Superlooper ISDN (PRI) Crossover Adapter
The SuperLooper ISDN (PRI) Crossover Adapter converts any standard ISDN modular cable to a crossover cable. This eliminates the cumbersome need for stocking and carrying cables specifically made for this purpose. Used with a standard ISDN (PRI) modular cable, the SuperLooper ISDN (PRI) Crossover Adapter can network two interfaces together to facilitate quick network testing.
Molded casing with key chain attachment provides both male and female jacks.