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1-10 Lassen-SK8 Embedded GPS Module
Starter Kit
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Note – The yellow wire is not used in the Starter Kit. Battery back-up is provided by a
factory installed 3.6V lithium battery on the motherboard.
The AC/DC power converter may be used as an alternate power source for the Starter Kit
module. The AC/DC power converter converts 110 or 220 VAC to a regulated 12 VDC
compatible with the Starter Kit module. The AC/DC power converter output cable is
terminated with a 3-pin connector compatible with the power connector on the metal
enclosure. The AC power cable is not provided in the kit, since this cable is country-
specific. The input connector is a standard 3-prong connector used on many desktop PCs.
Figure 1-9. AC/DC Power Converter
1.5 Hardware Setup
The Lassen-SK8 supports TSIP, TAIP, and NMEA protocols. Port 1 is used for TSIP or
TAIP I/O and port 2 is used to input RTCM corrections and output NMEA messages.
Follow the steps below to setup the Starter Kit. Figure 1-10 illustrates the setup.
1. For TSIP or TAIP Protocols, connect one end of the 9-pin serial interface cable to
Port 1 (or Port 2 to view NMEA data) of the receiver module. Connect the other
end of the cable to COM1 or COM2 on a PC. A 9-pin-to-25-pin adapter may be
required for the serial interface connection to a PC, if your PC has a 25-pin
communication port.
2. Connect the antenna cable to the interface unit. This connection is made by
pushing the antenna cable connector onto the SMB connector on the unit (to
remove the antenna cable, simply pull the antenna connector off of the SMB
connector). Place the antenna so that it has a clear view of the sky.
3. Using either the DC power cable or AC/DC power converter, connect to the 3-pin
power connector on the interface unit.
- DC Power Cable — Connect the terminated end of the power cable to the
power connector on the interface unit. Connect the red lead to DC positive
voltage (+9 to +32 VDC) and black power lead to DC ground. The yellow
wire is not used. Switch on the DC power source.