SCALANCE X Accessories, SFP994-1LD Plug-in Transceiver, 1x 25000 Mbit/s LC Port, optical, Single-Mode fiber up to a maximum of 10 km, 25GBase LR. The SCALANCE SFP994-1LD plug-in transceivers provide the flexibility to equip modular Industrial Ethernet Layer 3 switches for optical connections. With an operating temperature range of -40 °C to +85 °C, the transceivers are particularly suitable for use in demanding environments. Cost savings through the modular system. The construction of electrical and optical Industrial Ethernet networks, as well as network topology and port type, can be easily adapted to the structure of the facility and expanded at any time due to the modular system. A seamless industrial network for data, voice, and video. Bandwidths ranging from 100 Mbit/s to 25 Gbit/s.