Worth Data P11/12 - Manual (Page 4)

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Installation
The several methods of WDP attachment are:
• External Wedge
The Reader is placed near the computer, and is connected between the
computer and keyboard. Velcro is included for convenient attachment to
your computer, monitor, desk, etc. Bar code data is received via the
computer's keyboard port.
• Internal Installation on PC (P11/12)
The WDP Reader Models P11/12/P01 have a printed circuit board
which can be removed from the case and mounted in any unused PC's
ISA slot.
Internal Wedge mounting uses the slot for physical mounting only -- it
doesn't communicate with the bus. Cables connect the board level reader
between the computer and keyboard; bar code data is received by the
keyboard port. DOS users can also install the WDP P11/12 so that it
communicates with the bus instead of the keyboard interface. If you
prefer Internal Installation, see Appendix B for details.
The Lasers and CCD are available in the decoder built into the scanner
housing, thereby eliminating the separate decoder. These models of the
WDP are:
• Integrated Laser WDP Readers
These readers have to be attached externally. The LZ100-WDP and
LZ200-WDP Readers are laser scanners with the decoder built into the
scanner housing. They are connected between the computer and
keyboard using a Y cable or the USB Wedge Saver. Decoded bar code data
is transmitted as though it has been keyed. These readers do not require
a separate decoder box; however there is no power supply option for low
powered PCs, and there is no second scanner attachment possible.
99.99% of PCs have sufficient power.
• Integrated CCD Wedge Reader
This reader has to be attached externally. The Integrated CCD Reader has
the decoder built into the scanner case. Connected between your
computer and keyboard, or to the USB Wedge Saver, it transmits decoded
bar code data to the computer's keyboard port. These readers do not
require a separate decoder box; however there is no power supply option
for low powered PCs, and there is no second scanner attachment possible.
99.99% of PCs have sufficient power.