The HP® JY728A TTL serial to USB female/male adapter cord is suitable for use with 203R series AP-203H and AP-303H remote access point. It features TTL serial female connector on first end and USB male connector on second end for ensuring reliable connection. Adapter cord for faster connectivity. Compatible with 203R Series AP-203H, AP-303H remote access point. Connectors: TTL serial female connector on first end and USB male connector on second end. Adapter cord features TTL serial female connector on first end and USB male connector on second end.