SIEMENS SCALANCE XB205-3LD – 6GK5205-3BF00-2TB2
Managed Layer 2 Industrial Ethernet switch featuring 5x 10/100 Mbps RJ45 ports and 3x 100 Mbps single-mode SC fiber ports for long-distance transmission up to 26 km. Includes diagnostics LEDs, redundant 24 V DC supply, 1x RS232 console port, and IEC 62443-4-2 certification. DIN-rail mountable with default EtherNet/IP protocol (software-switchable to PROFINET).
Overview
The SCALANCE XB205-3LD is designed for extended-reach industrial networking in harsh environments, supporting ring, line, or star topologies.
- Up to 26 km range with SC single-mode fiber
- Software-configurable for EtherNet/IP and PROFINET (default: EtherNet/IP)
- SNMP, web server, and CLI access for diagnostics and parameterization
- Diagnostics via on-device LEDs: power, link, data traffic
- Certified to IEC 62443-4-2 for secure automation applications
Product Variants
- XB205-3LD (this unit): 5x RJ45 + 3x SC-LD fiber (26 km)
- XB205-3 (SC/ST): Standard SC or ST fiber versions
- XB206-2LD: 6x RJ45 + 2x SC-LD fiber
- XB208 / XB216: 8 or 16 x RJ45 electrical ports
- XB213-3: 13x RJ45 + 3x ST or SC fiber
Design
- IP20-rated plastic enclosure
- 6-pin terminal block: redundant 24 V DC and ground
- DIN rail mounting
- Console port (RJ11) for CLI configuration
- Temperature range: 0 °C to +60 °C
- Front panel LEDs for intuitive status monitoring
Port Types Available
- 5 x 10/100BaseTX RJ45
- Autosensing and autocrossover
- 3 x 100BaseFX SC-LD fiber ports (single-mode)
- Transmission range: up to 26 km
- 1 x Serial console port (RS232 via RJ11)
Product code: 6GK5205-3BF00-2TB2













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