1. Orion Telecom Networks Inc. - 2012Slide 1 Ethernet over Multi E1 (4/8/16E1) Updated: Aug, 2012Orion Telecom Networks Inc. - 2012 Ethernet over Multi E1 (4 / 8 / 16 E1) Product Presentation

2. Orion Telecom Networks Inc. - 2012Slide 2 Ethernet over Multi E1 (4/8/16E1) Product Overview  Ethernet over Multi E1 Converter allows the user to connect to Ethernet sites over point to point E1 link / links  The device can effectively utilize the existing TDM network to transport Ethernet data with low investment.  One or more than one (up to 16) E1 links can be used to carry the Ethernet data over E1 link as per the application requirement  Flexible Interface options - E1 (120 / 75 Ohms) and Ethernet (Optical / Electrical)  E1 Options - Available in 4E1, 8E1 and 16E1 port versions  Ethernet Options – 4 Electrical or 1 Optical + 3 Electrical  LCAS feature supported to adjust the bandwidth automatically according the availability of E1 links without disturbing the current running services.

3. Orion Telecom Networks Inc. - 2012Slide 3 Ethernet over Multi E1 (4/8/16E1) Product Overview  IEEE 802.1Q and 802.1P based QoS features supported  Redundant Power supply option available in AC + DC configuration  Plug and play for the simple point to point application (No configurations required).  Data rate recovery after restoration of lost E1 (LCAS)  Automatic data rate management according to number of available E1 links  Maximum cable length supported (upto 1000 feets / 333 meters). Salient Features

4. Orion Telecom Networks Inc. - 2012Slide 4 Ethernet over Multi E1 (4/8/16E1)  Provides 4 Ethernet 10/100BaseT (Electrical) Ports for each converter  Provides 3 Ethernet 10/100BaseT (Electrical) Ports and 1 Ethernet (Optical) Port for each converter – (Optional)  Supports Auto Adaptive three working modes of E1 transmission. Un-Framed (Transparent), Framed PCM 30 and Framed PCM 31 formats  Supports VCAT (virtual concatenation) and LCAS (link capacity adjustment scheme) protocol, and complies with ITU-T G.7042 Specifications  Mapping to E1 complies with ITU-T G.7043 and G.8040 specifications  Supports VLAN tagging as per 802.1Q  Supports 802.1 based QoS feature  Supports base priority classification for incoming 802.1Q packets  Supports IEEE 802.1p standard recommended Class of Service traffic categorization. Features and Highlights

5. Orion Telecom Networks Inc. - 2012Slide 5 Ethernet over Multi E1 (4/8/16E1)  Supports 802.1p priority classification for ingress packets  Provides 4 different user selectable ratios (0:1, 1:2, 1:5 and 1:10) for delivery of high and low priority packets  Supports 802.1 p based classification of 802.1Q based VLAN Packets which provides a Mechanism for implementing Quality of Service (QoS)  User selectable ports for enabling / disabling the QoS service  Supports port based priority if the Equipment fails to classify the 802.1Q packets  Supports port based Ethernet bandwidth limit for ingress traffic  Port based Ethernet limit allows user to provide different speed for the different customers to utilize bandwidth according to their requirement  Supports differential delay of up to 120ms on E1 Links  Complies with IEEE 802.3 specifications Features and Highlights

6. Orion Telecom Networks Inc. - 2012Slide 6 Ethernet over Multi E1 (4/8/16E1)  Supports X.86, LAPS and HDLC transmission protocols  Supports 10M / 100M, Half / Full duplex and auto-negotiate mode  Frame size 1916 bytes (MTU size)  Supports GFP-F encapsulation complying with ITU-T G.7041  Supports port based Ethernet bandwidth limit for ingress traffic  Port based Ethernet limit allows user to provide different speed for the different customers to utilize bandwidth according to their requirement  Supports differential delay of up to 120ms on E1 Links  Complies with IEEE 802.3 specifications  Supports X.86, LAPS and HDLC transmission protocols  Supports 10M / 100M, Half / Full duplex and auto-negotiate mode  Supports GFP-F encapsulation complying with ITU-T G.7041. Features and Highlights

7. Orion Telecom Networks Inc. - 2012Slide 7 Ethernet over Multi E1 (4/8/16E1)  Provides Automatic smooth adjustment of Ethernet bandwidth as per the availability of carrier (E1) links  Provides visual alarm (LEDs)  Alarm Display select switch  Provides error frame statistic  Supports automatic removal and addition of E1 Links without interrupting current services  Available with MAC address list filtration, learning and updating functions  A large external SDRAM buffering for handling data bursts  E1 Interfaces support errors count  Supports two synchronization clock modes, Internal clock and Network clock (Loop-Timed clock). Features and Highlights

8. Orion Telecom Networks Inc. - 2012Slide 8 Ethernet over Multi E1 (4/8/16E1)  10/100BaseT Ethernet management interface  RS232 serial management interface  Remote (Telnet) management interface  Windows XP based Graphical User Interface (GUI)  Windows 7 based Graphical User Interface (GUI)  SNMP V2 Monitoring  NMS (Network Management System) for monitoring multiple units from a single / central location. Management and Maintenance

9. Orion Telecom Networks Inc. - 2012Slide 9 Ethernet over Multi E1 (4/8/16E1) Alarms and Indicator Monitoring  Power Indicator  General Alarm Indicator for E1 and Ethernet Link  Descriptive E1 alarm by alarms select DIP switch  E1 Alarm for individual E1 port (1-16)  Code Violation History (CV_HIS) Alarm on E1 port  Loss Of Signal (LOS) Alarm on E1 port  Group ID (GID) mismatch alarm  Generic Framing Procedure (GFP_LOF) Loss Of Frame Alarm  Ethernet Link Indicator  Ethernet Speed Indicator  Ethernet History Error Alarm (ETH_ERR)  SNMP Diagnostic and Monitoring.

10. Orion Telecom Networks Inc. - 2012Slide 10 Ethernet over Multi E1 (4/8/16E1) Applications  The equipment may be used for the following purposes: Bridging Ethernet LANs over existing TDM (E1) telecom network. Extending Ethernet networks utilizing TDM (E1) landline based telecom infrastructure Using telecom network of E1s/PDH/SDH microwave etc. carrying E1s to transport Ethernet data Interconnecting DSLAMS to Central Routers over PDH/SDH telecom networks Interconnecting IP based GSM base stations Interconnecting Wi-Max base stations  In all cases the equipment must be always installed and used in pairs, with one terminal being installed at either end of the network.

11. Orion Telecom Networks Inc. - 2012Slide 11 Ethernet over Multi E1 (4/8/16E1) Application Diagram Point to point network (Shared Link Mode) E1 Link LAN ROUTER TDM Network E1 Link Ethernet over Multi E1 LAN ROUTER

12. Orion Telecom Networks Inc. - 2012Slide 12 Ethernet over Multi E1 (4/8/16E1) Application Diagram Point to point network (Discrete Link Mode) E1 Link Ethernet over Multi E1 LAN ROUTER LAN ROUTER Ethernet over Multi E1 TDM Network

13. Orion Telecom Networks Inc. - 2012Slide 13 Ethernet over Multi E1 (4/8/16E1) Front Panel Description

14. Orion Telecom Networks Inc. - 2012Slide 14 Ethernet over Multi E1 (4/8/16E1) Global Indicators PWR (Green)Power indicator ALMIndication Of General Alarm CV_HISCode Violation history LOAIndication for threshold exceeding of the differential delay GIDIndication for the mismatch of the Group ID GFP_LOFIndication for the Loss of Frame (LOF) of Generic Framing Procedure ETH_ERRIndication of historical Ethernet error Tributary Status Indicators LED’s 1-16E1 Tributary Status

15. Orion Telecom Networks Inc. - 2012Slide 15 Ethernet over Multi E1 (4/8/16E1) Display Select Switches LOSShow LOS of E1 Signal – ON / OFF CVShow Code Violation of E1 – ON / OFF AISShow AIS on E1 Tributary – ON / OFF LOFShow Loss Of Frames on E1 Tributary – ON / OFF ERR_OVERBER exceeding threshold – ON / OFF CRC4Framing (CRC4) Error – ON / OFF EX_LOOPE1 Tributary Loop Back – ON / OFF VCAT_ERRVCAT Alarm – ON / OFF Config Switch RLOOPEnable / Disable Remote Loop Back ADDR0-3NE Address Switch

16. Orion Telecom Networks Inc. - 2012Slide 16 Ethernet over Multi E1 (4/8/16E1) Other Switches and Ports Masking SwitchMask / Unmask the E1 alarms PowerPower ON / OFF Switch RS232 ManagementRS232 Management Port EMUEthernet Management Port for Telnet and SNMP

17. Orion Telecom Networks Inc. - 2012Slide 17 Ethernet over Multi E1 (4/8/16E1) Back Panel Description Ethernet (Electrical) and E1 (120 Ohms - RJ45)

18. Orion Telecom Networks Inc. - 2012Slide 18 Ethernet over Multi E1 (4/8/16E1) Back Panel Description Ethernet (1 Optical + 3 Electrical) and E1 (120 Ohms - RJ45)

19. Orion Telecom Networks Inc. - 2012Slide 19 Ethernet over Multi E1 (4/8/16E1) Back Panel Description Ethernet (Electrical) and E1 (75 Ohms - BNC)

20. Orion Telecom Networks Inc. - 2012Slide 20 Ethernet over Multi E1 (4/8/16E1) Back Panel Description Ethernet (1 Optical + 3 Electrical) and E1 (75 Ohms - BNC)

21. Orion Telecom Networks Inc. - 2012Slide 21 Ethernet over Multi E1 (4/8/16E1) AC and DC Power Supply Ethernet Interface Options  All 4 Electrical Ethernet Ports – Standard configurations  3 Electrical + 1 Optical Ethernet Ports - Optional Power SlotTwo power Sockets, one for 110V AC - 240V AC (50/60 Hz), the other is -48V DC (36V to 72V) in 1+1 Redundant mode. E1 Interface Options  120 Ohms – RJ 45  75 Ohms - BNC

22. Orion Telecom Networks Inc. - 2012Slide 22 Ethernet over Multi E1 (4/8/16E1) Management Options  Easy to use CLI commands through RS232 serial connection and TCP/IP TELNET connection  SNMP V2 Management through MIB browser  DIP switch settings given on front panel  Windows XP / Windows 7 based GUI (Graphical User Interface) to access the equipment over RS232 serial connection, TCP/IP and SNMP protocol. Alarms and Indicator Monitoring  SNMP based Alarms (TRAPS) event monitoring through MIB browser and NMS  Visual alarm indicators in the front panel  Ethernet (Data) port speed and mode status.

23. Orion Telecom Networks Inc. - 2012Slide 23 Ethernet over Multi E1 (4/8/16E1)  Monitoring and Managing multiple systems from a central location over RS232 serial connection (Local) TCP/IP TELNET and SNMP (LAN or Remotely) NMS (Networks Management System) built in GUI

24. Orion Telecom Networks Inc. - 2012Slide 24 Ethernet over Multi E1 (4/8/16E1) For more details visit us at our Website at http://www.oriontelecom.com Thank you for your attention Regional Office: Miami, Florida Orion Telecom Networks Inc. 4000 Ponce de Leon Blvd. Suite 470, Coral Gables, FL 33146, U.S.A. Phone: 1-305-777-0419, Fax: 1-305-777-0201 E-mail: sales@oriontelecom.com Website: http://www.oriontelecom.com Headquarters: Phoenix, Arizona Orion Telecom Networks Inc. 16810, Avenue of the Fountains, Suite # 108, Fountain Hills, AZ 85268 U.S.A. Phone: +1 480-816-8672, Fax: +1 480-816-0115 E-mail: sales@oriontelecom.com Website: http://www.oriontelecom.com