For rapid data transfer in your industrial network, choose this serial card from Siemens. Its two terminals let you wire up your components before transmitting information at up to 100Mbit/s. The unit supports SNMP, DCP and LLDP communication protocols for flexibility. Thanks to its small size of 60 (W) x 117 (H) x 74mm (D), it's the ideal choice for mounting in systems where space is tight. Tipping the scales at just 180g, it's a light product that doesn't put pressure on your setup. Devices like this one are often found in automation systems and HVAC equipment.

• Withstands temperatures of -30°C to +50°C in vertical setups and up to +60°C in horizontal ones, so it's suitable for challenging environments
• 24V DC supply voltage for use with standard energy sources
• IP20 rating means it's touch-proof and protected against tools larger than 12mm

You can connect RJ45, FC and SCRJ cables to this serial card using a bus adapter, making it a versatile piece of kit.