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ISM5020D
Industrial Ethernet Switch

This managed Layer 3 industrial Ethernet switch provides 16 10/100/1000Base-T ports and 4 multi-rate 100/1000/2500Base-X SFP slots for high-density industrial network deployments.

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Managed Layer 3 Industrial Ethernet Switching

AAdvanced Layer 3 Network Services

Provides Layer 3 routing services including dynamic routing, gateway redundancy, and multicast control for scalable industrial networks.

Industrial Network Redundancy

Supports industrial Ethernet redundancy mechanisms including STP, RSTP, and MSTP to enhance network availability.

High Availability Monitoring

Supports real-time local and remote monitoring of critical operating parameters, including power-off alarms (Dying Gasp) via SNMP.

Flexible Self-Healing Ring Topology

Allows any two ports to form self-healing ring topologies, supporting multiple independent rings over fiber, copper, or mixed media.

Wide Temperature Operation

Features a fanless design supporting operation across a wide temperature range from -40°C to +85°C for unattended industrial sites.

Broad protocol support

Redundant DC Power Inputs

Supports isolated redundant dual DC power inputs to enhance power reliability in industrial installations.

  • Key Technical Specifications
    Certifications CE, FCC, IEC61850-3
    Dimensions / Weight 130 mm x 140 mm x 110 mm; 1.3 kg
    EMC FCC Part 15 Class A; IEC 61000-4-2/3/4/5/6/8/11/12
    Environment -40 to +85 °C operating; IP40
    Management Web, CLI, SNMPv1/v2c/v3, RMON; ERPS/MRP/RSTP/MSTP, IGMP, VLAN, QoS 8 queues
    Ports 16 x 10/100/1000BaseT + 4 x 100/1000/2500BaseX SFP
    Power 18~60 VDC redundant dual input
    Switching Performance 68 Gbps backplane bandwidth; 16K MAC table; 1G RAM
    Type Layer 3 Managed Industrial Ethernet Switch
  • IEEE Standards
    IEEE 802.1ab Link Layer Discovery Protocol
    IEEE 802.1d Spanning Tree Algorithm
    IEEE 802.1p Class of Service
    IEEE 802.1q VLAN tagging
    IEEE 802.1s Multiple Spanning Tree
    IEEE 802.1w Rapid Spanning Tree
    IEEE 802.1x Authentication
    IEEE 802.3 Ethernet
    IEEE 802.3ac VLAN Tagging
    IEEE 802.3ad Link Aggregation
    IEEE 802.3u Fast Ethernet
    IEEE 802.3x Flow Control
    IEEE 802.3z Gigabit Ethernet
  • RFC Standards
    RFC 1027 Using ARP to Implement Transparent Subnet Gateways
    RFC 1058 RIP
    RFC 1059, 1119 NTPv1/2
    RFC 1112 IGMP
    RFC 1191 Path MTU Discovery
    RFC 1256 ICMP Router discovery protocol
    RFC 1267 A Border Gateway Protocol 3 (BGP-3)
    RFC 1388 RIP Version 2 Carrying Additional Information
    RFC 1403 BGP OSPF Interaction
    RFC 1519 CIDR (Classless Inter-domain Routing)
    RFC 1587 OSPF NSSA
    RFC 1812 Requirements for IP Version 4 Routers
    RFC 1994 PPP Challenge Handshake Authentication Protocol (CHAP)
    RFC 2068 HTTP
    RFC 213 DHCP Server
    RFC 2138 RADIUS
    RFC 2139 RADIUS Accounting
    RFC 2236 IGMPv2
    RFC 2328 OSPF V2
    RFC 2338 VRRP
    RFC 2370 The OSPF Opaque LSA Option
    RFC 2474 DiffServ Precedence
    RFC 2475 DiffServ Core and Edge Router Functions
    RFC 2597 DiffServ Assured Forwarding
    RFC 2598 DiffServ Expedited Forwarding
    RFC 2644 Directed Broadcasts
    RFC 2865 Remote Authentication Dial User Service (RADIUS)
    RFC 3046 DHCP Relay Agent Information Option
    RFC 3222 Forwarding Information Base (FIB)
    RFC 768 UDP
    RFC 791 IP
    RFC 792 ICMP
    RFC 793 TCP
    RFC 826 ARP
    RFC 854 Telnet Client & Server
    RFC 862 Echo Protocol
    RFC 863 Discard Protocol
    RFC 904 Exterior Gateway Protocol Formal Specification
  • Other Protocols
    GMRP GARP
    GVRP GARP
    IGMP Snooping
    SNMPv3 Supported
    SSH2 Secure Shell 2
  • Physical Performance
    Cooling Method Fanless cooling
    Dimensions (W × D × H) 130 mm × 140 mm × 110 mm
    Enclosure Fully enclosed seamless metal enclosure
    Humidity 5 ~ 95% (non-condensing)
    Ingress Protection IP40
    Mounting Method DIN-rail mounting
    Operating Temperature -40 °C ~ +85 °C
    Storage Temperature -40 °C ~ +85 °C
    Weight 1.3 kg
  • Hardware Performance
    Backplane Bandwidth 68 Gbps
    Exchange Rate 148,800 pps/100M ports; 1,488,000 pps/1000M ports
    Flash 32M
    MAC Table Size 16K
    Packet Buffer Size 4 Mbits
    RAM 1G
    Transmission Mode Parallel Storage Forwarding
  • Power Parameters
    Input Voltage 18-60 VDC Redundant dual input
    Overload Current Protection Supported
    Reverse Polarity Protection Supported
  • Electromagnetic Characteristics
    EMI FCC 47 CFR Part 15 Class A; EN55022 Class A
    EMS IEC(EN)61000-4-2, Class 4 IEC(EN)61000-4-3, Class 3 IEC(EN)61000-4-4, Class 3 IEC(EN)61000-4-5, Class 4 IEC(EN)61000-4-6, Class 3 IEC(EN)61000-4-8, Class 5 IEC(EN)61000-4-11, Class 4 IEC(EN)61000-4-12, Class 3
  • Mechanical Characteristics
    Freefall IEC60068-2-31
    Shock IEC60068-2-27
    Vibration IEC60068-2-6
  • Certifications
    Certifications CE, FCC, IEC61850-3
  • Quality Assurance
    MTBF 35 years
    Warranty Period 5 years
  • Software Specifications
    Diagnostic Mode Indicator light, journal file, relay, RMON, port mirroring, TRAP
    Management Mode Web, serial port, STD-17 MIB-II, STD-58 SMIv2, STD-59 RMON, STD-62 SNMPv3, SNMPv2c, SNMPv1, RFC2925 Ping MIB
    Others 4K VLANS ID, 256 Active VLANS, IPv4/IPv6 multicast, storm control, MC/BC protection, support Jumbo Frame, HTTPS, SSHv2, and SFTP, supports QoS 8 queues
    Redundancy ERPS, MRP, RSTP, MSTP, Port Trunking
    Time Synchronization SNTP
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Standard package*

  • ISM5020D Managed Industrial Switch *1

* Standard package contents vary by standard order codes.

Contact us directly to learn more about our packaging options.

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Frequently Asked Questions

What is the ISM5020D?

The ISM5020D is a Layer 3 managed 20-port industrial Gigabit Ethernet switch with 16× Gigabit copper + 4× 100/1000/2500BaseX SFP uplinks. Fanless, IP40, DIN-rail mounted, redundant 18–60 V DC dual power input. 68 Gbps backplane, 16K MAC table. Operating temperature −40 °C to +85 °C. Certifications: CE, FCC, IEC 61850-3. Supports static routing, RIP, OSPF, VRRP, DHCP server, and sFlow.

Mount on a 35 mm DIN rail. Connect redundant 18–60 V DC power inputs. Sized for substation and large industrial automation cabinets, the ISM5020D’s 130×140×110 mm enclosure includes 16 Gigabit copper ports plus 4 SFP slots for fiber uplinks or 2.5G aggregation links.

Connect your PC directly to any copper port, set the PC’s IP to 192.168.2.2, and go to http://192.168.2.1 . Log in with the device-label credentials. Both HTTP and HTTPS are enabled by default.

Go to L3 Configuration > IP Interface to define a Layer 3 IP on a VLAN interface. For dynamic routing, go to L3 Configuration > Routing Protocols and enable RIP or OSPF. Use L3 > VRRP for first-hop gateway redundancy between paired ISM5020D switches. Use L3 > DHCP Server to provide DHCP service to a downstream subnet, with optional DHCP snooping and Dynamic ARP Inspection for security.

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