1. Power Matters. © 2013 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.™ Hartmut Roth hartmut.roth@microsemi.com VP Sales EMEA, Frequency and Time Division

2. Power Matters.™ 2 © 2013 Microsemi Corporation. COMPANY PROPRIETARY About Microsemi  Global provider of semiconductor solutions for applications focused on delivering power, reliability, security and performance.  High-value, high barrier-entry markets: –Aerospace –Defense & Security –Communications –Industrial and Medical  Established in 1960 About $1.3B in revenue About 3,000 employees Worldwide presence RF/Analog, ASIC, SoC, FPGA Systems and Sub-systems Aliso Viejo, CA

3. Power Matters.™ 3 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Proven, Experienced Management Team John W. Hohener Executive Vice President, CFO, Secretary and Treasurer Steven G. Litchfield Executive Vice President and Chief Strategy Officer Robert C. Adams, Vice President Corporate Development James J. Peterson Chairman and CEO John M. Holtrust Senior Vice President, Human Resources David Goren Senior Vice President Business, Legal and Compliance Rick Goerner Senior Vice President Worldwide Sales Jim Aralis Chief Technology Officer Paul Pickle President and COO GMT Microelectronics Kelly Jones Senior Vice President Corporate Operations Russell R. Garcia Executive Vice President Marketing

4. Power Matters.™ 4 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Microsemi Market Focus Based on FQ3 2012 revenue Wireless Backhaul Base Station Routing & Switching Networking Access & CPE Wireless Terminal Optical Transmission Communications Defense & Security Aerospace Industrial Military Communication Military Aircraft Unmanned Vehicle Information Assurance Security Scanners Anti-Tamper Commercial Air Engine Control Avionics Actuation Space Power Delivery Payload Electronics Launch Systems Industrial Control Medical Devices Alternative Energy Hybrid Vehicles SEMI Cap Equipment Machine to Machine

5. Power Matters.™ 5 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Provision Broad Customer Relationships

6. Power Matters.™ 6 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Industry’s Broadest Product Portfolio Aerospace Industrial Communications System Products & Capabilities Integrated Circuit Products RF & Power Components Defense & Security

7. Power Matters. © 2013 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.™ Microsemi Frequency and Time Division (FTD)

8. Power Matters.™ 8 © 2013 Microsemi Corporation. COMPANY PROPRIETARY FTD generates, distributes, and applies precise time Frequency & Time Division What Does FTD Do?

9. Power Matters.™ 9 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Timing Technologies & Solutions Telecom Solutions Primary Reference Management Systems Synchronisation OEM Subsystems DOCSIS Timing Frequency References GPS Instrumentation T&F DistributionBus Level Timing Space Defence AvionicsNetwork Time Servers Timing Test & Measurement Global Services ConsultingEngineering and Installation Maintenance and Support Operations and Growth Training Hi-Rel QuartzRubidiumCesiumGPS TimingBesTimeHydrogen Maser Core Technology Core Timing Technologies Core Tech Competence BesTime NTP IEEE1588 DTI

10. Power Matters.™ 10 © 2013 Microsemi Corporation. COMPANY PROPRIETARY 10 Systems Product  Trad Synch/Packet Time  GPS Inst / Sync Server  Clocks: 5071, Masers  TaaS: Time as a Service Module Products  CSAC / Rb Clocks  GPSDO / Modules  Compact Common Clock Government Programs  Frequency References  GPS Time/Freq Receivers & Distribution  Hi-Rel Ruggedized  Custom and Configurable Frequency and Time Division (FTD)

11. Power Matters.™ 11 © 2013 Microsemi Corporation. COMPANY PROPRIETARY PoE Power Sourcing Equipment (PSE)  Switch PoE embedded in network switch Most common/convenient PoE source  Midspan PoE System installed with exiting non-PoE Switch Power is part of the utility infrastructure, not the network Most Flexible PoE solution – larger product selection More efficient – less energy consumption GREEN Optimal for high power solutions

12. Power Matters.™ 12 © 2013 Microsemi Corporation. COMPANY PROPRIETARY PoE Midspan Product Portfolio: Indoor Solutions  15.4W up to 95W per port  High efficiency  Supports 10/100/1000Mbps data rates  EMI Class B  IEEE802.3af/IEEE802.3at compliant  1 Port PoE Solutions AC or DC Power input Small foot print  Multi-Port PoE Solutions Powers 4 to 24 end devices 19’’ Rack mount Remote Management and Mutual Backup

13. Power Matters.™ 13 © 2013 Microsemi Corporation. COMPANY PROPRIETARY PoE Is Going Outdoors!  30W/60W output power, IEEE802.3at  Outdoor Rated - IP66  Lightning Protection - GR 1089  Supports data rate 10/100/1000 Mbps  UV Protection  Outdoor UL : 60950-22  Wall mount or Pole mount  AC Input with 3m AC cable  NA with US Connector  INT with open wires

14. Power Matters.™ 14 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Core Competencies  Worldwide Leader in Time and Frequency Synchronisation  Design, own & manufacture all core Time & Frequency Technologies Hydrogen Masers Cesium Rubidium SmartClock TM BesTime TM DOCSIS 3+ DTI IEEE 1588 / PTP More than 50 Patents  Industry Driver: ITU-T standards participation ATIS board member IEEE  Global Service and Support  Manufacturing and Quality (TL-9000) Perfect Timing. It’s Our Business.

15. Power Matters.™ 15 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Network Synchronisation Telecom Networks

16. Power Matters. © 2013 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.™ Global Sync & Time market drivers

17. Power Matters.™ 17 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Largest Frequency & Time Market Driver are mobile networks  20 years PDH SDH (pointer adj., MSC, BSC E1 sync) 1G, 2G (GSM), 2,5G (Edge), 3G (UMTS) mobile networks  5 years SDH IP Backhaul (Freq. over IP? – PTP, Sync E) 3G (UMTS), 4G (LTE) mobile networks MSCC over 250 networks globally synchronized via PTP frequency !!  now Freq over IP Time & Phase over IP Backhaul 5G LTE advanced (small cells ….)

18. Power Matters.™ 18 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Key Standards ITU-TContent CommentsStatus G.8265.1Frequency profileUsed in G.8275.2Consented G.8272 Primary Reference Time Clock (PRTC) The source of time/phase Consented G.8275.1 Time Profile Full On-Path Support Designed for new L2 networks: BC every NE Consented G.8273.x Assisted Partial Timing Support Synthesizing GNSS & PTP Work In Progress G.8275.2 Time Profile “Partial” on-path support How to enable existing networks Work In Progress

19. Power Matters.™ 19 © 2013 Microsemi Corporation. COMPANY PROPRIETARY PRC / PRTC Primary Reference Clock / Primary Time Reference Clock FREQUENCY PRC (ITU G.811 1x10-11) Frequency distribution requires a Primary Reference Clock (PRC) The PRC is usually have 3 PRS (Cesium clock, GPS)  The PRC output is a telecom frequency such as 2048kHz or framed E1 output TIME & PHASE PRTC (G.8272 100ns to UTC)  Time/Phase distribution requires a Primary Reference Time Clock (PRTC)  This reference must come from GNSS  The PRTC output is a 1PPS ideally with timestamp or time code  This timestamp must be linked to UTC.

20. Power Matters.™ 20 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8272 Primary Time Reference Clock (PRTC) with PTP GM and PRC / PRS functions  PRTC with physical layer frequency input/output and embedded T-GM output function * * ref: Figure 7b/G.8275 <100 nsec + PRS

21. Power Matters.™ 21 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Actuell Mobile Wireless Synchronization Requirements Mobile Technology Frequency Input into Base Station Inter Cell Phase Alignment N/A ± 1.5µs ± 0.5 to ± 1.5µs ± 1.5µs ± 1 to ± 32µs 16 ppb FDD LTE-TDD eICIC CoMP MBSFN MBMS LTE-A

22. Power Matters.™ 22 © 2013 Microsemi Corporation. COMPANY PROPRIETARY The Problem: The Time Error Budget ±100 ns Total Error Budget +/- 1.5 µsec Transport, Noise, & Network AsymmetryeNB PRTC ± 400 nsec± 1000 nsec SOURCE OF TIME USE OF TIME

23. Power Matters.™ 23 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.1 PTP Time Profile (Version 1)

24. Power Matters.™ 24 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.1 Time Profile: Full On Path Support Attributes PRTC PTP Multicast over Layer 2 network “Time Boundary Clock” (T-BC) on every network element Physical layer frequency support from syncE (needs a PRC) Hops: 10 to 20 hops depending on precision of BC Attempts to provide “hop” count engineering guideline for time/phase Network need be calibrated to eliminate asymmetry PRC GM End Equipment Time Slave Clock T-SC PRTC GNSS Packet Network with T-BC T-BC

25. Power Matters.™ 25 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.2 PTP Time Profile (Version 2)

26. Power Matters.™ 26 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.2 Time Profile Partial On Path Support Attributes PRTC Optional “Time Boundary Clock” (T-BC) on network elements PTP over Layer 3 Unicast mode “Segments” are added together to make an end-to-end sync chain Optional Physical layer frequency support Hop count engineering: still Work in Progress in ITU Assisted Partial Timing Support (APTS) possible PRC GM End Equipment Time Slave Clock T-SC PRTC GNSS T-BC G.8265.1 Unicast Segment 1G.8265.1 Unicast Segment 2

27. Power Matters.™ 27 © 2013 Microsemi Corporation. COMPANY PROPRIETARY PTP Time Transfer Using Assisted Partial Timing Support (APTS )

28. Power Matters.™ 28 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Synthesizing GNSS & PTP Using Assisted Partial Timing Support (APTS) APTS PRTC maybe placed at any point on the sync chain It is expected that most deployment will be at points near to the eNB where the time error budget can be most easily controlled PRC Frequency ref GM End Equipment Time Slave Clock T-SC PRTC GNSS Packet Network G.8265.1 Unicast Segment 1G.8265.1 Unicast Segment 2 PRTC APTS Node

29. Power Matters.™ 29 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.2 + APTS ( Assisted Partial Timing Support) Edge Packet Network PRTC Grandmaster PTP FLOWS End Equipment (Base stations) unicast mode segment EM ASYMMETRY CALIBRATION GM T-SC APTS node T-SC

30. Power Matters.™ 30 © 2013 Microsemi Corporation. COMPANY PROPRIETARY G.8275.1 Compared To G.8275.2 G.8275.1 1. Needs PRTC 2. No APTS 3. Centralized architecture 4. Boundary Clocks on every network element 5. SyncE end to end 6. Cannot be deployed on existing MPLS networks 7. PTP multicast 8. No migration from G.8265.1 G.8275.2 1.Needs PRTC 2.Can use APTS Assisted Partial Timing Support 3.Distributed architecture 4.Optional Boundary Clocks (may be stand alone) 5.Optional Frequency support 6.Can be deployed on existing MPLS networks 7.PTP Unicast 8.Easy migration from G.8265.1

31. Power Matters. © 2013 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.™ Sync Product Update

32. Power Matters.™ 32 © 2013 Microsemi Corporation. COMPANY PROPRIETARY AGGREGATION CORE End to End PackeTime Portfolio SSU 2000 TimeHub 5500 Macro eNodeB Metro Small Cells ACCESS 100s to 1000s of clients Grandmaster Central Office TDM, PTP, Sync-E 100s to 1000s of clients Grandmaster Central Office TDM, PTP, Sync-E 8 to 64 clients GM or BC Indoor / Outdoor TDM, PTP, Sync-E 8 to 64 clients GM or BC Indoor / Outdoor TDM, PTP, Sync-E TimeProvider ® 2300 TimeProvider ® 2700 Centralized Grandmaster Clocks Edge Master Clocks TimeProvider ® 5000 Macro, Pico, & L2/L3 & Routers Macro, Pico, & L2/L3 & Routers Embedded PTP Hardware Clients (formerly Zarlink) TimePictra End to End Synchronization Network Management

33. Power Matters.™ 33 © 2013 Microsemi Corporation. COMPANY PROPRIETARY  Adding Google Maps Display large numbers of elements Use the GNSS Information Show PTP Trail back to the Grand Master  SNMP Collection of data from any PTP Client Flexible Long Term Trending  Lots of other goodies Keeps the excitement going TimePictra Release 10.3

34. Power Matters.™ 34 © 2013 Microsemi Corporation. COMPANY PROPRIETARY Response Times Modern applications demand greater Time and Frequency precision Holdover Hours  Few years ago, Networks could survive weeks in holdover  Now Frequency PTP networks can survive with holdover for a few days  Time / Phase PTP Networks can only survive a few hours  Few years ago, Networks could survive weeks in holdover  Now Frequency PTP networks can survive with holdover for a few days  Time / Phase PTP Networks can only survive a few hours

35. Power Matters.™ 35 © 2013 Microsemi Corporation. COMPANY PROPRIETARY TimePictra – manage most MSCC products Telecom Enterprise Network Manager HFT Testing Measurement Analysis

36. Power Matters.™ 36 © 2013 Microsemi Corporation. COMPANY PROPRIETARY IP Sync Portfolio Positioning AggregationCore SSU2000 TimeProvider ® 5000 Metro Outdoor Large Venues Enterprise Up to 1000 Clients GM Central Office TDM, PTP, Sync-E Up to 64 clients GM or BC Indoor / Outdoor TDM, PTP, Sync-E Edge Up to 16 Clients GM or BC Indoor / Outdoor PTP, Sync-E Small Cells Outdoor GNSS L1 GNSS CMPG TimeProvider ® 2700 / 2300 L1 GNSS

37. Power Matters.™ 37 © 2013 Microsemi Corporation. COMPANY PROPRIETARY SyncWorld® PTP Ecosystem Program Network Equipment Test and Measurement Microwave Backhaul Silicon Categories Small Cells

38. Power Matters. © 2013 Microsemi Corporation. COMPANY PROPRIETARY Power Matters.™ Thank You Hartmut Roth hartmut.roth@microsemi.com hartmut.roth@microsemi.com