1. Glimmerglass Networks Confidential Glimmerglass Networks The Clear Choice in Photonic Switching OptIPuter Optical Switch Workshop San Diego, CA 25 October 2002

2. v 220702Glimmerglass Networks Confidential 2 Company Overview Established 2 ½ years old, Silicon Valley-based, 60 employees Experienced, World-Class Technical Talent Shipped four generations of optical MEMS-based products. Well Funded, Venture-Backed Private Company We closed a large Series B during Optical Nuclear Winter. Shipping Products We’ve done it while others with a head start have failed. Multiple Customers We’ve closed real, paying customers. Quiet We execute in stealth instead of generating hype.

3. v 220702Glimmerglass Networks Confidential 3 Switching FIBER SWITCHING WAVEBAND SWITCHING IP, ATM PACKET, CELL SWITCHING OPTICAL STS-1, STS-3 STS-12, STS-48 SUB-WAVELENGTH SWITCHING Fiber Conduit ELECTRICALELECTRICALELECTRICALELECTRICAL synchronous bit streams bit packages, protocols multiple frequencies of light all information on each fiber WAVELENGTH SWITCHING λ1, λ2, λ3…λ1, λ2, λ3… a single frequency of light

4. v 220702Glimmerglass Networks Confidential 4 REFLEXION™ Photonic Cross Connect 3D MEMS

5. v 220702Glimmerglass Networks Confidential 5 REFLEXION Design Goals Truly Transparent Simple Reliable Open Platform Cost-effective

6. v 220702Glimmerglass Networks Confidential 6 Truly Transparent Very... Low Loss Low Power Compact Any... Bit Rate Format Protocol Zero... Latency Line Cards Hardware Upgrades

7. v 220702Glimmerglass Networks Confidential 7 Simple Elegant Design  Reliable & Manufacturable Control Interface  Telnet + Primitives Building Blocks  Modular Black Box

8. v 220702Glimmerglass Networks Confidential 8 REFLEXION 3D MEMS Fold Mirror Micro-Mirror Array Optical Fiber Array

9. v 220702Glimmerglass Networks Confidential 9 REFLEXION Overview 1% Optical Taps servo control optical monitoring Input Fibers Output Fibers control interface Photonic Switching Core network control

10. v 220702Glimmerglass Networks Confidential 10 REFLEXION 64x64 Switch Packs Dimensions: 4.5” x 9.5” x 7.0” Power: 20 watts Fiber Cover & Connectors (inside) Serial Communications Diagnostic Port Power Connector (in rear) Electrostatic Grounding Port Glimmerglass Networks Inc. Confidential Photonic Switching Module (inside) Ethernet Communications Control Port Optical Channel Power Monitoring Card Switch Pack Servo Controller Card (inside)

11. v 220702Glimmerglass Networks Confidential 11 Simplicity Begets Performance Low Insertion Loss: 3.0 dB max, <2.0 dB typical  -5 o C to 70 o C operating range  Includes connectors Superior Switching: 10 ms typical  Single Connection  Simultaneous Reconfiguration (All Connections)

12. v 220702Glimmerglass Networks Confidential 12 Reliable Billions Of Cycles Without MEMS Failure  Bulk Micromachining, > 99% Yield  Tested To 2000 G’s Electrostatic Actuation Done Properly  Linear Operation  Mechanical Snap-down Protection Synchronous Closed-loop Control  Drift, Vibration Compensation  Connection Assurance

13. v 220702Glimmerglass Networks Confidential 13 Superior Switching Simultaneous Reconfiguration Vibration Isolation Temperature Stability Fast Switching Connection Integrity Ripple-Free Output Dynamic Port Reconfiguration Intelligent Control Mirror Control Parametric Model Continuous Optical Monitoring Active Compensation Dynamic Feedback Connection Assurance All Connections... All The Time Robust Design Hermetic Sealing Tolerancing CTE Matching Hinge Design

14. v 220702Glimmerglass Networks Confidential 14 Open Platform Single Mode Fiber  Standard Wavelengths (O,C,L) No Proprietary Interfaces  Simple, Open Protocol (GSMP Based) Direct Access To Switch  User Application-driven Build Your Own Solution  We Don’t Lock You In

15. v 220702Glimmerglass Networks Confidential 15 REFLEXION Switching System Input & Output Fibers (rear) REFLEXION 64 Switch Pack Power Supply (in rear) Dimensions: 19” x 10.5” x 12” (W x H x D), (6U) 1 U Fan Tray Rack-Mount Connectors Expansion Slots

16. v 220702Glimmerglass Networks Confidential 16 Cost-Effective Lower CAPEX  Simple Design + High Yields Lower OPEX  Smallest Footprint, Lowest Power Expandable  32 To 512 Ports Pay As You Grow Flexibility  Eight-port Software Activation

17. v 220702Glimmerglass Networks Confidential 17 US List Pricing and Availability RFX-64 32-port Upgradeable $112,500Includes Switch Pack, 64 Port Patch Panel (LC) Eight Port Activation$18,000 RFX-32 Fixed 32 Port $90,000Includes Switch Pack, 32 Port Patch Panel (LC) All Products Are Generally Available Today Standard Order Interval Is 12 Weeks Educational/Research Discounts Available

18. v 220702Glimmerglass Networks Confidential 18 Initial Applications Test Automation  Major Telco Uncompressed HD video networking  Department of Defense

19. v 220702Glimmerglass Networks Confidential 19 Future Developments 128-port And 256-port Switch Packs  1024 Design Validation Future Control Plane Enhancements  GMPLS, OBGP

20. v 220702Glimmerglass Networks Confidential 20 Summary High-Performance Photonic Switching Products Transparent, Simple, Affordable, Available, Open

21. v 220702Glimmerglass Networks Confidential 21 Glimmerglass Networks