Check the listing for details. EXOS2-GT RJ9 USB PC Interface Cable 7m for BRESSER EXOS 2 GOTO EQ mount. Condition: New. Listed at 39.00 USD. EXOS2-GT USB PC Interface Cable allows you to connect the BRESSER EXOSII GOTO EQ handset to the USB port of a PC or laptop using the new Bresser Driver that is compatible with ASCOM to operate the mount using Windows navigation software via ASCOM. Also EXOS2-GT USB PC Interface Cable is designed to control your computerized telescope from a laptop or PC through various programs of the planetarium. Unlike the standard EXOS2-GT CABLE SET, for EXOS2-GT USB PC Interface Cable, a serial port adapter is not required. Using this USB cable, you can upgrade the EXOS2 TO EQ manual controller firmware to version 2.3 and work in conjunction with the new ASCOM compatible Bresser driver to control the mount using Windows navigation software via ASCOM. The USB interface cable is used with the Bresser Goto control system for equatorial mounts, which is supplied as standard equipment for the BRESSER and Explore Scientific exos-2 mounts. Connecting a computer to your telescope will also allow you to move the telescope from different planetarium programs! Today, there are many programs available that not only display the night sky, as it appears on any chosen observation night, but this will allow you to send your telescope to any object on the screen at the touch of a button. To use the adapter, you need to first install EXOS2-GT RJ9 USB driver. CHARACTERISTICS: Compatibility: Windows x64 / x86 Driver XP / Vista / 7/8 / 10 Cable length: 7 meters. In order to improve the quality of the product, the manufacturer reserves the right to make changes to the design and equipment without notifying users. You can also buy such cable by the length of 3 meters https://www.ebay.com/itm/133966105673