Appendix D - Connector And Cables; Power Jack; Scope Port; I2C/Aux Port - SBIG STX Series Operating Manual

Appendix D – Connector and Cables

Power Jack

The Power Jack has the following pinouts:

Scope Port

The Scope Port is used for autoguiding your telescope and has the following pinouts:

I2C/AUX Port

The I2C/AUX Port is for connecting accessories to your STX and has the following pinouts:
Pin Function
Shell Earth/Chassis Ground
+12V, 10A
1,5,6
2,3,4 DC Return
Pin Function
1 No connect
2 Open Collector
Trigger Out
3 Serial Clock
4 Serial Data
5 Signal Ground
29
Pin Function
6 Trigger In
7 Open Collector
Genl. Purp. Out
8 +12V Raw
9 +3.3V
Shell Chassis Ground