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Teltonika SWM281 Gigabit Ethernet managed switch
The Teltonika SWM281 is an L2 managed switch with added L3 functionality, tailored for complex networking scenarios. With 24 Gigabit Ethernet ports and 4 dedicated SFP ports, it delivers high-bandwidth performance and reliable fibre optic communication for large-scale deployments. With support of PROFINET & other industrial protocols, this enterprise-grade 24-port switch ensures smooth integration into automated environments.
L2+ Advanced routing protocols & VLAN segmentation
Hybrid Connectivity 24 Gigabit Ethernet with 4 SFP ports for density and long-distance connectivity
Cloud-Enabled Shipped with 2 years of RMS Management
Protocols Profinet, MRP, and EtherNet/IP for mixed industrial environments
| ETHERNET | |
| Fiber | 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 PROTOCOLS | |
| Profinet | Profinet Class B conformance (available with optional order code) |
| SERVICES | |
| EtherNet/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 |
| NETWORK | |
| Routing
| 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 |
| QoS | |
| QOS | Port priority, DSCP priority, 802.1p priority, TOS |
| Scheduling method | SP/WFQ/WRR |
| Bandwidth control | Rate limiting, storm control |
| Traffic Shaper | Port-based shaping |
| DIAGNOSTICS | |
| Tools | Cable diagnostic, ping, traceroute, nslookup |
| SECURITY | |
| Authentication | 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 |
| API | |
| Teltonika 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 CHARACTERISTICS | |
| CPU | Realtek, single core, 500MHz, MIPS-4KEc |
| RAM | 128MB, DDR3 |
| FLASH storage | 16 MB serial flash |
| FIRMWARE/ CONFIGURATION | |
| WEB 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 CUSTOMISATION | |
| Operating 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 SPECIFICATIONS | |
| Bandwidth (Non-blocking) | 56 Gbps |
| Forwarding rate | 83.33 Mpps |
| Packet buffer | 512 KB |
| MAC address table size | 8K entries |
| Jumbo frame support | 10000 bytes |
| POWER | |
| Connector | C14 connector |
| Input voltage range | 100-240 VAC, 50/60 Hz |
| Power consumption | Idle: 5.5 W / Max: 20 WQ |
| PHYSICAL INTERFERENCE | |
| Ethernet | 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 SPECIFICATIONS | |
| Casing 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 ENVIRONMENT | |
| Operating temperature | 0 °C to 50 °C |
| Operating humidity | 10% to 90% non-condensing |
| Ingress Protection Rating | IP30 |
| REGULATORY & TYPE APPROVALS | |
| Regulatory | CE, UKCA, CB, RCM, FCC, IC |
