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1-10 Lucent Technologies Inc.
Evaluation Kit for USS-720
Instant USB
Information Manual, Rev. 1
USB-to-
IEEE
1284 Bridge September 1999
13
To access software files from In-System Design’s home page, follow these steps:
1. Click on Drivers.
2. In the box labeled Library Name, type the library name: uss720_dev
3. Type the password for the library: usb_to_lpt
(Note: Use all lower-case letters.)
Notes for Developers
Please note that the driver files in this evaluation kit are for evaluation purposes only. Developers can obtain free
drivers suitable for distribution from the web site at www.in-system.com. Selecting “Drivers”, filling out the informa-
tion in the “Build Me One” section and then selecting the “Submit” button will generate a request for drivers to In-
System Design. Select “Frequently Asked Questions” to obtain more details about the required fields such as
Vendor ID. If the information is entered correctly, a response will be sent for verification within 2—5 working days.
Use of the USS-720 Evaluation Kit by developers implies a basic understanding of the USB and
IEEE
1284 inter-
faces as well as basic competency in board design and
Windows
driver programming. The information provided in
this kit is intended only as a guide for the development of a USB-to-
IEEE
1284 bridging solution and, as such, is
not warranted for suitability to any particular purpose.
Following are additional notes regarding the software provided with the USS-720 Evaluation Kit:
USB Driver and Port Monitor
The USS-720 is supplied with a USB driver and a USB port monitor. The port monitor allows
Windows
printer
drivers to print to an
IEEE
1284-compliant printer connected to the USS-720. Note that the supplied software will
work only with printer drivers that use the
Windows
spooling system to interface with the USS-720 USB port
monitor. See the
USS-720 USB Port Monitor
Application Note in this Manual for details.
Plug and Play
The Plug and Play capabilities of the supplied software are limited to the enumeration of the USS-720 device only.
Port Creation
The USS-720 software driver supports printing via the creation of a port named USBLPTx, where x is an integer
between 1 and 127. Each instantiation of the driver will generate another USBLPTx port. If two developers both
have products based on the USS-720 connecting to the same USB bus, it may not be clear which device is
connected to which USBLPTx port.