RFo G GEPON Training August 11

RFo. G & GEPON Training August 11 – 12 St. Kitts August 14 – 15 Puerto Rico Tim Fisher Executive Director of Sales – Alloptic www. alloptic. com Alloptic, Inc. Proprietary

FTTP Solutions n RFo. G & GEPON technologies use industry standard Passive Optical Network (PON) architectures (Minimum requirements = 20 Km reach with 32 splits) n For an end-to-end solution, a complete suite of Head End / Hub and customer premise equipment is necessary n This enables Service Providers to provide triple-play services that include: § IP and/or TDM voice § IP and/or RF video § HSIA and/or B 2 B LAN Interconnect § Other Ethernet-based capabilities include: § Security: alarm monitoring, video surveillance, etc… § Backhaul: Cell Towers, Wi. Fi/Wi. Max, etc… § Harsh environments: Marinas, Seaside & Mountain resorts, etc… Alloptic, Inc. Proprietary Page 2

HFC-RFo. G Comparison Head. End / Hub Laser Transmitter CMTS Splitter splitter Customer Premises Node Return Path Receiver EDFA Video Feed Core Network Optical Distribution Node Return Path Receiver Traditional HFC RFo. G Laser Transmitter EDFA Micro. Node Video Feed Core Network WDM CMTS Alloptic, Inc. Proprietary Return Path Receiver Page 3 Splitter Micro. Node

Traditional HFC Architecture Head. End / Hub Downstream Video Feed Optical Distribution Network (typically 6 fibers) Nodes of 100 - 400 homes with 4 coax trunks Coax with RF amplifiers Forward Path 1550 or 1310 nm Laser Transmitter EDFA Traditional Node Return Path Receiver Return Path 1310 nm § § Requires separate fibers forward and return paths Every node requires a return path receiver in the hub Doesn’t provide upstream ingress or impulse noise suppression All node users share the 4 upstream channels used for cable modem data service, voice traffic, etc. Alloptic, Inc. Proprietary Page 4 Customer Premise

RFo. G Architecture 1550 nm Laser Transmitter FTTH (RF Only) EDFA Communications Entertainment Security Micro. Node Residence RF Video Feed FTTMDU (RF Only) Return Path Receiver CMTS Communications Entertainment BMS Micro. Node Multi-Tenant Communications Security Automation 1590 nm / 1310 nm 2λ WDM 1550 nm FTTB (RF Only) Micro. Node Small Business MSO Head. End n Architecture 1 x. N PON Splitters § Single strand of fiber § No active components in the ODN § 32 splits (centralized, distributed, cascaded, etc. ) § Up to 75 Km reach n Services Delivered § § § 2 -Way RF Video Residential Data (DOCSIS) Residential Vo. IP Basic Business Data (DOCSIS) Business Vo. IP No changes to Head. End or Customer Premise Alloptic, Inc. Proprietary Page 5

RFo. G for Homes Optical Distribution Network Hub / Headend Voice Network Video, Voice & Data – Combined Signal Alloptic Laser Transmitter EDFA IP Application Switch 1550 nm Downstream Customer Premises Alloptic 1 x 32 Splitter Micro. Node WDM Cable Modem CMTS Return Path Receiver 1310 nm or 1590 nm Upstream STB ITU-T 20 Km reach 1310 nm or 1590 nm Upstream A single fiber supports both forward and return path One return path receiver can be shared by many Micro. Nodes Transceiver must operate in “Burst Mode” § Upstream laser is turned on only during an RF burst from the cable modem or STB § Ingress and impulse noise is substantially reduced or eliminated entirely § Facilitates bandwidth recovery Page 6 Alloptic, Inc. Proprietary § § §

RFo. G For Hotels, Resorts, Apartments… (MDUs) Multi-Tenant Building – Single or Multiple Floors Head. End or Hub Additional EDFAs Downstream Video Feed RF Combiner Room 1 EDFA Additional PONs & WDMs Micro. Node Transceiver 1550 nm Laser Transmitter Optical Splitter APT 1 Uses existing coax distribution wiring Upstream CMTS Feed to IP Network & Vo. IP Switch Page 7 Room 2 Condo 3 WDM Return Receiver Alloptic, Inc. Proprietary RF AMP APT n

RFo. G to the Curb Pole or Strand mount hubs Coax drops 1550 nm Laser Transmitter Micro. Node 1550 nm EDFA CMTS 1 x 32 Splitter + 20 Km of fiber WDM RP Xmtr Coax RF amps Micro. Node RPR 1310 nm Hub “Node” size can be 32, 64, 96, 128, 256 (increments of 32) Micro. Node 100’s of meters of coax Coaxial Cable Fiber § § RFo. G transceivers must be temperature hardened (-40 C to +65 C) RF signal quality can be amplified for coax distances and splits RF signal levels upstream and downstream must be considered when engineering the RF amplifiers and coax cable distances. Shared users greatly reduces the cost per user Alloptic, Inc. Proprietary Page 8

Burst Mode Operation 1. CMTS schedules the Cable Modem to transmit data 3. Micro. Node senses burst; turns on laser for 2. Cable modem sends burst of data duration of data Cable Modem Laser Transmitter EDFA 1 1550 nm Micro. Node STB WDM Splitters Micro. Node Video/RF Feed CMTS RPR 4. Core Network 5. CMTS proceeds to next scheduled device Alloptic, Inc. Proprietary 1310 nm Page 9 RPR receives data; sends it to CMTS n Micro. Node

Burst On-Time Preamble Cable Modem Transmission Micro. Node Burst begins within 1. 22μS Micro. Node Transmission Alloptic, Inc. Proprietary Page 10 Data

Micro. Node Transmitter Burst Timing Ramp-Up Phase Preamble Cable Modem Transmission Micro. Node Transmission 1. 0 μS 220 n. S into the Ramp Up Phase, the Micro. Node laser transmitter begins to turn on Laser reaches “on” state 1. 0 u. S later Total response time = 1. 22 u. S Alloptic, Inc. Proprietary Page 11

Upstream Bandwidth Improvement Laser state prevents ingress and impulse noise RFo. G (Micro. Node) usable spectrum upstream = 37 MHz HFC typical spectrum upstream 27 MHz 0 5 10 15 20 25 30 35 40 MHz 42 RFo. G Micro. Nodes provide 37% more usable RF upstream Alloptic, Inc. Proprietary Page 12

Downstream Bandwidth Improvement RFo. G downstream spectrum = 50 -1100 MHz HFC typical spectrum downstream 50 -870 MHz 0 50 100 200 300 400 500 600 700 870 1000 1100 RFo. G Micro. Nodes provide 28% more downstream BW Alloptic, Inc. Proprietary Page 13

Optical Budget Considerations § For optimum future growth § RFo. G networks should be designed for PON compatibility § ITU and IEEE PON standards focus on 20 Km / 32 splits per fiber § Allows future applications using CWDM or DWDM wavelengths on the same fiber network § 26 d. B optical budget supports most configurations with… § Connectors § 32 splits § 20 Km reach § Typical loss parameters for Micro. Node fiber plant: 17. 0 d. B splitter budget for 32 splits is standard 2. 4 d. B for connector losses at 6 points (. 4 db / connector) 0. 2 d. B for fusion splicing at 6 splice locations 1. 5 d. B for 1590 nm WDM coupler (1. 4 d. B downstream @ 1550 nm) 21. 1 d. B total for splitter, splicing, connectors, WDM 4. 4 d. B 25. 5 d. B Alloptic, Inc. Proprietary fiber distance loss - 20 Km @. 22 d. B / Km = 4. 4 d. B loss budget downstream and 25. 5 db loss upstream Page 14

Downstream Levels (1550 nm) Downstream Channel Lineup 1550 nm signal is OK 0. 0 d. Bm to -6. 0 d. Bm is good +21 d. Bm +3 d. Bm 1550 nm Laser Transmitter 2. 6 d. Bm -5. 9 d. Bm EDFA +19. 6 d. Bm Drop fiber Micro. Node +6 d. Bm To CMTS / STB Controller Return Receiver WDM Cassette 1 x 32 Splitter 8. 5 d. B loss for fiber + splicing + connectors OLT IP Video Data, Vo. IP 1490 nm Downstream TDM Voice TDM Business Alloptic, Inc. Proprietary Page 15 Fiber Distribution 20 Km = 4. 4 d. B loss

Upstream Levels (1590 nm) Downstream Channel Lineup -5. 5 d. Bm 1550 nm Laser Transmitter +3. 0 d. Bm 1550 nm Downstream EDFA Drop fiber -22. 5 d. Bm Micro. Node -24. 0 d. Bm To CMTS / STB Controller Return Receiver 1590 nm Upstream WDM Cassette 1 x 32 Splitter 8. 5 d. B loss for fiber +splicing + connectors OLT IP Video Data, Vo. IP 1310 nm Upstream 1490 nm Downstream TDM Voice TDM Business Alloptic, Inc. Proprietary Page 16 Fiber Distribution 20 Km= 4. 4 d. B loss

Micro. Node OSPE 301 Enclosure Key Capabilities n Specifically for stand-alone Micro. Node applications § Compatible with MNTH 101, MNTH 104, MNTH 121 MNTH 124, MNTH 151, MNTH 154 n Small footprint: 9. 5” x 8” x 3. 5” n Suitable for outside wall mounting § § § n n n Temperature-hardened UV resistant NEMA rated Meets or exceeds telco and MSO requirements Fiber termination and splice facilities to TR-771 specifications Easy maintenance for installer/maintenance personnel Includes: Enclosure, mounting plate + splice tray No adhesive mounted components Safety grounding Alloptic, Inc. Proprietary Page 17

RFo. G Architecture upgraded to TDM voice, HSDS & IPTV Downstream Video Feed Hub Optical Distribution Network Customer Premises STB 1550 nm Laser Transmitter EDFA Downstream Video 1 x. N Splitters Return Path Receiver 1590 nm Micro. Node WDM 150 Upstream Data Control & Power OLT Chassis ITU-T 20 Km reach 1490 nm Downstream Data TDM GEPON ONT 1310 nm Upstream Data § § § X Cable Modem Single fiber supports two-way RF, as well as GEPON or GPON One return path receiver can be shared by many Micro. Nodes in the field Provides a seamless migration path to high bandwidth services using an ONT Alloptic, Inc. Proprietary Page 18 IP Video HSDS

All-In-One Enclosure (Deployment Scenario – Business - Retail) Alloptic, Inc. Proprietary Page 19

Micro. Node Model Comparison 1550 nm Laser Transmitter ü No ONT Support 1 x. N EDFA 1550 nm Micro. Node Splitter Return Path STB Controller Cable Modem MNTH 101 WDM To CMTS / STB 1310 nm Receiver Micro. Node 101 Application 1550 nm Laser Transmitter 1550 nm Cable Modem Splitter STB Micro. Node Cable Modem MNTH 121 WDM To CMTS / STB Controller 1590 nm Return Path Receiver IP Video Data, Vo. IP TDM Voice TDM Business Unused Splitter Port Unused GEPON Port ü Standard 1550 nm Downstream RF 1 x. N EDFA STB MNTH 101 n 1310 nm Upstream may conflict with PON wavelength n Cable Modem / STB for upstream data STB Micro. Node Cable Modem MNTH 121 1490 nm Downstream 1310 nm Upstream ü ONT-Friendly n 1590 nm Upstream prevents 1310 nm wavelength conflict ü Standard 1550 nm Downstream RF OLT Chassis Micro. Node 121 Application ONT 1550 nm Laser Transmitter 1 x. N 1550 nm Micro. Node STB Splitter EDFA MNTH 151 Cable Modem WDM To CMTS / Return Path STB Controller 1590 nm Receiver Unused GEPON Port IP Video Data, Vo. IP TDM Voice TDM Business Unused Splitter Port 1490 nm Downstream 1310 nm Upstream OLT Chassis Micro. Node 151 Page 20 Alloptic, Inc. Proprietary. Application Unused Port ONT ü ONT Supported n 1590 nm Upstream prevents 1310 nm wavelength conflict n Port for ONT ü Standard 1550 nm Downstream RF ü WDM for PON support

FTTH Migration Head. End / Hub Downstream Channel Lineup Optical Distribution Network Customer Premises Micro. Node MNTH 151 1550 nm 1550 nm Laser Transmitter EDFA 1 x 32 Splitter 1590 nm To CMTS/ STB Controller IP Video Data, Vo. IP Unused Port Return Path WDM ITU-T 20 Km reach Receiver ONT Unused Splitter Port ONT OLT 1490 nm Downstream 1310 nm Upstream TDM Voice TDM Business Alloptic, Inc. Proprietary ONT Page 21

Why Gigabit Ethernet? n High-speed technology n Ideal platform for Internet Protocol (IP) n Ethernet offers best price/performance § Market leader in computer data networking § Costs distributed over large & competitive market § Creates a continuous decline in costs & improved performance (10, 1000, 10000 Mbs) § Other PON architectures can not keep up § No provisions for anything beyond 2. 5 Gbps Alloptic, Inc. Proprietary Page 22

Incremental Business Revenues n n n n Private Line Services T 1 Aggregation Ethernet Private Line and Virtual Private Line Ethernet VPLS (TLS) Cellular Backhaul Wi. Fi/Wi. MAX Hotspot Backhaul Hosted Vo. IP Services § Managed Services (Hosted IP PBX) § IP Centrex Alloptic, Inc. Proprietary Page 23

Atlantis FTTSlip Solution Harbormaster Facilities • One network for ALL services • PON & RFo. G networks on one fiber • Universal RFo. G transport • Up to 32 slips on one PON fiber CATV from Cable Bahamas EVLT 0201 1550 nm (CATV) Downstream Video 1490 nm Downstream V&D Voice 1 splitter ETGWT 281 IP Data 32 GEPON OLT ONT inside the Enclosure & Pedestal 1310 nm Upstream V&D ONT inside the Enclosure & Pedestal Alloptic, Inc. Proprietary Page 24 • Broadcast TV • HS Data • Telephone

Triple-Play Distribution System Alloptic, Inc. Proprietary Page 25

Inside the Pedestal Wood. Head passthrough RJ 11 connector Fiber from Dock House The ONT provides LAN, Vo. IP or POTS voice and RF CATV or IP video using a single fiber as the transport media Wood. Head passthrough RJ 11 connector Wood. Head passthrough RJ 45 connector Signal from power and water meters Alloptic, Inc. Proprietary Page 26 Enclosure Schneider Electric Momentum Ethernet Distributed I/O base collects information from water and power meters and delivers to data concentrating unit. Pedestal

Protected fiber applications: Modified Ring Topology Unprotected Home ONTs Single Fiber from OLT Design Considerations: n No Change at the chassis n Network loss plan remains 28 db n 32 ONTs on 1 PON remains n 20 km fiber reach remains n Extended distances supported Protected ONTs: n XGEN 1000 n XGEN 5000 n XGEN 6000 n XGEN 7000 n XGEN 8000 Passive Splitter Dual PON Capability Enables: n Diverse Routed Fiber n Automatic ONT re-ranging n Supports Modified Ring Topology n Signals Switchover Event & Status n No Specialized Head. End Hardware required n Flexible Design using Cascaded Passive Splitters n Protects TDM and Data Services n Protects customers & services against facilities and hardware faults Alloptic, Inc. Proprietary Page 27 Unprotected Residential ONTs

Backhaul Applications n Alloptic Has Extended the Definition of PON § Beyond residential to a complete services network § Support for MDU/MTU subscribers § Support for SLA-quality business services § Support for Backhaul applications n Backhaul requirements § High bandwidth from a single point § Alloptic delivers up to 1 Gbps from a single ONT § TDM services: Low Latency/Jitter T 1/E 1 § Alloptic has patented TDM technology to transport TDM without the latency and other concerns with circuit emulation § Ability to support multiple services from a single ONT § Ethernet & T 1/E 1 TDM Interfaces § Multiple Ethernet ports for backhaul and/or other services § Video Surveillance § Environmental & Intrusion Alarms § Equipment telemetry Alloptic, Inc. Proprietary Page 28

Cellular Backhaul – Up to 10 x T 1/E 1 Communications Network DS 3 or OC 3 to PSTN PON/ONTs Security Monitoring Ethernet Core Network Optical Splitter Ethernet BTS Up to 10 T 1/E 1 Multiport ONT Ethernet GEPON OLT Cell Site Operations Center Cell Site Services Supported n T 1/E 1 Backhaul and Grooming to DS 3 n Alarms and Monitoring n Video Surveillance Alloptic, Inc. Proprietary Page 29 Alarm Panel § Security § Environmental § Power

Hybrid GEPON & RFo. G Customer Premise Head. End / Hub Communications Entertainment FTTH 1550 nm Laser Transmitter Micro. Node EDFA Residence Communications Entertainment RFo. G Architecture Return Path FTTMDU Receiver Micro. Node Multi-Tenant Optical Splitter Passive WDM Splitter/Combiner 1 32 Communications Security Entertainment Automation FTTH 1490 nm PON downstream 1310 nm PON upstream 1550 nm RF downstream 1590 nm RF upstream Edge 2000 OLT Residence Communications Security Automation FTTB GE-PON Architecture Home 4000 ONT GEPON Business, Wireless Backhaul, etc. Biz. Gear 200 ONT Corporate Offices/ Business Parks Xgen 1000 ONT FTTB/FTTC Alloptic, Inc. Proprietary Page 30 Small Business/ Xgen 7000 ONT Shopping Centers Communications Security Automation

In Summary… Ø RFo. G – Cost effective alternative to HFC for FTTP while requiring no changes to existing back office systems and CPE Ø GEPON – A true Ethernet switching system that makes it inherently well suited for the delivery of IP and Legacy services…not simple transport Ø Hybrid – Shares the same Outside Plant for Business, MDU and Residential services Ø Field proven, available today! Alloptic, Inc. Proprietary Page 31

Imagine the Possibilities Alloptic, Inc. Proprietary Page 32