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SWM281

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 Features

ETHERNET
Fiber connectivity with 4 x SFP ports.

IEEE 802.3 SERIES STANDARDS
Supports 802.3i, 802.3u, 802.3ab, 802.3x, and 802.3az standards.

ETH
Multi-layer managed 24 x ETH ports, 10/100/1000 Mbps, supports auto MDI/MDIX crossover.

INDUSTRIAL PROTOCOLS
Profinet Class B conformance available with optional order code.

SERVICES
EtherNet/IP supported.

SNMP
Supports SNMP V2 and V3.

LLDP
Supported.

NETWORK MANAGEMENT
Includes 802.1p class of service, 802.1x port-based network access control, and 802.1Q VLAN.

NETWORK ROUTING
Supports dynamic routing including BGP, OSPF v2, RIP v1/v2, and EIGRP.

MRP
Supports MRP client and MRP manager roles.

L2 FEATURES
Loop protection, forwarding table, VLAN, STP/RSTP.

DHCP
DHCP server, DHCP client, and DHCP static leases capable of using MAC with wildcards.

PORT SETTINGS
Enable/disable ports, link speed control, port isolation, EEE (802.3az) management, and port mirroring.

L3 FEATURES
Static IPv4 routing, static IPv6 routing, DHCPv6 client, static IPv6 address.

QOS
Port priority, DSCP priority, 802.1p priority, TOS. Scheduling method: SP/WFQ/WRR. Bandwidth control includes rate limiting and storm control. Traffic shaper supports port-based shaping.

DIAGNOSTICS
Tools include cable diagnostic, ping, traceroute, and nslookup.

SECURITY
Authentication via PAM preshared key, Radius & TACACS+, IP & login attempts block. VLAN supports port separation. 802.1x port-based network access control client and server. MAC filtering allows specific MAC addresses and blocks unauthorized access.

API
Teltonika Networks Web API (beta) support with configurable endpoints for data retrieval and control.

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: Supports firmware update. RMS: Update FW/configuration for multiple devices. Keep settings: Update FW without losing configuration. Factory settings reset: Restores all system settings including IP, PIN, and user data.

FIRMWARE CUSTOMISATION
Operating system: TSWOS (OpenWrt based Linux OS). Supported languages: Busybox shell, Lua, C, C++. Development tools: SDK package with build environment. Package Manager: Installs additional software.

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

PHYSICAL INTERFACES
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 SPECIFICATION
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
Certified for CE, UKCA, CB, RCM, FCC, and IC.

High-Density Port Configurations

Scalable 8/24/48-port models deliver robust throughput and flexible uplink options to support growing network demands and high-density deployments.

Advanced Switching & QoS

Layer 2/Layer 3 switching with enterprise-grade QoS, VLANs, and traffic prioritization ensures predictable latency for voice, video and critical services.

PoE/PoE+ with Intelligent Power Management

Integrated PoE/PoE+ across models with per-port power allocation and scheduling simplifies deployments for cameras, APs and IoT devices.

Resilience, Security & Central Management

Built-in redundancy, secure management (802.1X, RADIUS), and centralized management tools provide operational visibility and simplified maintenance.

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