Serial Cable ALLNET ALL0178V2 USB A RS232 Blue 1.5 m

The ALLNET ALL0178V2 USB A to RS232 serial cable is a 1.5 m connection cable designed to provide reliable serial communication between USB-enabled hosts and RS232-compatible devices. Finished in blue, the cable combines a USB A plug with a DB9 RS232 connector to bridge modern computers or hubs with legacy equipment such as modems, industrial controllers, or measurement instruments. Its construction focuses on stable data transfer and practical length for desk or rack installations.

Advantages

The cable offers plug-and-play connectivity for systems that support USB-to-serial conversion, reducing the need for additional adapters. Its 1.5 m length balances reach and cable management for typical workstation setups. The molded connectors and strain-relief sleeves enhance durability under frequent insertion and movement. The blue jacket provides clear visual identification among other cables and helps simplify installation and maintenance in multi-cable environments.

Suitable for

• Connecting computers or laptops with USB A ports to RS232 devices such as modems and serial printers
• Linking industrial controllers, PLCs or CNC equipment to modern hosts for configuration and diagnostics
• Interfacing measurement instruments, POS terminals or laboratory devices that use RS232 serial ports

Key specifications

• Connector types: USB A (host) to RS232 (DB9, male/female as required by device)
• Cable length: 1.5 metres
• Color: blue jacket for easy identification
• Construction: molded connectors with strain relief for increased mechanical strength
• Function: USB-to-serial data transmission for asynchronous RS232 communication

How to use

Connect the USB A plug to an available USB port on the computer or host device and attach the RS232 connector to the serial device’s port, ensuring correct orientation and secure seating. If the host requires a driver for USB-to-RS232 conversion, install the manufacturer-provided driver before connecting; otherwise, the cable may operate using built-in OS drivers. After connection and any necessary driver installation, configure serial port parameters (baud rate, parity, data bits, stop bits, and flow control) in the host application to match the RS232 device’s settings for proper communication.

Usage recommendations

Place the cable away from high-tension power lines and strong electromagnetic sources to minimize interference. Use appropriate cable routing and tie-offs to reduce mechanical stress on connectors. Verify device pinout and gender compatibility before connection to avoid mismatches, and keep drivers up to date for consistent performance.