This product is ideal for connecting multiple devices to a single serial port on a computer or other electronic device.
DTECH 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication（6feet,Black
DTECH 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Nul
DTECH 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null
DTECH 5M DB9 RS232 Serial Null Modem Cable Female to Female DB9 Unused
DTech 5M DB9 RS232 Serial Cable Male to Female Null Modem Cord Full Handshaking 7 Wire Crossover for Data Communication
