TELTONIKA Industrial 24-Port L2+ Managed Switch

The SWM281 is a managed L2 network hub with additional L3 functionality. With 24 Gigabit Ethernet ports and 4 dedicated SFP connectors, it delivers high-speed performance and reliable connectivity in large-scale deployments. Supporting PROFINET and other industrial protocols, this professional-grade 24-port hub ensures seamless integration into automated environments.

EthernetFiber: 4 x SFP ports IEEE 802.3 series standards: 802.3i, 802.3u, 802.3ab, 802.3x, 802.3az ETH: Multi-layer managed 24 x ETH ports, 10/100/1000 Mbps, supports auto MDI/MDIX crossover

Industrial ProtocolsProfinet: Profinet Class B conformance (available with optional order code)

ServicesEtherNet/IP: Yes SNMP V2, V3: Yes LLDP: Yes Network Management: 802.1p class of service, 802.1x port-based network access control, 802.1Q VLAN

NetworkRouting: Dynamic routing (BGP, OSPF v2, RIP v1/v2, EIGRP) MRP: MRP client role, MRP manager role L2 features: Loop protection, Forwarding table, VLAN, STP/RSTP DHCP: DHCP server, DHCP client, DHCP static leases capable of using MAC with wildcards Port Settings: Enable/disable, link speed control, port isolation, EEE (802.3az) management, Port Mirroring L3 Features: Static IPv4 routing, static IPv6 routing, DHCPv6 client, static IPv6 address

QoSQOS: Port priority, DSCP priority, 802.1p priority, TOS Scheduling method: SP/WFQ/WRR Bandwidth control: Rate limiting, storm control Traffic Shaper: Port-based shaping

DiagnosticsTools: Cable diagnostic, ping, traceroute, nslookup

SecurityAuthentication: PAM — preshared key, Radius TACACS+, IP login attempts block VLAN: Port VLAN separation 802.1x: Port-based network access control client and server MAC filtering support: Allow specific MAC addresses to connect through specified ports, ignore unauthorized or disable the port if an unauthorized MAC address is detected

APITeltonika Networks Web API (beta) support: Expand your device's possibilities by using a set of configurable API endpoints to retrieve or change data. For more information, please refer to this documentation: https://developers.teltonika-networks.com

System CharacteristicsCPU: Realtek, single core, 500MHz, MIPS-4KEc RAM: 128MB, DDR3 FLASH storage: 16 MB serial flash

Firmware / ConfigurationWEB UI: Update FW from file, check FW on server, configuration profiles, configuration backup FOTA: Update FW RMS: Update FW/configuration for multiple devices at once Keep settings: Update FW without losing current configuration Factory settings reset: A full factory reset restores all system settings, including the IP address, PIN, and user data to the default manufacturer's configuration

Firmware CustomizationOperating system: TSWOS (OpenWrt based Linux OS) Supported languages: Busybox shell, Lua, C, C++ Development tools: SDK package with build environment provided Package Manager: The Package Manager is a service used to install additional software on the device

Performance SpecificationsBandwidth (Non-blocking): 56 Gbps Forwarding rate: 83.33 Mpps Packet buffer: 512 KB MAC address table size: 8K entries Jumbo frame support: 10000 bytes

PowerConnector: C14 connector Input voltage range: 100-240 VAC, 50/60 Hz Power consumption: Idle: 5.5 W / Max: 20 W

Physical InterfacesEthernet: 24 x RJ45 ports, 10/100/1000 Mbps Fiber: 4 x SFP ports Status LEDs: 1 x Power LED, 48 x ETH status LEDs, 1 x Status LED, 4 x SFP status LEDs Power: 1 x C14 connector Reset: Software reset button Other: 1 x Grounding screw

Physical SpecificationCasing material: Anodized aluminum housing and panels Dimensions (W x H x D): 483 x 44 x 234 mm Weight: 1853 g Mounting options: Rack mounting kit

Operating EnvironmentOperating temperature: 0 °C to 50 °C Operating humidity: 10% to 90% non-condensing Ingress Protection Rating: IP30

Regulatory Type ApprovalsRegulatory: CE, UKCA, CB, RCM, FCC, IC