TELTONIKA switch managed SWM281 24x1 GB RJ45, 4x1 GB SFP

The TELTONIKA SWM281 is a high-performance managed industrial Ethernet switch designed for demanding environments. With 24 Gigabit RJ45 ports and 4 Gigabit SFP fiber slots, it provides robust connectivity for industrial networks. Its compact, fanless design ensures silent operation and reliability in extreme temperatures from -40°C to 75°C.

Advantages

This switch offers advanced Layer 2 management features including VLAN, QoS, STP/RSTP/MSTP, LACP, and IGMP Snooping. Security is enhanced with port security, DHCP snooping, IP-MAC-port binding, and support for RADIUS and TACACS+. The non-blocking switching capacity of 20 Gbps ensures smooth data flow, while jumbo frame support up to 9K bytes optimizes large data transfers.

Suitable for

• Industrial automation and control systems
• Smart manufacturing and Industry 4.0
• Transportation and utility networks
• Security and surveillance systems
• Any environment requiring reliable, managed Ethernet connectivity

Key specifications

• 24 x 10/100/1000 Mbps RJ45 ports
• 4 x 1000 Mbps SFP fiber ports
• Switching capacity: 20 Gbps (non-blocking)
• MAC address table: 8K entries
• Packet buffer: 512 KB
• Jumbo frame support: 9K bytes
• Power input: 7-57 VDC via 4-pin industrial DC socket
• Max power consumption: 9 W
• Operating temperature: -40°C to 75°C
• Mounting: DIN rail or wall mount
• Housing: Anodized aluminum, IP30 protection
• Management: Web UI, CLI (SSH, Telnet), SNMP, RMON

Recommendations

For optimal performance, use with industrial-grade SFP modules and ensure proper power supply within 7-57 VDC range. The switch is designed for fanless operation, so ensure adequate ventilation in enclosed spaces.