NIPPON TELEGRAPH AND TELEPHONE CORPORATION International Procurement Office; Tokyo Opera City Tower 26F 20-2 Nishi-Shinjuku 3-chome Shinjuku-ku, Tokyo 163-14 Japan

58 -- PDS OPTICAL SUBSCRIBER TRANSMISSION SYSTEM $B!! (J SOL IPO.09-3004 DUE 101397 POC Point of Contact -- NTT America, Inc., Head Office, 101 Park Avenue, 41st Floor, New York, NY 10178, 212/808-2296 also NTT America, Inc., Pacific and Western Division 700 E. El Camino Real, Suite #200, Mountain View, CA 94040, 415/940-6565 WEB: NTT International Procurement Information Home Page, http://wwwipo.nttinfo.ntt.co.jp. Product outline: PDS optical subscriber transmission system provides various communication services such as telephone and computer communication, and video transmission services economically. Bcause of their differences in the types of services provided and in the application technology required, the following two types of systems will be developed separately: I. N-PDS Optical Subscriber transmission system This system consists of optical line terminal, optical subscriber unit, optical network unit, and shared optical network unit. II. FDM-type PDS Optical Subscriber Transmission System This system consists of FDM-type optical transmitter, FDM-type optical repeater unit, FDM optical line terminal, and FDM optical network unit. Quantity: Prototype: 1 set ided $B!! (J $B!!!!!!!!!! (JCommercial model: Undec The number of suppliers to be selected: Three suppliers for N-PDS optical subscriber transmission system and two suppliers for FDM-PDS optical subscriber transmission system will be selected. Procurement procedure: Track III Delivery date: Prototype: May or later, 1998 Commercial model :Undecided Delivery site(s): NTT will separately specify the place(s) in Japan as delivery site(s). Please note that the quantities and procurement periods shown above indicate currently sheduled values, and may be subject to change due to to circumstances within NTT. THIS NOTICE IS FOR INFORMATION ONLY. PROCUREMENT DOCUMENTATION IDENTIFIES THE ADDITIONAL INFORMATION CONCERNING THE DETAILS ON THE PRODUCT AND QUALIFICATION FOR PROCUREMENT. NTT will distribute the Procurement Documentation free of charge. When mailed, the recipient shall pay the delivery charges.UPS/FEDEX or your courier account number is required for express delivery. NTT only accepts proposals that follow the direction of PROCUREMENT DOCUMENTATION. The language used for application shall be Japanese or English. All responses should be received by October13, 1997 (0234)

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