B&B Electronics CL258 Current Loop to RS-232 Converter

The B&B Electronics CL258 is a current loop to RS-232 converter designed for interfacing legacy current loop serial devices with modern RS-232 equipment. Manufactured by B&B Electronics Manufacturing Company — a trusted name in industrial serial communications — the CL258 provides a reliable and cost-effective solution for connecting older teletype-style current loop devices to standard RS-232 ports.

Key Features:

• Converts passive or active current loop signals to RS-232 levels
• Compatible with 20mA current loop serial interfaces
• Supports standard RS-232 serial communication
• Compact, industrial-grade design for reliable operation
• No external power required for passive loop configurations
• LED indicators for loop current status monitoring

The CL258 is ideal for industrial automation, legacy system integration, point-of-sale terminals, and other applications requiring current loop to RS-232 signal conversion. Its rugged construction ensures long-term performance in demanding environments.