DB9 MALE TO DB9 FEMALE PORT SAVER
This DB9 male to DB9 female port saver is an ideal solution for preventing damage on the DB9 serial port due to constant plugging and unplugging. 
Low profile design is a great way for space saving.
All relevant materials are complied with RoHS directive.
Connector A : 
DB9 Male
Connector B : 
DB9 Female
Type : 
Low Profile Port Saver