KENTEK DB9 9 Pin to DB25 25 Pin Molded Serial Loop Back Tester Adapter Female to Female F/F

This is not a standard adapter and will not work as a standard port adapter.

• It is specially wire for loop back testing software (not included).
• It is designed to test a DB9 port or a DB25 port so when you use it you only hook up one side or the other to you computer.Designed to troubleshoot and diagnose your DB25 or DB9 serial ports.
• Each order Contains 1PC (One Piece).
• Picture demonstrated adapter's front and back connection.
• Standards: UL, CSA, ISO 9001:2000 manufacturer