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893-743-A
© 1994 by SynOptics Communications, Inc. All rights reserved.
Trademarks
SynOptics and SynOptics Communications are registered trademarks of SynOptics
Communications, Inc. Model 281xSA Ethernet Hub, Expanded View, and Autotopology are
trademarks of SynOptics Communications, Inc.
Other brand and product names are registered trademarks or trademarks of their respective
holders.
Statement of Conditions
In the interest of improving internal design, operational function, and/or reliability, SynOptics
Communications, Inc. reserves the right to make changes to the products described in this
document without notice.
SynOptics Communications, Inc. does not assume any liability that may occur due to the use or
application of the product(s) or circuit layout(s) described herein.
One program, the Compression/Decompression Library, in this product contains free software;
you can distribute the Compression/Decompression Library and/or modify it under the terms of
the GNU General Public License as published by the Free Software Foundation; either version 2
or (at your option) any later version.
The Compression/Decompression Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
To receive a copy of the source code for the Compression/Decompression Library, and associated
make files, free of charge, contact SynOptics Communications, Inc., attention Corporate
Secretary.
Federal Communications Commission (FCC) Statement
Note: This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy. If it is not
installed and used in accordance with the instruction manual, it may cause harmful interference
to radio communications. Operation of this equipment in a residential area is likely to cause
harmful interference, in which case users will be required to take whatever measures may be
necessary to correct the interference at their own expense.
EN 55 022 Declaration of Conformance
This is to certify that the SynOptics Communications Model 281xSA Ethernet Hub is shielded
against the generation of radio interference in accordance with the application of Council
Directive 89/336/EEC, Article 4a. Conformity is declared by the application of EN 55 022:1987
Class B (CISPR 22:1985/BS 6527:1988).
Compliance with the applicable regulations is dependent upon the use of shielded cables.
