User's Manual

9
 DC 12V 5A: DC power socket to power the mount (2.5mmX5.5mm, 5525)
 ON/OFF: Power Switch
 ST-4: Autoguide port
 USB: USB port for mount firmware upgrade and computer control
 HBX (Hand Box): For connecting to an 8407+ Hand Controller
On Dovetail Saddle:
Shown in Figure 4 are the ports on dovetail saddle of a CEM70.
Figure 7. Ports on CEM70 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.
 DC 5521: 2.1mmX5.5mm DC output sockets for your accessories. The 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.
 USB2.0 port: 2X powered USB2.0 port and 1X unpowered USB 2.0 ports. It is connected to
the iPolar/USB input on the rear end of RA axis (Figure 8Figure 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:
Figure 8. iPolar/USB and DC input on the rear end of RA axle
 DC input (2.5mmX5.5mm) to power 5521 (2.1mmX5.5mm) DC output sockets located next
to iPort on the dovetail saddle
 iPolar/USB port: This port is for iPolar connection to computer, and 3XUSB2.0 hub on
dovetail saddle connection
Powered