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Exhibit 23.2
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the Caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Terayon
Communication Systems, Inc. for the registration of $500,000,000 of 5%
Convertible Subordinated Notes due August 1, 2007 (the "Notes") and 5,951,673
shares of its common stock issuable upon conversion of the Notes and to the
incorporation by reference therein of our report dated September 1, 2000, with
respect to the financial statements of Mainsail Networks, Inc. included in
Terayon Communication Systems, Inc.'s Current Report on Form 8-K/A filed on
October 18, 2000 with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
San Jose, California
October 24, 2000