USB EQ-Direct Cable with DB9 Plug 5v for EQ6, EQ6-Pro

-The Synscan USB to Serial (RS-232) cable lets you connect a serial cable to a standard USB port. Many Celestron and Skywatcher mounts and handsets come with RS-232 ('serial') ports which can be used for either computer control of the mounts or for updating the device firmware. Manufacturers release new updates regularly with bug fixes and additional features.