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Exhibit 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement on
Form S-8 pertaining to the 2000 TrueChat, Inc. Equity Incentive Plan of Terayon
Communication Systems, Inc. of our reports dated January 17, 2000, with respect
to the consolidated financial statements and schedule of Terayon Communication
Systems, Inc. included in its Annual Report (Form 10-K/A), as amended on April
28, 2000, for the year ended December 31, 1999, filed with the Securities and
Exchange Commission.
/s/ Ernst & Young LLP
San Jose, California
January 10, 2001
