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Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI - 1 x DB-9 Female Serial - 1 x USB Type A Male - Black - RS232 Serial Adapter - Y10C225-B1
RS232 Null Modem DB9 Male to DB9 Female Port Protector
DB25 Male to DB25 Female Serial RS232 Null Modem Adapter | Serial RS232 | Computer Cables | USB and PC
9 pin Male to Female Null modem adapter (RS232)
DB9 Male to DB9 Female Serial RS232 Null Modem Adapter | Serial RS232 | Computer Cables | USB and PC
C2G 08075 DB9 Male to DB9 Female Serial RS232 Null Modem Adapter, Beige - Newegg.com