Why are these here? anybody know?

[Roadrunr]

Toppic says it all,  Why are these here? anybody ?

Guess on #2 to power a USB cam ?

[Cornelius Varley]

The 5v DC outlet is obvious. The AUX port is for accessories such as GPS etc. On Celestron mounts the port is used for the Starsense accessory or a GPS module. It's use on the Bresser/NG mount is probably for some unspecified accessory to be released in the future.

[Roadrunr]

1 hour ago, Cornelius Varley said:

The 5v DC outlet is obvious. The AUX port is for accessories such as GPS etc. On Celestron mounts the port is used for the Starsense accessory or a GPS module. It's use on the Bresser/NG mount is probably for some unspecified accessory to be released in the future.

thank you ?