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RAD’s Ethernet Access Over PDH/SONET/SDH Solutions Products Update RAD’s Ethernet Access Over PDH/SONET/SDH Solutions Products Update

Agenda • Market Trends • Product Family Topology & Target Customers • Products Update Agenda • Market Trends • Product Family Topology & Target Customers • Products Update • Egate-100 • RICi-16 • RICi-E 1/T 1 • RICi-155 GE & RICi-622 GE • Typical Applications • Summary • Q&A confidential Slide 2

ETHo. PDH/SONET/SDH Market Trends • Customers demand higher bandwidth capacity • Fiber to the ETHo. PDH/SONET/SDH Market Trends • Customers demand higher bandwidth capacity • Fiber to the business reaches 15% of companies • Cellular use TDM link and FE links at the same site • 2 main applications: • IP DSLAMs backhauling • Wi. MAX BTS backhauling confidential Slide 3

Ethernet Access over PDH Customer Premises E 1/T 1 RICi-E 1/T 1 Ethernet Customer Ethernet Access over PDH Customer Premises E 1/T 1 RICi-E 1/T 1 Ethernet Customer Premises Provider’s Node RICi-4/8 Egate-20 N*E 1/T 1 FE Ethernet 8 * E 1/T 1 Customer Premises Egate-100 PSN Eth/IP/MPLS STM-1/OC-3/3*DS 3 GE SDH/ SONET RICi-16 N*E 1/T 1 Ethernet N* E 1/T 1 FE RICi-16 Customer Premises E 3/T 3 N*E 1/T 1 FE RICi-16 Ethernet RICi-E 3/T 3 Customer Premises E 3/T 3 confidential RICi-E 3/T 3 Ethernet Slide 4

Ethernet over SONET/SDH Customer Central Site Gb. E PSN Eth/IP/MPLS RIC-155 GE RICi-622 GE Ethernet over SONET/SDH Customer Central Site Gb. E PSN Eth/IP/MPLS RIC-155 GE RICi-622 GE Gb. E RIC-155 GE RICi-155 GE STM-1/OC-3 Gb. E STM-1/OC-3 SDH/ SONET STM-4/OC-12 Customer RICi-622 GE Gb. E STM-4/OC-12 Customer 4 x STM-1/OC-3 RICi-155 GE Gb. E 4 Units Gb. E RICi-155 GE confidential Slide 5

IP DSLAM and Wi. MAX Backhauling over SDH/SONET “on-net” POP IP DSLAM RICi-4 E IP DSLAM and Wi. MAX Backhauling over SDH/SONET “on-net” POP IP DSLAM RICi-4 E 1/4 T 1 RICi-8 E 1/8 T 1 RICi-16 E 1/16 T 1 POP Egate Gb. E PSN RICi-155 GE RICi-622 GE Gb. E x. DSL FE n x E 1/T 1 Wimax STM-1/ OC-3 POP SDH/ SONET E 3/T 3 BTS FE RICi-E 3/T 3 STM-4/OC-12 c POP IP DSLAM STM-1/OC-3 STM-4/OC-12 c FE/Gb. E x. DSL RICi-155 GE RICi-622 GE • Generate new revenues by expanding customer base on existing infrastructure • Use of simple Layer 2 technology • Support for wide range of access data rates confidential Slide 7

Out-of-Footprint Ethernet Connectivity POP Customer Premises n x E 1/T 1 Bonding FE LAN Out-of-Footprint Ethernet Connectivity POP Customer Premises n x E 1/T 1 Bonding FE LAN RICi-4 RICi-8 RICi-16 SDH/ SONET CH. STM-1/OC-3 c (APS) or 3 x DS-3 Customer Premises Gb. E Egate-100 PSN ETH/IP/MPLS Network FE/Gb. E ETX-102/ ETX-201/ ETX-202 LAN Transport Provider Service Provider • Alternative carriers increasing service reach with leased lines • End-to-end service control and SLA measurements using Ethernet service OAM • Different services over a single line • Rate versatility – from E 1/T 1 to to STM-4/OC-12 • Bonding solution – 16 x E 1/T 1 to bridge the bandwidth gap between E 1/T 1 and E 3/T 3 confidential Slide 8

Egate-100 Product Overview • Two CH-STM 1/OC-3 optical interfaces: • SFP pluggable interface • Egate-100 Product Overview • Two CH-STM 1/OC-3 optical interfaces: • SFP pluggable interface • 1+1 APS • Three channelized T 3 ports • BNC • Two Gb. E, optical or electrical interface: • SFP pluggable interface for optical interfaces • Electrical 10/1000 Base. T • Gb. E port redundancy (link aggregation- per 802. 3 ad) • NEBS Compliant • Two power supplies (AC/DC), hot swappable confidential Slide 9

Version 3 beta Q 1 2008 • New protocol support for RICi-16 using: • Version 3 beta Q 1 2008 • New protocol support for RICi-16 using: • GFP (G. 8040) • VCAT (G. 7043) • LCAS (G. 7042) • ETH OAM 802. 3 ah • Dedicated 10/100 Base. T OOB MNG port • New hardware confidential Slide 10

RICi-16 New Offering n x T 1 T 3 BTS RICi-16 FE Node B RICi-16 New Offering n x T 1 T 3 BTS RICi-16 FE Node B ADM Central Office Gb. E Egate RNC SDH/ SONET n x E 1/T 1 FE RICi-16 Node B 63/84 x E 1/T 1 BSC Optimux-1551 ADM 2 x T 3 FE RICi-16 Node B • Flexible bandwidth allocation with circuit bonding • Reduces Opex by using one central management system, flexible service provisioning (64 kbps to n x E 1/T 1) • Capex reduction through leverage of the existing SDH/SONET/PDH links confidential Slide 11

RICi-16 Product Overview • PDH interfaces • 4, 8 or 16 E 1/T 1 RICi-16 Product Overview • PDH interfaces • 4, 8 or 16 E 1/T 1 framed ports • Two Channelized or Un-Channelized T 3 • Encapsulation and bonding: • GFP (G. 8040), VCAT (G. 7043) & LCAS (G. 7042) • Ethernet interfaces • 4*10/100 Base. T interfaces • 1 SFP based 10/100 port- Version 2. 1 confidential Slide 12

Generic Frame Procedure (GFP) Advantages • Standard protocol • Allow interoperability between different vendors Generic Frame Procedure (GFP) Advantages • Standard protocol • Allow interoperability between different vendors • Reduced latency, for time-sensitive services • Byte by byte transmission (unlike IMA & MLPPP): • Fixed overhead (unlike HDLC): • Improved line utilization • predictable throughput regardless of data transmitted confidential Slide 13

RICi-16 Version 2. 10 Beta, January 2008 • Channelized T 3 (T 1(TDM)o. T RICi-16 Version 2. 10 Beta, January 2008 • Channelized T 3 (T 1(TDM)o. T 3 & ETHo. T 1 o. T 3) • ETH over n. XT 1 (n Up to 16) • Up to 16 T 1 circuits can be mapped over channelized T 3 • Any mix of the above up to total of 28 T 1 • 2 x. T 3 clear channel (VCAT)- support up to ~100 Mpbs uplink • Multi VCG (up to 16) • Support optional FE SFP port • NEBS Compliance confidential Slide 14

RICi-E 1, RICi-T 1 What's new in the product? (Version 2. 10) • New RICi-E 1, RICi-T 1 What's new in the product? (Version 2. 10) • New standard encapsulation: GFP-G. 8040 • Extreme temperature: -22– 70°C (7. 6– 158°F( • 24 VDC metal box enclosure support extreme temperature • Physical E 1/T 1 port changed • Flow control support at 100 MHz confidential Slide 15

RICi-155 GE & RICi-622 GE Central Site Customer RICi-155 GE Gb. E PSN Eth/IP/MPLS RICi-155 GE & RICi-622 GE Central Site Customer RICi-155 GE Gb. E PSN Eth/IP/MPLS RICi-622 GE Gb. E STM-1/OC-3 SDH/ SONET STM-4/OC-12 Customer RICi-622 GE Gb. E STM-4/OC-12 Customer 4 x STM-1/OC-3 • RICi-155 GE Gb. E 4 Units • Two STM 1/OC-3 Gb. E RICi-155 GE • RICi-622 GE • Two STM 4/OC-12 confidential Slide 16

RICi-155 GE, RICi-622 GE Products Overview • Two Gb. E, optical or electrical interface: RICi-155 GE, RICi-622 GE Products Overview • Two Gb. E, optical or electrical interface: • SFP pluggable interface for optical interfaces • Electrical 10/1000 Base. T • Offers Gb. E redundancy with 802. 3 ad • Two STM 1/OC-3 or STM-4/OC-12 optical interfaces: • STM-1/OC-3 bonding for 300 Mbps throughput • STM-4/OC-12 bonding for 1. 2 Gbps throughput • 1+1 APS • 10/100 port- Out Of Band MNG • 1 U 19” box or 1 U 23” box (NEBS Comply) • Two power supplies (AC/DC), hot swappable confidential Slide 17

RICi-155/622 GE Benefits Without Concatenation VC-3 48. 384 Mbps SONET/SDH VCAT 79% wasted 8% RICi-155/622 GE Benefits Without Concatenation VC-3 48. 384 Mbps SONET/SDH VCAT 79% wasted 8% wasted 10 Mbps VC-12 VC-12 (2. 176 Mbps) VCG • Concatenating or Non-Concatenating offers: • Non-Concatenating applications • Alternative carrier • Simple connectivity • Concatenating applications • Incumbents • Allow rate limiting • Low order concatenation confidential Slide 18

Version 1. 0 Features • Encapsulation: • GFP (G. 7041 )/ LAPS (X. 86) Version 1. 0 Features • Encapsulation: • GFP (G. 7041 )/ LAPS (X. 86) • VCAT (G. 7043) & LCAS (G. 7042): • Redundancy: • SONET/SDH: • 1+1 (APS) link protection • LCAS (G. 7042) path protection • Gb. E: 802. 3 ad (Link Aggregation Protocol) without LACP confidential Slide 19

Version 1. 0 Features Cont. • Traffic classification to EVC/Flow according to: • Port-based Version 1. 0 Features Cont. • Traffic classification to EVC/Flow according to: • Port-based (All-in-one bundling) • User port + CE-VID • User port + CE-VLAN priority • EVC/ EVC. Co. S support • Policing CIR, EIR (2 Rate 3 Colors) • Quality of Service (Qo. S): • 4 Priority Queues ST • Mapping to priority according: • Flow based • VLAN priority (802. 1 p) • Certification: • MEF 9 EPL & EVPL • MEF 14 EPL & EVPL confidential Slide 20

Version 1. 0 Features- Cont. • Management: • SNMPv 3 • Secure Web session Version 1. 0 Features- Cont. • Management: • SNMPv 3 • Secure Web session (SSL) • Secure Telnet session (SSH) • Radius authentication system • Fault Management: • Two way fault propagation • NTP confidential Slide 21

Schedule • RICi-155 GE: • Currently Beta • RICi-622 GE: • Beta Q 1/2008 Schedule • RICi-155 GE: • Currently Beta • RICi-622 GE: • Beta Q 1/2008 confidential Slide 22

Remote Management Remote Site RICi-E 1/T 1 Headquarters Egate-100 Gb. E CPE FE Remote Remote Management Remote Site RICi-E 1/T 1 Headquarters Egate-100 Gb. E CPE FE Remote Site CH. STM-1/OC-3 c (APS) RICi-E 1/T 1 SDH/ SONET or 3 x DS-3 E 1/T 1 CPE Service Network FE PSN Remote Site Management Station RICi-E 1/T 1 CPE FE • Using widely deployed SDH/SONET infrastructure to provide management services • Reduced OPEX by managing remote devices when in-band management is not available • Low cost, small footprint confidential Slide 24

Product Line Summary Device TDM Ethernet Egate-100 Ch STM-1/OC-3 Ch 3 x T 3 Product Line Summary Device TDM Ethernet Egate-100 Ch STM-1/OC-3 Ch 3 x T 3 2 x Gb. E Egate-20 Ch 8 x E 1/T 1 4 x FE RICi-E 1/T 1 E 1/FE 1, T 1/FT 1 FE Egate-100 Egate-20 RICi-16 RICi-4 E 1/T 1 RICi-8 E 1/T 1 8 x E 1/T 1 4 x FE Egate-100 RICi-16 16/8/4 x E 1/T 1 2 x T 3 4 x FE RICi-16 Egate-100 RICi-E 3/T 3 FE RICi-E 3/T 3 RIC-155 GE STM-1/OC-3 Gb. E RIC-155 GE RICi-155/622 GE 2 x STM-1/OC-3 2 x STM-4/OC-12 Gb. E RICi-622 GE Aggregators CPEs confidential Center Slide 25

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