VCLMX Version 3 STD Standard Version VCLMX Version

VCL-MX Version 3 -STD (Standard Version) VCL-MX™ Version 3 -STD (Standard Version) E 1, 2 Mbps 30 Channel Drop-Insert Voice & Data Multiplexer Product Presentation Orion Telecom Networks Inc. - 2010 Slide 1 2010 Updated: October, Slide 1

VCL-MX Version 3 -STD (Standard Version) Product Overview • E 1 voice and data, Drop-Insert (Add-Drop) Multiplexer • Provides wide range of POTS (voice) and digital data services • Integrates analog communication equipment with digital E 1 interface. • Effective CLI (text) and GUI (Graphical User Interface) based "Network Management System”. • Remote monitoring and management of the inter-connected systems. • Both Inband Out-Of-Band configuration and monitoring options • An extensive set of alarms, for easy maintenance are provided in the system. Orion Telecom Networks Inc. - 2010 Slide 22 Slide

VCL-MX Version 3 -STD (Standard Version) Voice Interface Options • FXO • FXS • E&M (2 Wire and 4 Wire) • Hot-Line (FXS-FXS) • Ring Generator (75 V RMS) • Magneto (GEN-GEN) Orion Telecom Networks Inc. - 2010 Slide 33 Slide

VCL-MX Version 3 -STD (Standard Version) Data Interface Options • RS 232 asynchronous data • RS 485 asynchronous data • G. 703 @ 64 Kbps, co-directional synchronous data • i. DSL @ 128 Kbps • V. 35, n X 64 Kbps • V. 36, n X 64 Kbps • X. 21, n X 64 Kbps • RS 530, n X 64 Kbps • 10 Base. T Bridge Interface Card • Fractional E 1 (FE 1) • Universal Data Interface Card (User Configurable Data Interface) Orion Telecom Networks Inc. - 2010 Slide 44 Slide

VCL-MX Version 3 -STD (Standard Version) VCL-MX-Version # 3 -STD (Standard Version) Voice and Data Drop-Insert Multiplexer with In-band Management Interface and “n” X 64 Kbps data options Front View Orion Telecom Networks Inc. - 2010 Slide 55 Slide

VCL-MX Version 3 -STD (Standard Version) Rear View Core System Composition Description Part No. 19 -Inch Shelf 3 U high Slot 1 Slot 2 Slot 3 to 12 19 -Inch Shelf and Backplane Power Supply Card Ringer Card 10 User Configurable voice & data interface(s) VCL-MX-003 VCL-MX-010 VCL-MX-040 As per user requirement Slot 13 to 16 “n” X 64 Kbps interface cards As per user requirement Slot 17 Slot 18 NMS/Telnet Management Card Control Card with In-band Management Orion Telecom Networks Inc. - 2010 VCL-MX-NMS VCL-MX-015 -3 Slide 66 Slide

VCL-MX Version 3 -STD (Standard Version) Features • Voice and Digital Data services. • Any combination ("mix-n-match") of Voice and Digital Data services deployed from a single VCL-MX "Smart Shelf". • Drop and Insert applications. • Digital Data option may be used for internet access or video conferencing application • Wireless applications including Cellular Networks. • Digital Microwave Radio. • Frame Relay circuit termination. • Powerful Network Management System for monitoring and network control. • Compliance with all relevant ITU-T (CCITT) recommendations. • 3 U high, compact construction. Orion Telecom Networks Inc. - 2010 Slide 77 Slide

VCL-MX Version 3 -STD (Standard Version) Highlights • 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. • RS-232, PC Interface "Network Control And Management Software". • In-band system configuration and management interface. • Out-of-band system configuration and management interface through 10 Base. T Terminal (Optional) • Channel assignment independent of slot position in the subrack. • Extensive set of alarms. • User Configurable Internal or Loop-Timed synchronization clock options. Orion Telecom Networks Inc. - 2010 Slide 88 Slide

VCL-MX Version 3 -STD (Standard Version) Transmission Mediums • Copper • Optical Fiber • Wireless Orion Telecom Networks Inc. - 2010 Slide 99 Slide

VCL-MX Version 3 -STD (Standard Version) Applications of VCL-MX Version 3 -STD POTS (voice), digital data, or real-time video conferencing services (V. 35, V. 36, X. 21, RS 530, 10 Base. T Ethernet Bridge) high-speed digital data interface options allows video conferencing channel of up to 1984 Kbps). • Junction Mux - for digital interconnection of analog exchanges. • Drop & Insert applications. • Wireless network applications. • High-speed data ports for digital communication links providing Leased Lines access to Internet Service Providers (ISPs) with speeds ranging from 64 Kbps up to 1984 Kbps digital data interface options. • Micro-Cellular infrastructure applications for providing cell-switch connectivity. • Wide area networking. • Internet Access over POTS lines - All POTS interfaces operate @ 64 Kbps and support V. 34 (33. 6 Kbps) dial-up modems. Orion Telecom Networks Inc. - 2010 Slide 1010 Slide

VCL-MX Version 3 -STD (Standard Version) Applications Application # 01: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Connecting over Digital Microwave Radio Links Orion Telecom Networks Inc. - 2010 Slide 1111 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 02: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Connecting over Digital Satellite Circuits Orion Telecom Networks Inc. - 2010 Slide 1212 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 03: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Connecting over Optical Fiber Links Application # 04: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Connecting over HDSL Links Orion Telecom Networks Inc. - 2010 Slide 1313 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 05: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Connecting at the Central Office/Switch - E & M Interfaces Orion Telecom Networks Inc. - 2010 Slide 1414 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 06: VCL-MX, E 1 2 Mbps Voice & Data Multiplexer Using in a Subscriber Loop Point to Point or Drop/Insert Application FXO/JNC 2 wire exchange loop interface card FXS/SLC 2 wire subscriber loop interface card Orion Telecom Networks Inc. - 2010 Slide 1515 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 07: VCL-MX, E 1 Voice & Data Multiplexer Providing Synchronous (V. 11, X. 21, V. 35, V. 36, RS 422, RS 530) “n x 64” Kbps Data Interfaces DCE- Remote DCE Configuration Data Interface Card (Application 1) Orion Telecom Networks Inc. - 2010 Slide 1616 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 07: VCL-MX, E 1 Voice & Data Multiplexer Providing Synchronous (V. 11, X. 21, V. 35, V. 36, RS 422, RS 530) “n x 64” Kbps Data Interfaces DCE- Remote DTE Configuration Data Interface Card (Application 2) Orion Telecom Networks Inc. - 2010 Slide 1717 Slide

VCL-MX Version 3 -STD (Standard Version) Application # 08: Orion Telecom Networks Inc. - 2010 Slide 1818 Slide

VCL-MX Version 3 -STD (Standard Version) Thank you for your attention For more details visit us at our Website at http: //www. oriontelecom. com Headquarters: Phoenix, Arizona Regional Office: Miami, Florida 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 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 Orion Telecom Networks Inc. - 2010 Slide 1919 Slide