3Com 2940, 2941 manual Manufacturer’s Declaration of Conformity, Performance Specifications

REGULATORY INFORMATION AND LIMITED

WARRANTY

Manufacturer’s Declaration of Conformity

3Com

3800 Golf Road

Rolling Meadows, IL 60008 U.S.A.

declares that the product U.S. Robotics Cable Modem CMX conforms to the FCC’s specifications:

Part 15:

Operation is subject to the following two conditions:

(1)this device may not cause harmful electromagnetic interference, and

(2)this 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 10-8when the signal-to-noise ratio (SNR) is 23.5 dB or greater when operating in 64 QAM mode, and when the SNR is

30.0dB or greater when operating in 256 QAM mode.

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