-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MQ5tWNYm0iEDFxC5WBAwSyx2AaBaI1/q2fvE5drQhoSXZzE13HUrO0Rxm8Yf46+3
 gbIbTHQ0kCPWvudyzq4Cdw==

<SEC-DOCUMENT>9999999997-09-027050.txt : 20091202
<SEC-HEADER>9999999997-09-027050.hdr.sgml : 20091202
<ACCEPTANCE-DATETIME>20091202102301
<PAPER>
ACCESSION NUMBER:		9999999997-09-027050
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090731
FILED AS OF DATE:		20091123
DATE AS OF CHANGE:		20091202
EFFECTIVENESS DATE:		20091123

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYCAMORE NETWORKS INC
		CENTRAL INDEX KEY:			0001092367
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				043410558
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27273
		FILM NUMBER:		09012546

	BUSINESS ADDRESS:	
		STREET 1:		220 MILL ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824
		BUSINESS PHONE:		9782502900

	MAIL ADDRESS:	
		STREET 1:		220 MILL ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824
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<FILENAME>9999999997-09-027050.paper
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This document was generated as part of a paper submission.
Please reference the Document Control Number 09012546 for access to the original document.
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