Ports and Connectors on NexStar GT and
Original NexStar 5/8 Scopes
Click
here for a diagram
by Larry McNish depicting NexStar cable/port connections.
- RS-232 Port - located on the bottom of the hand control. The
primary usage of this port is for controlling your scope with the wide
variety of astronomy software available for PCs, Macs and PDAs. The
connector is a 4 conductor RJ-22 - the slim connector used for most
telephone handset cords. The signaling is standard RS-232 levels.
Click
here for details on the cable used to connect this port to a PC.
- HAND CONTROL Port - located in the hand control recess in the fork arm
on the NexStar 4/5/8, found on the outside of the fork arm on all other
NexStar GT models. This is the port for connecting the hand control
to the mount. The connector is a 6 conductor RJ-12. The
signaling is TTL and so a serial port on a PC should not be
connected to this port.
- POWER CORD Connector - located on the lower part of the fork arm.
This is the connector for the power source driving the scope - details on
this connector are found
here.
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