EDGAR Filing Documents for 0001341004-10-000580

Form CORRESP - Correspondence:

SEC Accession No. 0001341004-10-000580

Filing Date

2010-03-25

Accepted

2010-03-25 14:25:22

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		filename1.htm	CORRESP	46147
2		letter4.jpg	GRAPHIC	10846
	Complete submission text file	0001341004-10-000580.txt		62479

Mailing Address 220 MILL ROAD CHELMSFORD MA 01824

Business Address 220 MILL ROAD CHELMSFORD MA 01824 9782502900

SYCAMORE NETWORKS INC (Filer) CIK: 0001092367 (see all company filings)

IRS No.: 043410558 | State of Incorp.: DE | Fiscal Year End: 0731
Type: CORRESP
SIC: 3661 Telephone & Telegraph Apparatus