1. Stay ahead with RAD Training Presented by: Jacky Acoca Product Line Management Emulated Services over PSN – IPmux, Gmux

2. Emulated Services over PSN for TS2009 Slide 2 Outline Pseudowire/TDMoIP Concept Market Overview, Customers and trends Applications and benefits Product Offering

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4. Emulated Services over PSN for TS2009 Slide 4 What is TDM PWE / TDMoIP? Protocol for extending TDM circuits over PSN: IP, Ethernet or MPLS Terminology TDMoIP Circuit Emulation(CE) Pseudowire (PWE) PWE provides: Transparency to signaling protocols (CAS, PRI, SS7…) Ideal for voice, video & data applications Investment Protection – migration to PSN without compromising rich legacy features

5. Emulated Services over PSN for TS2009 Slide 5 RAD’s TDM Pseudowire Solution Preserves investment in legacy equipment in migration to PSN Carrier-grade TDM voice or data over packet networks Low latency but no compression Maintains clock synchronization Lowers OpEx of TDM service by utilizing packet infrastructure Pseudowire Tunnel Packet Network PE POP/HUB/CO PWE Gateway TDM Service TDM Service Last Mile PE

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7. Emulated Services over PSN for TS2009 Slide 7 Target Customers Enterprises, government and public institutes Preserving investment in legacy TDM equipment Reducing monthly transport cost Carriers Alternative carriers can increase revenue by selling TDM services Incumbents can reduce OpEx – one transport network

8. Emulated Services over PSN for TS2009 Slide 8 Market Trends Growing availability of PSN with QoS and traffic engineering in the WAN Growing fiber deployment to the Business (xPON) Incumbents are pressed to reduce OpEx and evaluating TDM PW Standardization RAD is considered as market leader in TDM PW with good products (70% of the market) Over 110,000 RAD TDMoverIP ports installed since 2000 Over 50,000 RAD TDMoverIP ports installed in the last two years only

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10. Emulated Services over PSN for TS2009 Slide 10 Legacy Leased Lines over any Packet Access Technology Target Customers: Alternative Carriers and Cables MSOs Enterprises and public institutes looking to save on leased line costs Incumbents in migration or out of their network reach GbE Fixed Wireless n x E1/T1 or Ch.T3 or Ch.STM-1/OC-3 Cable HFC Infrastructure Gmux-2000 ETH/IP/MPLS Core Network xDSL PSTN Ethernet over Cable FE / GbE IPmux-24 n x E1/T1 ETH PBX n x E1/T1 ETH IPmux-216 PBX IPmux-24 n x E1/T1 ETH PBX IPmux-2L n x E1/T1 ETH PBX GbE/FE over Fiber (Pt-2-Pt, xPON) LA-110 n x E1/T1 ETH PBX SHDSL Serial

11. Emulated Services over PSN for TS2009 Slide 11 Business Case – USA 12/2008 “Speakeasy Provides Cost Savings for Small Businesses, Cutting Ethernet Broadband Prices and Doubling T1 Speed” Price for 2 x T1 leased lines (3 Mbps): $760 per month Price for 3 Mbps Ethernet bandwidth: $380 per month ROI for IPmux-24/FE/2T1: $1815/$380 = 4.7 months Note: The cost of E1/T1 leased line is proportional to the distance and can be higher than what is mentioned above

12. Emulated Services over PSN for TS2009 Slide 12 Benefits and RAD’s Advantages Customer Benefits For the enterprise end user Preserving investment in legacy TDM equipment Reducing transport cost For the carrier end user Alternative carriers can increase revenue by selling TDM services Reducing OpEx – one transport network Standards based TDM over packet using any access method RAD Advantages Long term experience in TDM pseudowire – since 1999 Variety of emulated services and interfaces: E1/T1, serial (V.35/X.21), analog voice Comprehensive pseudowire functionality Most advanced synchronization capabilities Full solution: remote and aggregation devices

13. Emulated Services over PSN for TS2009 Slide 13 TDM Backhaul/Trunking over PSN Target Customers: Alternative Carriers Large enterprises Benefits: Save on STM-1 leased line cost Small footprint with high capacity: 196 x E1/T1 or 7 x Ch.T3 in a 6U high chassis Best price/performance in the market SDH GbE Gmux-2000 Class 5 Switch E1/T1/Ch.T3 Ch.STM-1/OC-3 E1/T1/Ch.T3 PBX Ethernet/ MPLS/IP GbE Gmux-2000

14. Emulated Services over PSN for TS2009 Slide 14 Leased Lines over xPON – Typical Application GbE n x E1/T1 or C.STM-1 Gmux-2000 PSTN n x T1 IPmux-216 PBX n x T1 PBX IPmux-24 ONT OLT SFP-ONT GEPON only Passive Splitter FE ETH 1 x T1 PBX MiTOP ONT Customer Benefits: Offering TDM services over PON infrastructure Advantage: Multiple clock domains Low E2E delay over the PON transport Highly accurate clock recovery

15. Emulated Services over PSN for TS2009 Slide 15 Cellular Backhaul over Packet Target Customers: Telecoms, incumbent and alternative, selling services to cellular operators Benefits: Supports multiple operators at the same tower Provides reliable replacement for cellular backhaul comparable to TDM, with jitter and wander conforming to G.823 and 16ppb clock accuracy CapEx savings: Eliminates the need for accurate clock source at every base station 196 x E1/T1 Ch. STM-1/Ch. OC-3 2G BSC E1\T1 BTS ETH/ MPLS/ IP FE GbE IPmux-24A BTS E1\T1 Gmux-2000 Clock

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17. Emulated Services over PSN for TS2009 Slide 17 CPE/CLEPoP/CO/HubAccess/Aggregation Gmux-2000 IPmux-216 IPmux-24 Entry Level TDM Pseudowire Gateway Family IPmux-2L, IPmux-4L (Q1/2009) IPmux-155L (Q1/2009) IPmux-1E

18. Emulated Services over PSN for TS2009 Slide 18 TDM PW Available Product Line Products TDM Service Ethernet ServiceNetwork LinkStandards MiTOP 1 T1/E1Provided by the host switch CESoPSN SAToP IPmux-1E 4 FXS/FXO/E&M 4 BRI 1 user port Rate limit (optional) 1 UTP/Fiber Fast Ethernet TDMoIP IPmux-2L v1.0 1/2 E1 Nx64 Serial port 2xUser - Rate limiting - VLAN tag+stack 1x FE UTP/SFP TDMoIP CESoPSN SAToP IPmux-24 v1.0 1/2/4 T1/E1 1xUser, 1xNet/User - Rate limiting - VLAN tag+stack - MEF 9&14 EPL 2x FE/GE, UTP/SFP TDMoIP CESoPSN SAToP IPmux-216 v1.0 8 or 16 T1/E1 1xUser, 1xNet/User - Rate limiting - VLAN tag+stack - MEF 9&14 EPL 2xFE/GE, UTP/SFP TDMoIP CESoPSN SAToP Gmux-2000 v3.2 196x E1/T1 or 2 x C.OC-3/STM-1 or 7 x C.T3 FE Management 2 UTP or SFP GE TDMoIP CESoPSN SAToP

19. Emulated Services over PSN for TS2009 Slide 19 TDM PW – Value Proposition Saving money Preserves investment in legacy equipment in migration to PSN Lowers OpEx of TDM service by utilizing packet infrastructure Simple configuration Carrier-grade TDM voice or data Highly Accurate Clock Recovery OAM, NMS and security capabilities Transparency No compression, no Silence Suppression Uniform TDM access all first mile infrastructure types are supported Standardized solution

20. Emulated Services over PSN for TS2009 Slide 20 www.rad.com Thank you for your attention