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Home Products Industrial Network Infrastructure Ethernet Switches Layer 2 Managed Switches RKS-G4028 Series RKS-G4028-4GT-LV-T
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.

RKS-G4028-4GT-LV-T
RKS-G4028 Series

Layer 2 modular managed Ethernet switch with 4 10/100/1000BaseT(X) ports, 3 slots for Ethernet modules, 1 isolated power supply (24/48 VDC), -40 to 75°C operating temperature

Input/Output Interface

  • Alarm Contact Channels

    • 1 relay output with current carrying capacity of 2 A @ 24 VDC

  • Buttons

    • Reset button
Ethernet Interface

  • 10/100/1000BaseT(X) Ports (RJ45 connector)

    • 4

  • Module

    • There are 3 module slots on the switch. Users can select different types of modules to insert into the switch. The modules that can be selected include 8-port/6-port modules with 10/100/1000BaseT(X), 10/100BaseT(X), 100/1000BaseSFP, or 100BaseFX (SC/ST connector) interfaces.

      Refer to Expansion Modules in the Accessories section for a full list of supported interface modules.

  • Standards

    • IEEE 802.1D-2004 for Spanning Tree Protocol
      IEEE 802.1p for Class of Service
      IEEE 802.1Q for VLAN Tagging
      IEEE 802.1s for Multiple Spanning Tree Protocol
      IEEE 802.1w for Rapid Spanning Tree Protocol
      IEEE 802.1X for authentication
      IEEE 802.3 for 10BaseT
      IEEE 802.3ab for 1000BaseT(X)
      IEEE 802.3ad for Port Trunk with LACP
      IEEE 802.3u for 100BaseT(X) and 100BaseFX
      IEEE 802.3x for flow control
      IEEE 802.3z for 1000BaseSX/LX/LHX/ZX
Ethernet Software Features

  • Management

    • ARP
      Back Pressure Flow Control
      DHCP Server/Client
      DHCP Relay Agent (Option 82)
      Fiber check
      Flow control
      HTTP
      HTTPS
      IPv4/IPv6
      Linkup Delay
      LLDP
      Private MIB
      Port Mirroring (SPAN, RSPAN)
      RARP
      RMON
      SFTP
      SMTP
      SNMP Trap
      SNMP Inform
      SNMPv1/v2c/v3
      Syslog
      Telnet
      TFTP

  • Filter

    • GMRP
      GVRP
      GARP
      802.1Q
      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

  • 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
      RADIUS
      Rate Limit
      Secure boot
      SSH
      Static port lock
      Sticky MAC
      TACACS+
      Trust access control

  • Time Management

    • IEEE 1588v2 PTP (hardware-based)
      NTP Authentication
      NTP Server/Client
      SNTP
      Supported power profiles: IEEE 1588 Default 2008, IEC 61850-9-3-2016, IEEE C37.238-2017

  • Protocols

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

  • Industrial Protocols

    • EtherNet/IP
      Modbus TCP
      PROFINET

  • 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
      1588 PTP Power Profile IEC 61850-9-3
      1588 PTP Power Profile C37.238-2017

      GOOSE Check
Switch Properties

  • IGMP Groups

    • 1024

  • Jumbo Frame Size

    • 9.216 KB

  • MAC Table Size

    • 16 K

  • Max. No. of VLANs

    • 256

  • Packet Buffer Size

    • 1.5 MB

  • Priority Queues

    • 8

  • VLAN ID Range

    • VID 1 to 4094
USB Interface

  • Storage Port

    • USB Type A
MicroSD Interface

  • Storage Port

    • microSD card
LED Interface

  • LED Indicators

    • PWR1, PWR2, STATE, FAULT, MSTR/HEAD, CPLR/TAIL, SYNC, EPS
Serial Interface

  • Console Port

    • RS-232 (RJ45)
Power Parameters

  • Total PoE Power Budget

    • 300 W

  • Max. PoE Power Output per Port

    • IEEE 802.3af: 15.4 W
      IEEE 802.3at: 30 W
      IEEE 802.3bt: 90 W

  • Input Voltage

    • 24/48 VDC

  • Operating Voltage

    • 18 to 72 VDC

  • Overload Current Protection

    • Supported

  • Reverse Polarity Protection

    • Supported

  • Input Current

    • Max. 2.53 A @ 24 VDC
      Max. 1.25 A @ 48 VDC

  • Power Consumption (Max.)

    • Max. 60.72 W @ 24 VDC
      Max. 60 W @ 48 VDC
Physical Characteristics

  • IP Rating

    • IP30

  • Dimensions

    • 440 x 44 x 296 mm (17.32 x 1.37 x 11.65 in)

  • Weight

    • 4900 g (10.80 lb)

  • Installation

    • Rack mounting
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

  • 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

  • Industrial Cybersecurity

    • IEC 62443-4-2 Security Level 2

  • Safety

    • EN IEC 62368-1
      IEC 60950-1
      IEC 62368-1
      UL 61010
      UL 62368-1

  • Power Substation

    • IEC 61850-3
      IEEE 1613

  • Railway

    • EN 50121-4

  • Traffic Control

    • NEMA TS2

  • Shock

    • IEC 60068-2-27

  • Vibration

    • IEC 60068-2-6

  • Freefall

    • IEC 60068-2-32
MTBF

  • Time

    • 548,589 hrs

  • Standards

    • Telcordia (Bellcore), GB
Warranty

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