VCL-STM-1 VCL100MC-1 (upto 63 E1)

1. ORION TELECOM NETWORKS INC. Telecom Transmission Solutions VCL-STM-1 VCL100MC-1 (upto 63 E1) 16810, Avenue of 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 Web Site: http://www.oriontelecom.com Updated : January 2004 Confidential Slide 1

2. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Product Overview • A compact, modular, and cost effective STM-1 SDH Multiplexer equipment. • Manage bandwidth and provide E1 or fractional E1, voice and data • access service over STM Networks. • Customized for the traffic demands, in the access network, typical of • residential or business customers. • Supports end-to-end provisioning and management of services across all • the segments of the optical network. • Combines innovative optical networking software with the intelligence of • SONET/SDH to deliver a flexible, cost-effective network solution. Confidential Slide 2

3. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Features • E1/DS1, E3/DS3 • Multiple tributary slots • Low priced Terminal Multiplexer and Add- Drop Multiplexer • 3U chassis - available in rack mounting option • Integrated multi-service delivery • Direct Ethernet-to- SDH / SONET mapping using built-in 10/100 • Base-T Interfaces • Linear and ring topologies • Multi-level protection schemes - Unprotected, MSP, SNCP • Advanced networking software with support for open standards • such as OSPF Confidential Slide 3

4. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Advantages • Flexibility and modularity in tributary configurations • Can be placed in customer premises or PoP's with space constraints. • Compact size • Provision both voice and data services from the same platform. Efficient • use of transport bandwidth by supporting per-port rate adaptive Ethernet • services. • Enables creation of point-to-point Transparent LAN services or Virtual • Private Network Services • Topology support to cater to customer network scenarios • Carrier-grade protection schemes enable you to cater to differing • customer protection requirements. • Enables automatic topology discovery, shared mesh restoration and • Point-and-Click Provisioning (PNCP). • User friendly GUI based Network Element Software for local and remote • provisioning Confidential Slide 4

5. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Benefits • "Build as you grow". Pay for capabilities you require today. • A practical and cost effective solution catering to low volume traffic • requirements. • Better utilization of available rack space and easy installation in • customer premises. • Future-proof architecture protecting investment • Cost-effective methods to create new Ethernet Data Services for • incumbent or new carriers • Flexible and cost-effective network solutions • Creation of differentiated services to enhance the portfolio of service • offerings • Reduction in operational costs and increase in efficiency through lower • provisioning time and operator intervention Confidential Slide 5

6. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Network Element Software (NES) The VCL100MC-1 node is managed through the embedded (Network Element Software). The main capabilities are listed below: • Switch over to redundant power supply in the event of any hardware • fault. • Auto Recovery after Input Power Failure in a redundant system • Node-wise Operations & Maintenance • User programmable severity levels for Alarms • Node-wise Alarming & Remote Login. • Performance monitoring as per the standard specifications (G.826). • In-service monitoring of E1 tributaries. Confidential Slide 6

7. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Network Management System (NMS) The STM-1 / STM-4 provides support for centralized network management through Network Management System (NMS). Operations Interfaces • 10/100 Mbps half-duplex LAN interface for NMS data connection to • VCL100MC-1 node (RJ45 connector) • RS232C Craft interface for local Command Line Interface data • connection • 2 wire analog telephone interface for Engineering Order Wire (E1 or • E2 bytes access) with omnibus calling Confidential Slide 7

8. Applications VCL-STM-1 (upto 63 E1) Government Campus 10/100 BaseT E1/ 10 BaseT Ethernet Corporate HQ VCL100MC-1 Corporate LAN Cable Operator 10 BaseT Ethernet VCL100MC-1 University Campus VCL100MC-1 E1/E3/STM-1 10 BaseT Ethernet E1s STM-4 Metro Ring VCL100MC-1 BTS E1/E3/STM-1 10 BaseT Ethernet VCL100MC-1 E1/E3/STM-1 10 BaseT Ethernet Small Business Residential Campus Confidential Slide 8

9. VCL-MC100-1 VCL-STM-1 (upto 63 E1) Technical Specifications • Network Topology • Linear • Ring • Network Element Configurations • Terminal Multiplexer (TMUX) • Add-Drop Multiplexer (ADM) • Regenerator • STM-1 Cross connect • Line Side (Aggregate) Optics • 2 X STM-1 1310 or 1550 nm (ITU-T • G.957 Compliant) • 2xSTM-1e • S/L 1.1, S/L 1.2 • Tributary Interfaces • E1/DS1, E3/DS3 Electrical • STM-1o • STM-1e • 10 /100 Ethernet • Modularity • Separate tributary cards • Modular in design, capable of • tributary upgrades in steps of 21 E1 • or 1E3 • Mix and match tributaries - E1, E3, • DS3, 10/100 Ethernet • Cross Connect • 252 X 252 VC-12 • Fully non blocking • Line to Line, Line to Tributary, • Tributary to Line, Tributary to • Tributary Continue... Confidential Slide 9

10. VCL-MC100-1 VCL-STM-1 (upto 63 E1) • Protection • SNCP/ 1+1 MSP (as per G.841) • VC-12, VC-3 level path protection • Optional Hardware Redundancy • Power Supply Card • Maintenance • Higher-order and Lower-order • POH, all SDH level performance • monitoring (as per ITU-T G.826 • and ITU-T G.784) • Local & remote loop back • Software downloads • Power Supply • -48V DC nominal, -36V to • –60V DC • Power consumption: 35W • (without Ethernet Interfaces) • Management • NES ( Network Element • Software), supports full FCAPS • functionality via web browser • interface. • SNMP interface for NMS • RS-232 port for craft interface • V.24/V.28 Modem interface for • remote management • In-band control supported • using SDH Overhead • 10/100Base-T/RJ45 • management interface • Alarm Signaling Indicators and • External Contacts Continue... Confidential Slide 10

11. VCL-MC100-1 VCL-STM-1 (upto 63 E1) • Order wire support, Alarms and User data Channel • E1/E2 bytes used for Express • order wire (Omnibus/ Selective • calling facilities) • Five potential-free outputs and • two potential-free inputs • F1 byte for user data channel • Physical Dimensions • Dimensions (H X W X D): 132 mm • x 435 mm x 220 mm • Environmental • Operating Temperature: 0° to 50° C • Relative Humidity: 10% to 90%, • non-condensing • Timing & Synchronization • Timing & Synchronization of • System (as per ITU-T G. 813) • Internal and External Timing • interfaces – Two E1 BITS • interfaces (as per ITU-T G.703) • Internal oscillator capable of • supplying a ITU-T G.813 • compliant Stratum-3 SEC • Support of SSM byte • Accepts/ Provides 2Mbps/2MHz • clock references Confidential Slide 11

12. VCL Products • E1, Voice & Data Drop-Insert Multiplexer • PRI ISDN (Q.931) Multiplexers • E1 Intelligent Channel Banks • E1 / T1 DCME (Digital Circuit Multiplication Equipment) - Voice Compression Equipment • Thin Route DCME • E1 / T1 Echo Cancellers • E1 / T1 Digital Cross Connect • T1 / E1 Converters • E3, 34Mbps Multiplexer • E2 (4E1) & E3, 34Mbps Optical Line Transmission Equipment (OLTE) • Remote Asset Management Systems • STM 1 / STM 4 - SDH Equipment Thank you for your attention For more details visit us at our Web Site at http://www.oriontelecom.com 16810, Avenue of 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 Confidential Slide 12