C2G DB25 Female to DB25 Female Slimline Adapter Gender Changer (Coupler) Convert a DB25 male connection to a DB25 female connection; use for parallel or serial applications. Quickly change the gender, or join two cables together. Save the cost and hassle of buying a new cable by just changing the gender of your port and using the cable you already have. Each changer is snagless and fully shielded, preventing any unwanted EMI/RFI interference caused from office equipment.