, 2025 Release notes
AOI file for MDS-G4000-L3 Series 57.6 KB	Software Package	454534119AF4A277D71B442E8AF6AC1976A50AE4C9D090956536E026D30D6FC49239C61B9E75AE297B440A2844B4AB37AF6A137CDCA9BCDE0A327C63A030C483 SHA-512	v2.0		Aug 01, 2025 Aug 01, 2025 Release notes
Firmware for MDS-G4000-L3 Series 59.2 MB	Firmware	9B48DCB41B31398B7AB7E6AE4215430C19DB9B734E2A47FF27D2A68857C266DBE29DC6308F5FD7D4A88BD17E0E3958E4DCAC7FF6559EF7CB31022797827B5B90 SHA-512	v5.0		Aug 01, 2025 Aug 01, 2025 Release notes
MIB file for MDS-G4000-L3 Series 423.5 KB	Software Package	B31D213CB5C64BDA6978D8646D102F645B023172C05260011023A51CECEA4F5714BE13E07AD5F1D52D3C4CB9E8E8AD3D25BA3ED69AA676E6FEB6063311429272 SHA-512	v5.0		Aug 01, 2025 Aug 01, 2025 Release notes
EDS file for MDS-G4000-L3 Series 147.9 KB	Software Package	F63355EC865EACFC9DF0C1DA3D3200E5B0021C63ABC764F983B9D46BB761F1CA2D675E2CE037F087537987B9FDC557C11708E555D0EA2E7AFC721E1F0EFA8694 SHA-512	v2.0		Aug 01, 2025 Aug 01, 2025 Release notes
Software Package for MDS-G4000-L3 Series (MIB file) 400.6 KB	Software Package	C20EDABAEFA03FA9F822910EFBC9047762F917BC530AA7C928D1123AD8B87175E508E5A3A45C1EA25D66D73BDB123D2D81AD01FFD27C6113747BB4462CC4BE5C SHA-512	v4.0		Sep 26, 2023 Sep 26, 2023 Release notes
Firmware for MDS-G4000-L3 Series 67.3 MB	Firmware	9BFFC9C43C6030E74E9369FE9850E7E3AB12C3FA8E49A02720A9F456F5DFC075FE69BB71FE493F6B5E74DC97BE294ED5A9F1B9F8FC71FE0EB56BD5FD036D9D31 SHA-512	v4.0		Sep 26, 2023 Sep 26, 2023 Release notes

Support Documents

Name	Type	Version	Release Date
QIG for MDS-G4000/MDS-G4000-L3 Series 1.7 MB	QIG	v1.8	Aug 01, 2025 Aug 01, 2025
FOSS Statement for MX-NOS v5.x 1.2 MB	Declaration	v1.1	Aug 01, 2025 Aug 01, 2025
Moxa Managed Switch MX-NOS (v5.x) Command Line Interface User Manual 6.8 MB	Manual	v1.1	Aug 01, 2025 Aug 01, 2025
Datasheet for MDS-G4020-L3 Series 1.3 MB	Datasheet	v1.6	Aug 01, 2025 Aug 01, 2025
Moxa Managed Switch MX-NOS (v5.x) User Manual 23.3 MB	Manual	v1.1	Aug 01, 2025 Aug 01, 2025
FOSS Statement for Various MDS, MDS4XGS, RKS, EDS Series Products 2.2 MB	Declaration	v1.0	Aug 14, 2024 Aug 14, 2024
Moxa Managed Switch Next-generation OS (v4.x) Layer 2 Command Line Interface User Manual 5.4 MB	Manual	v1.2	Jun 26, 2024 Jun 26, 2024
Moxa Managed Switch Next-generation OS (v4.x) Layer 2 User Manual 18.7 MB	Manual	v1.3	Jun 26, 2024 Jun 26, 2024
Moxa Managed Switch Next-generation OS (v4.x) Layer 3 Command Line Interface User Manual 1.6 MB	Manual	v1.0	Sep 26, 2023 Sep 26, 2023
Moxa Managed Switch Next-generation OS (v4.x) Layer 3 User Manual 3.1 MB	Manual	v1.0	Jun 28, 2023 Jun 28, 2023
2D CAD for MDS-G4020-L3 Series 1.8 MB	2D CAD		Jun 21, 2021 Jun 21, 2021

Industrial Network Infrastructure Brochure

Available Models (2)

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	Compare MDS-G4020-L3	Compare MDS-G4020-L3-T
Layer	3	3
Total No. of Ports	20	20
100/1000BaseSFP Slots	Up to 16	Up to 16
10/100/1000BaseT(X) Ports (RJ45 Connector)	Up to 20	Up to 20
PoE 10/100/1000BaseT(X) Ports (RJ45 Connector)	Up to 16	Up to 16
10/100BaseT(X) Ports (RJ45 Connector)	Up to 16	Up to 16
PoE 10/100BaseT(X) Ports (RJ45 Connector)	Up to 16	Up to 16
Operating Temp.	-10 to 60°C	-40 to 75°C
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