iOptron CEM70 Instruction Manual page 9


USB3.0: USB3.0 port for mount computer control, iPolar, iGuider and 3XUSB3.0 hub on dovetail
saddle connection

HBX (Hand Box): For connecting to an 8407+ Hand Controller

WiFi: Mini coaxial cable connector for WiFi antenna
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
On Dovetail Saddle Front Panel (Figure 7a)
Shown in Figure 7 are the ports on dovetail saddle of a CEM70G.

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 6). The voltage is determined by the input voltage, such as 5V or
12V.
On Dovetail Saddle Back Panel (Figure 7b):

USB3.0 port X3: Powered USB 3.0 ports. It is connected to the USB3.0 input on mount base
(Figure 5).

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.
Figure 6. DC input on the rear end of RA axle
(a) Front
Figure 7. Ports on CEM70G dovetail saddle
or
(b) Back
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