NEWS RELEASE                                      EXHIBIT 20.11

FOR IMMEDIATE RELEASE              CONTACT: Thomas P. Scottino  
08/28/98                                    (630) 378-7504


          TELLABS AND CIENA ANNOUNCE MERGER TO PROCEED 
                    WITH REVISED EXCHANGE RATIO 
                     

Lisle, Ill., and Linthicum, Md. - Tellabs, Inc., and CIENA Corporation
reaffirmed their intent to merge under a renegotiated merger agreement.
Under the terms of the agreement as amended, all outstanding shares of
CIENA common stock will be exchanged at the ratio of 0.8 shares of
Tellabs common stock for each share of CIENA common stock.   

The Boards of Directors of both companies have approved the renegotiated
merger agreement and unanimously recommend its approval by their
respective stockholders.   

Both companies have special stockholder meetings scheduled for 
September 9, 1998, for the purpose of approving the merger.  It is
currently expected that such meetings will be adjourned to later dates
to permit stockholders sufficient time to review revised materials that
will mailed shortly.   

CIENA (Nasdaq: CIEN) is a leader of open architecture, dense wavelength
division multiplexing systems for long-distance and local exchange
carriers.  Through its Alta subsidiary, CIENA also provides a range of
engineering, furnishing and installation (EF&I) for telecommunications
service providers in the areas of transport, switching and wireless
communications.   

Tellabs designs, manufactures, markets and services voice and data
transport and access systems.  The company's products are used worldwide
by the providers of communications services.  Tellabs, Inc., stock is
listed on the Nasdaq Stock Market (TLAB).