Slide 1 Orion Telecom Networks Inc xcvcxv Updated: April,2010Orion Telecom Networks Inc VCL-MX™ Version 5 12 E1 Voice & Data Multiplexer Product Presentation

Slide 2 Orion Telecom Networks Inc VCL-MX, E1 Voice & Data Drop-Insert Multiplexer  Carrier class and cost-effective bandwidth provisioning equipment designed to manage and deliver services from the optical core to the access  Used for inter-connecting legacy voice and data networks, provisioning and managing bandwidth on a E1 channelized level as well as 64Kbps, DS-0 time-slot level and as a digital-access cross-connect equipment  Easy network manageability  Low cost per line  Easy upgradeability  Carrying both voice and data over PDH  Easy integration to SDH network  Higher reliability  SNMP Management  Network Management System. Product Overview:

Slide 3 Orion Telecom Networks Inc  2Mbps, 12 E1 non-blocking cross-connect at 64Kbps (DS-0) level  Single Control Card  1+1 Redundant Power Supply  May be used in a Point-to-Point, Point-to-Multi point, Add-Drop (drop-insert), Tree and Star topology  Telnet  SNMP V2  In-band and Out-of-band management  GUI - Easy to use Graphical User Interface  NMS - SNMP V2 based Network Management System. Features: VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 4 Orion Telecom Networks Inc  Integrated Voice and Digital Data services  Any combination ("mix-n-match") of voice and digital data services deployed from a single VCL-MX "Smart Shelf” - 2 channels per card  User programmable ABCD CAS signaling option  Digital Data option may be used for internet access or video conferencing application  SCADA applications  19-inch, 6U high construction. Additional Features: VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 5 Orion Telecom Networks Inc  Compliance with all relevant ITU-T (CCITT) recommendations  Field upgradable to provide voice, data or both services  Flexibility on use of transmission medium-copper, fiber or wireless  Choice of Interfaces for Voice and Data Applications  RS232, Interface for local connection through the serial interface to the "Network Control and Management Software”  USB Interface for local connection through the serial interface to the “ Network Control and Management Software”  10/100BaseT Interface for remote connection over a TCP-IP link to the "Network Control and Management Software”  In-band and Out-of-band system configuration and management interface  Channel assignment independent of slot position in the sub-rack. Highlights: VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 6 Orion Telecom Networks Inc  Extensive set of alarms  User configurable Internal, External or Loop-timed synchronization clock options  Supports 120 Ohms and 75 Ohms TTL External synchronization clock options  Provides 120Ohms external synchronization clock output  Integrated OAM (Operations and Management) Card  Any interface card can plug in at assigned interface slot. Highlights:  Copper  Optical Fiber  Wireless. Transmission Mediums: VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 7 Orion Telecom Networks Inc Provides full range of POTS (voice) and digital data services to subscribers located at different locations, requiring to interconnect and establish a voice and data network over an E1 link. Voice Interfaces:  FXO  FXS  E&M (2 Wire and 4 Wire)  FXS-FXS (Hot-line)  FXS-C-FXS-C (15-way conference)  Magneto (GEN-GEN)  Ring Generator (75V RMS). VCL-MX Version #5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 8 Orion Telecom Networks Inc Data Interfaces:  Channelized E1 / Fractional E1 Data  RS232 asynchronous data  V.24 synchronous data / asynchronous data  64 Kbps, co-directional  V.35, V.36, X.21, V.11, RS442, RS530, “n”x64Kbps data  V.35, V.36, X.21, EIA530, V.11, V.28, RS485, 64Kbps  10BaseT Bridge Interface Card  Analog I/O Card (Dry Contact)  Digital I/O Card (TTL signal)  Universal Data Interface Card (user configurable data interface)  BRI (2B+D) ISDN.  Complete Capability to Cross Connect Voice and Digital data between 12 incoming E1 ports (i.e. 12 separate connecting E1 links) VCL-MX Version #5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 9 Orion Telecom Networks Inc Front View: Voice and Data Drop-Insert Multiplexer with In-band Management Interface and “n” x 64 Kbps data options VCL-MX Version #5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 10 Orion Telecom Networks Inc Rear View: VCL-MX Version #5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 11 Orion Telecom Networks Inc Applications of VCL-MX Version 5  POTS (voice), digital data, or real-time video conferencing services (V.35, V.36, X.21, 10BaseT Ethernet Bridge) high-speed digital data interface options allows video conferencing channel of up to 1920 Kbps)  Junction Mux - for digital interconnection of analog exchanges.  Point-to-Point, Point-to-Multi point, Add-Drop (drop-insert), Tree and Star topology applications  Wireless network applications  High-speed data ports for digital communication links providing leased  Lines access to Internet Service Provider (ISPs) with speeds ranging from 64Kbps up to 1920 Kbps digital data interface options. VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 12 Orion Telecom Networks Inc  Micro-Cellular infrastructure applications for providing cell-switch connectivity  Wide area networking  Internet Access over POTS lines - All POTS interfaces 64Kbps and support V.34 (33.6Kbps) dial-up modems. Applications of VCL-MX Version 5 VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 13 Orion Telecom Networks Inc Application # 01: VCL-MX, 12 E1 Voice & Data Multiplexers Connecting over Digital Microwave Radio Links Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 14 Orion Telecom Networks Inc Application # 02: VCL-MX, 12 E1 Voice & Data Multiplexers Connecting over Optical Fiber Links Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 15 Orion Telecom Networks Inc Application # 03: VCL-MX, 12 E1 Voice & Data Multiplexer Connecting at the Central Office/Switch - E & M Interfaces Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 16 Orion Telecom Networks Inc Application # 04: VCL-MX, 12 E1 Voice & Data Multiplexer Using in a Subscriber Loop Point to Point or Drop/Insert Application Applications FXO/JNC 2 wire exchange loop interface card FXS/SLC 2 wire subscriber loop interface card VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 17 Orion Telecom Networks Inc Application # 05: VCL-MX 12 E1 Voice & Data Multiplexer Providing Synchronous (X.21, V.35, V.36, RS530) “n x 64” Kbps Data Interfaces DCE- Remote DCE Configuration Data Interface Card (Application A) Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 18 Orion Telecom Networks Inc Application # 05: VCL-MX 12 E1 Voice & Data Multiplexer Providing Synchronous (X.21, V.35, V.36, RS530) “n x 64” Kbps Data Interfaces DCE- Remote DTE Configuration Data Interface Card (Application B) Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 19 Orion Telecom Networks Inc Application # 06: VCL-MX 12 E1 Voice & Data Multiplexer Providing Voice and Synchronous (V.11, X.21, V.35, V.36, RS422, RS530) “n x 64” Kbps Data Interfaces Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 20 Orion Telecom Networks Inc Application # 07: For providing Hybrid Voice and Data Services Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 21 Orion Telecom Networks Inc Application # 08: VCL-MX 12 E1 Voice & Data Multiplexer used in Add-Drop, Tree and Star Configuration Applications VCL-MX, E1 Voice & Data Drop-Insert Multiplexer

Slide 22 Orion Telecom Networks Inc Thank you for your attention For more details visit us at our Website at Regional Office: Miami, Florida Orion Telecom Networks Inc Ponce de Leon Blvd. Suite 470, Coral Gables, FL U.S.A. Phone: , Fax: Website: Headquarters: Phoenix, Arizona Orion Telecom Networks Inc , Avenue of the Fountains, Suite # 108, Fountain Hills, AZ U.S.A. Phone: , Fax: Website: VCL-MX, E1 Voice & Data Drop-Insert Multiplexer