Serial Null modem cable RS232 with 2 x DB9 male, 28 AWG 2.0 m

The DB9 Null Modem Adapter converts a standard serial cable into a Null Modem cable

Zero modem cable with DB9 male / female, 20 cm
Pin 2 to pin 3
Pin 3 to pin 2
Pin 5 to pin 5
Cable screen connected to DB9 male plug

Cable display is not connected to the DB9 female connector
The connectors are with finger screws

Zero modem cable with 2 x DB9 female, 28 AWG

Universal null modem cable 2 x DB9 female / 2 x DB25 female.

Sold in several lengths.