EXHIBIT 10.6 BigBand Networks, Inc. 3 Azrleli Tower Floor #36 Tel Aviv 67023 BIGBAND NETWORKS Phone: 03-607-1172 Fax: 03-607-1222 irisb@bigbandnet.com -------------------- ANNUAL AGREEMENT - YEAR 2001 February 05, 2001 Agreement between - ------------------ BigBand Networks Ltd. Contact: Iris Bar-Shlomo - Purchasing Manager Ronit Goodman - Buyer And Enertec Contact: Harry Mund Enertec will provide Bigband the following power supply as agreed on their quotation from Feb.04.2001 and described below: - -------- ----------- ----------- ---------- ----- --------- ------------- Annual Forecast BigBand From Buffer P/N Manufacture Manuf. P/N March 2001 Stock Lead Time Unite Price $ - -------- ----------- ----------- ---------- ----- --------- ------------- PS000002 Hitron HVP350-490E 500 60 12-14 Wks 225.6 - -------- ----------- ----------- ---------- ----- --------- ------------- Remarks: 1. Payment Terms: Net + 45 days from Invoice date, in accordance with the "Yatzig" rate of the dollar 2. The price above includes shipments to BigBand's warehouse by supplier. 3. One order of 500 pcs with split delivery over a period of 12 months. E-34 4. Enertec will accept to change delivery schedule at any time according to BigBand's request up to a period of 18 months from order date. 5. Enertec will keep a buffer stock of 60 pcs for a time period of up to 18 months. This qty is not cancelable and part of the annual Forecast. 6. Enertec will accept cancellation of partial qty, in which case a cancellation fee will apply. The cancellation fee is dependant on how much time in advance the cancellation was done, where in the production state are the cancelled units and can be 10% to 50% of cancelled units value, as will be agreed between Enertec and Bigband. In any case BigBand will have to pay for special components: PCB, transformer and other magnetics components. Please provide the list. ------------------------- 7. Bigband has the possibility to cancel an order but in this case the prices will be adjusted according to the qty ordered: 100-250 pcs - $249 / 250-500 pcs - $232.40. 8. The units supplied will be identical to the units approved by BigBand. 9. Penalty for delay on confirmed delivery: 2% per month, 10% max. 10. The supplier will provide BigBand a monthly report on the buffer stock, and will not use them without BigBand's written confirmation. 11. Enertec will do any repair needed in the Power Supply in Israel and without any additional charges. 12. If any changes will be required Enertec will share cost in accordance with negotiation. 13. Warranty: 12 months from delivery. 14. Prices above do not include VAT. 15. The amount set forth in this agreement shall be supplied to BigBand on an annual basis. Actual delivery of shipments shall be made in accordance with the annual order placed by Bigband or in accordance with the annual order placed by BigBand or in accordance to specific written request from BigBand, throughout the year. Thank you for your cooperation. Ronit Goodman Iris Bar-Shlomo Buyer Purchasing Manager Supplier's Signature Name: Harry Mund Date: 22/7/01 E-35