Celestron 6-Pin AUX Port Splitter for CG-5 Mount Celestron StarSense to CG5 Adapter Cable for CG-5 Mount - Celestron 2 Year Warranty Designed specifically for CG-5 mounts Create an extra auxiliary port on your Celestron computerized mount with this AUX Port Splitter. Two auxiliary ports are required to use accessories like the Celestron StarSenseAutoAlign on telescopes with only one built-in AUX port. Adapter has two 6-pin auxiliary outputs and one 6-pin input.