DTECH DB9 RS232 Serial Cable Female To Female Null Modem Cord Full Handshaking 7 Wire Crossover For Data Communication (10 Feet, Black)

Startech.Com 25 ft Cross Wired DB9 Serial Null Modem Cable - F/F - 25ft DB9 Null Modem Cable (SCNM9FF25)

DTECH DB9 RS232 Serial Cable Null Modem Male To Female Cord Full Handshaking 7 Wire Crossover For Computer Switch Laptop Router Data Communication (15

DTECH RS232 Null Modem Cable DB9 Serial Male To Male Cord Full Handshaking 7 Wire Crossover For Data Communication Compatible With Computer Network

Startech.Com 10 ft DB9 RS232 Serial Null Modem Cable F/M - Null Modem Cable - DB-9 (M) To DB-9 (F) - 10 ft - SCNM9FM Gray