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INSTALLATION
The reader shield signal is internally connected to pin 5 of the
DP1200 spring clamp connector (the user should connect pin 5 to
earth ground).
NOTE
Do not connect GND and SGND to different (external) ground
references. GND and SGND are internally connected through
filtering circuitry which can be permanently damaged if subjected to
voltage drops over 0.8 Vdc.
CAUTION
5)
Switch ON the DP1200 power switch (see Figure 6).
6)
Close the DP1200 using the 4 cover screws making sure the rubber seal is fitted
correctly between the parts of the housing.
7)
Connect the reader to the 15-pin connector on the left side of the DP1200
housing.
The electrical connections for your scanning system are now complete.
2.4.2
Power Supply
Power can be supplied to the decoder through the pins provided on the spring clamp
connector.
The power switch (see Figure 6) swithces ON or OFF the power supply for both the
decoder and the connected reader.
ON
OFF
S3
Figure 6 - Power switch ON/OFF positions
2
9
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