Meade #505 Connector Cable Set 07505, which lets youimage connect ETX-90, ETX-105 or ETX-125 scope , Autostar, and PC, is included with Meade Astrofinder Packagebut can be purchased separately. # 505 Meade Cable Set consists of a 6' cable, plus a DB-9 serial adapter, to connect your telescope to your laptop or PC to control the scope and download updated Autostar programs and the orbital elements of satellites, comets, and asteroids from the Meade website. A second 3' cable lets you connect two scopes to clone information from one scope to the other.
For use with a DB-9 serial port-equipped PC only. If you have a laptop with just USB ports instead of a DB-9 serial port you will have to purchase a USB to serial adapter from us or your local computer store.
Meade #505 Connector Cable Set 07505:
DB-9 serial adapter