5REGULATORY I NFORMATION
AND LIMITED WARRANTY
Manufacturer’s Declaration of Conformity
3Com
3800 Golf Road
Rolling Meadows, IL 60008
U.S.A.
declares that the product 3Com U.S. Robotics Cable
Modem TMX conforms to the FCC’s specifications:
Part 15
Operation is subject to the following two conditions:
1this device may not cause harmful electromagnetic
interference, and
2this device must accept any interference received including
interference that may cause undesired operations.
Caution to the User
The user is cautioned that any changes or modifications
not expressly approved by the party responsible for
compliance could void the user’s authority to operate the
equipment.
Performance Specifications
This equipment has a bit-error rate (BER) less than 10-8
when the signal-to-noise ratio (SNR) is 23.5 dB or greater
when operating in 64 QAM mode, and when the SNR is
30.0 dB or greater when operating in 256 QAM mode.
Export Notices
■Unlawful to export from the US or Canada without an
approved US Department of Commerce export license.
■The hardware contained in this product contains
encryption software which may not be exported or