Loopback adapter DeLOCK RS-232/422/485 DB9 female

The DeLOCK RS-232/422/485 DB9 female loopback adapter is a compact, black socket designed for testing serial communication lines. It enables simple loopback connections for error detection and data analysis on RS-232, RS-422 and RS-485 interfaces and is supplied as a single unit.

Advantages

This loopback adapter supports RS-232, RS-422 and RS-485 standards in one compact DB9 female connector, requires no additional tools to use and is portable for bench or field testing. The simple wiring inside the socket creates a reliable loopback for transmitting and receiving signals to verify line integrity and troubleshoot communication faults.

Suitable for

• Testing and troubleshooting serial RS-232/422/485 ports
• Error and data analysis on serial communication lines
• Developers and engineers validating serial hardware and software
• Field service and laboratory diagnostics

Key specifications

• Connector: DB9 female
• Supported interfaces: RS-232, RS-422, RS-485
• Colour: Black
• Quantity per pack: 1 pc
• Brand: DELOCK
• MPN: 66825
• EAN: 4043619668250

How to use

Connect the loopback adapter to the device's DB9 serial port. For loopback testing, ensure the adapter pins match the interface standard in use (RS-232, RS-422 or RS-485) and perform the desired transmission tests or diagnostics using your terminal or test software. Monitor received data to confirm proper loopback behavior and to identify communication errors.

Recommendations

Use the adapter on powered-down equipment when possible to avoid transient signals during insertion. Verify pinouts for the specific serial standard before testing and store the adapter in a dry environment to prevent corrosion.