RS232 Serial Port Interface Card For TM-U210 M188B TM-L90 TM-U325 TM-T88V M129C TM-U220PD TM-U220PA TM-U288B M111A This RS232 Serial Port Interface Card is designed for compatibility with a range of printers including TM-U210, M188B, TM-L90, TM-U325, TM-T88V, M129C, TM-U220PD, TM-U220PA, TM-U288B, and M111A.It enables serial communication between the printer and host system, supporting stable data transmission in various printing environments.The card is built with components suitable for continuous and integrates into existing setups.With a focus on durability and consistent performance, it supports efficient connectivity for professional printing applications.