User's Manual

8
On Dovetail Saddle Front Panel (Figure 4a)
Shown in Figure 4 are the ports on dovetail saddle of a CEM70G.
(a) Front (b) Back
Figure 4. Ports on CEM70G dovetail saddle
 iPORT: Auxiliary port for connecting to other iOptron accessories, such as 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.
 1X5525 (2.5mmx5.5mm) and 1X5521 (2.1mmX5.5mm) DC output sockets for your
accessories. The combined maximum specified current output is 5A. They are connected to
the DC IN on the rear end of RA axis (Figure 5). The voltage is determined by the input
voltage, such as 5V or 12V.
On Dovetail Saddle Back Panel (Figure 4b):
 USB3.0 port X3: Powered USB 3.0 ports. It is connected to the USB3.0 input on mount base
(Figure 2).
 5521 12V socket X2: These two 12V DC output sockets are powered by mount main DC
12V power. The combined maximum power output is 3A.
On Rear End of RA axle:
 DC input (2.5mmX5.5mm) to power 1X5525 (2.5mmx5.5mm) and 1X5521 (2.1mmX5.5mm)
DC output sockets located on front panel of the dovetail saddle
Figure 5. DC input on the rear end of RA axle
CEM70 and CEM70EC
On Mount Base Main Panel:
The main cable connection ports of a CEM70/CEM70EC are shown in Figure 6.
Figure 6. Ports on a CEM70 mount base