Teltonika SWM281 24-port L2 Gigabit Ethernet Mananaged Switch

Teltonika SWM281 24-port L2 Gigabit Ethernet Mananaged Switch

The 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.

Technical Specifications

Ethernet & Fiber
24 x RJ45 Ethernet ports, 10/100/1000 Mbps, supports auto MDI/MDIX
4 x SFP ports
IEEE 802.3 standards supported: 802.3i, 802.3u, 802.3ab, 802.3x, 802.3az

Industrial Protocols
Profinet Class B (optional order code)
EtherNet/IP supported

Network Management & Services
SNMP V2, V3
LLDP
802.1p class of service, 802.1x port-based network access control, 802.1Q VLAN
Dynamic routing: BGP, OSPF v2, RIP v1/v2, EIGRP
MRP client and manager roles
Loop protection, forwarding table, VLAN, STP/RSTP
DHCP server/client, static leases with MAC wildcards
Port enable/disable, link speed control, port isolation, EEE (802.3az) management, port mirroring
Static IPv4 & IPv6 routing, DHCPv6 client, static IPv6 address
QoS: port priority, DSCP priority, 802.1p priority, TOS
Scheduling: SP/WFQ/WRR
Rate limiting, storm control, port-based traffic shaping

Diagnostics & Security
Cable diagnostic, ping, traceroute, nslookup
Authentication: PAM, preshared key, Radius & TACACS+, IP & login attempts block
Port VLAN separation, 802.1x client & server, MAC filtering
Teltonika Networks Web API support

System Characteristics
CPU: Realtek, single core, 500MHz, MIPS-4KEc
RAM: 128MB DDR3
FLASH: 16MB serial flash
Operating System: SwmOS (OpenWrt based Linux OS)
Languages: Busybox shell, Lua, C, C++
SDK & Package Manager included

Firmware & Configuration
WEB UI for firmware update, configuration backup, profiles
FOTA support
RMS: update multiple devices at once
Keep settings: update firmware without losing configuration
Factory reset restores all settings including IP, PIN, user data

Performance Specifications
Non-blocking bandwidth: 56 Gbps
Forwarding rate: 83.33 Mpps
Packet buffer: 512 KB
MAC address table: 8K entries
Jumbo frame support: 10,000 bytes

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

Physical Interfaces & Indicators
Ethernet: 24 x RJ45
Fiber: 4 x SFP
LEDs: 1 Power, 48 ETH status, 1 Status, 4 SFP status
Reset: software reset button
Grounding: 1 screw

Physical Specifications
Casing: Anodized aluminum housing and panels
Dimensions (W x H x D): 483 x 44 x 234 mm
Weight: 1853 g
Mounting: Rack kit included

Operating Environment
Temperature: 0 °C to 50 °C
Humidity: 10% to 90% non-condensing
Ingress Protection: IP30

Regulatory Approvals
CE, UKCA, CB, RCM, FCC, IC