2.3.2. Ports on Main Control Board
Figure 3. Ports on a GEM45 main board
HBX (Hand Box): For connecting to an 8407 Hand Controller
iPORT: Auxiliary port for connecting to other iOptron accessories, such as a GPS receiver, an
iStarFi WiFi adapter, an electronic focuser or for observatory dome control.
DO NOT
plug ST-4
guiding camera cable into this port, It will damage the guide camera electronics.
2.3.3. Ports on Dovetail Saddle
On the back of the dovetail saddle, there are one USB2.0 port and two DC 12V outputs.
Figure 4.Port on back of the dovetail saddle (a GEM45G shown)
1X USB 2.0 ports with standard type A connectors for connecting accessory;
2X DC12V power outlet (2.1mmX5.5mm, center positive, max. current 3A) for powering
accessories such as CCD cameras, filter wheels, or electric focusers;
The ST-4 guiding port is located in front of the dovetail saddle.
Figure 5.Port on front of the dovetail saddle
ST-4: ST-4 compatible autoguiding port. The wiring is shown in
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ound.
