iOptron GEM28 User Manual

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2.3. CEM26 Port
Figure 2. Ports on a CEM26 mount
On RA Unit:
 I/O Switch: Power switch
 LED: Power indicator
 DC 12V IN: DC power socket to power the mount (2.1mmX5.5mm, center positive)
 HBX (Hand Box): For connecting to an 8409 Hand Controller
 GUIDE: ST-4 compatible autoguiding port. The wiring is shown in Figure 3
Figure 3. ST-4 Compatible Guiding Port Wiring
 DC 12 OUT: DC power socket for optical polar scope LED
 DEC: For connecting to DEC drive unit
On DEC unit:
 DEC: Connect the DEC drive unit to RA unit via RJ11 cable
 iPORT: Auxiliary port for connecting to other iOptron accessories, such as a GPS receiver or an
electronic focuser. DO NOT plug ST-4 guiding camera cable into this port, It will damage the
guide camera electronics.
2.4. Go2Nova
®
8409 Hand Controller
The Go2Nova
®
8409 hand controller (HC) shown in Figure 4 is the standard controller used on the
CEM26 mount. It has a large LCD screen, function, direction, and number keys on the front; and an HBX (6-
pin) and a USB port at the bottom.
DEC Unit
RA Unit (Top)
RA Unit

iOptron GEM28 Specifications

General

Brand	iOptron
Model	GEM28
Category	Racks & Stands
Language	English