Attached files
EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Board of Directors
Zhone Technologies, Inc.:
We consent to the incorporation by reference in the registration statements on Form S-3 (Nos. 333-115306 and 333-113320) and in the registration statements on Form S-8 (Nos. 333-158009, 333-155321, 333-149598, 333-141153, 333-134217, 333-132336, 333-128092, 333-123369, 333-117142, 333-110713, 333-98855, 333-88732, 333-83422, 333-73352 and 333-61956) of Zhone Technologies, Inc. of our reports dated March 16, 2010, with respect to the consolidated balance sheets of Zhone Technologies, Inc. and subsidiaries as of December 31, 2009 and 2008, and the related consolidated statements of operations, stockholders equity and cash flows for each of the years in the three-year period ended December 31, 2009, and the effectiveness of internal control over financial reporting as of December 31, 2009, which reports appear in the December 31, 2009 annual report on Form 10-K of Zhone Technologies, Inc.
/s/ KPMG LLP
Mountain View, California
March 16, 2010