The DB9 Male to DB9 Female Null Modem Adapter is low profile port protector converts your serial cables to null modem cables. This adapter reduces the strain on your computers serial port, by connecting the port protector adapter into cable end, it reduces the immediate pull on the port. This adapter is shielded to protect against EMI/RFI interference.
Null Modem DB9 Male to DB9 Female Port Protector
Protect your computer’s serial port with this DB9 Male to Female Null Modem Adapter by removing port strain.
$3.99 Volume Pricing?