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MOXA

Layer 2 Managed Switches

Moxa's Layer 2 managed switches feature industrial-grade reliability, network redundancy, and security features based on the IEC 62443 standard. We offer toughened, industry-specific products with multiple industry certifications, such as parts of the EN 50155 standard for rail applications, IEC 61850-3 for power automation systems, and NEMA TS2 for intelligent transportation systems.

MDS-G4020-T
MDS-G4020 Series

Layer 2 full Gigabit modular managed Ethernet switch with 4 fixed Gigabit Ethernet ports, 4 slots for optional 4-port GE/FE modules, 2 slots for isolated power modules, up to 20 Gigabit Ethernet ports, -40 to 75°C operating temperature

Ethernet Interface
  • Pre-installed Modules

    • 4 embedded Gigabit ports
  • Module

    • 4 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, 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/IPv6
      Flow control
      Back Pressure Flow Control
      DHCP Server/Client
      ARP
      RARP
      DHCP Relay Agent (Option 82)
      Fiber check
      Port Mirroring (SPAN, RSPAN)
      Linkup Delay
      LLDP
      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
      MRP
      MSTP
      Network Loop Protection
  • Security

    • Access control list
      Broadcast storm protection
      DHCP Snooping
      Dynamic ARP Inspection
      IP Source Guard
      Rate Limit
      Trust access control
      MAC authentication bypass
      MAC Sticky
      Static Port Lock
      HTTPS/SSL
      SSH
      RADIUS
      TACACS+
      Login and Password Policy
  • Time Management

    • SNTP
      NTP Server/Client
      NTP Authentication
  • Protocols

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

    • 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
Serial Interface
  • Console Port

    • RS-232 (TxD, RxD, GND), 8-pin RJ45 (115200, n, 8, 1)
USB Interface
  • USB Connector

    • USB Type A (Reserved)
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
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. 0.30 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
Physical Characteristics
  • 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)
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 62368-1
      IEC 62368-1
      UL 62368-1
      IEC 60950-1
  • 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
  • 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

    • ATEX
      Class I Division 2
  • Power Substation

    • IEEE 1613
      IEC 61850-3
MTBF
  • Time

    • 1,007,790 hrs
  • Standards

    • Telcordia SR332
Warranty
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