User's Manual

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 USB: USB port for mount-computer control and firmware upgrade
2.4. CEM40 Cable Management
The CEM40 mount has a pre-wired Cable Management Panel (CMP). As shown in Figure 3, the Cable
Management Panel has the following connections:
Figure 3.Cable management panel
 1X USB 2.0 ports with standard type A connectors for connecting accessory;
 1X DC12V power outlet (2.1mmX5.5mm, center positive, max. current 3A) for powering
accessories such as CCD cameras, filter wheels, or electric focusers;
 GUIDE: ST-4 compatible autoguiding port. The wiring is shown in Figure 4
Figure 4. ST-4 Compatible Guiding Port Wiring
The USB-A port on the Cable Management Panel are connected to the USB-B connector on Input
Panel, as shown in Figure 5.
Figure 5. Input panel
 1x USB 2.0 port with a standard type B connector
 1X iPolar USB port for internal iPolar electronic polar scope connection
There is a hole on dovetail saddle that allows a user to run his own cables down through the mount, to
either the back of RA axle or bottom of the DEC axle.