
A dual-ended serial wrap plug used to test serial ports for operation.
This particular wrap plug has both DB-25 and DB-9.
A very nice addition to any tech's tool kit.
These work Great and Can test Additional Wires besides just the Send and Recieve.


These work Great and Can test Additional Wires besides just the Send and Recieve.


Wiring Wired Together DB-25 port: 2-3, 4-5, 6-8-20-22. DB-9 port: 3-2, 7-8, 6-1-4-9.