Based on this product's specifications, here are some alternatives and similar models
Serial null modem cable StarTech 10 ft (3 m) DB9 female to DB25 male, grey
Summary description:
StarTech 10 ft (3 m) cross-wired serial null modem cable with a DB9 female connector and a DB25 male connector. Designed for connecting serial devices that require null-modem wiring to enable direct device-to-device communication. Grey cable, single pack, weight 170 g. CE and RoHS certified for compliance and safety. Ideal for legacy equipment, industrial controllers and point-of-sale systems.