The ULC-1000AN MSAN System enables service providers to successfully evolve to full service access networks in a very cost-effective, practical, and flexible manner. The ULC-1000AN MSAN System achieves these goals in a variety of ways. It has been designed for low-cost deployment in a wide range of applications. Its integrated apability of supporting xDSL services simplifies planning for data and digital video services.
These xDSL services are cost-effectively provided as an overlay to existing telephony networks or as a part of a new, combined narrowband and xDSL services system.
The ULC-1000AN MSAN System allows deployment of fiber deeper into the network and offers simplified operations in any of its configurations. It is built on a new access interface platform that will support a multitude of access configurations including fiber in
the loop, remote modules and a fixed wireless network.
The ULC-1000AN Multi-Service Access Network System provides narrowband switch services, leased line services, broadband and VoIP services in a single platform. Through the advanced flexible system architecture, it economically performs the following functions:
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Universal Digital Loop Carrier (UDLC)
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V5 based Integrated Digital Loop Carrier (IDLC)
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Digital Access Cross Connect (DAC)
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Channel Bank (CB)
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Optical Add-Drop Multiplexer (ADM)
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Digital Subscriber Line Access Multiplexer (DSLAM)
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NGN VoIP Access Gateway (AG)
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NGN VoIP Trunk Gateway (TG)
2. System Features and Benefits
Advantages and benefits for the ULC-1000AN MSAN System:
Competitively priced telephony deployment for first installations and for later network extensions in case of increasing needs for additional lines
Service-independent access solution by means of a common platform for all services
Broadband services, narrowband service & transmission system in a universal shelf.
Same NMS for broadband, narrowband & transmission
Flexible system configuration to different NE, such as DLC, E1 Channel bank, DAC, DSLAM, VoIP Access Gateway, STM-1/4 transmission, etc.
Supports variety interfaces cards for POTS, ISDN, Asyn/Sync. Data, xDSL, and SHDSL from a single system
Integrated high performance Layer 2 data switching unit for easy manipulate data package
Easy upgrade to advanced IP-based Next Generation Network
Transport of narrowband services and broadband services via an integrated transport system
Different network interfaces for different network
Economic utilization of different types of broadband network interfaces
Architectural flexibility by a modular structure
Space-efficient through a high-density packaging
Conformance with V5.2 standards, H.248 Megaco, and MGCP VoIP standards
Configurations for indoor or outdoor applications
ULC-1000AN MSAN Management Interface
Built-in transmission for fiber (SDH, PDH, GE/FE optical), or use external transmission system
The Management Interface, executed on a PC as Windows based software to make operation, administration, maintenance, and provisioning (OAM&P) procedures easier and to reduce sources of error is used for managing narrowband and broadband services. It includes:
Craft Interface (CIT): The CIT is used to provision narrowband and broadband services and to monitor alarms and events on a single NE.
Network Maintenance Manager: The Network Maintenance Manager is used to monitor alarms over multiple NEs.
Comprehensive NMS Software
High reliability via robust software and optional redundancy in hardware for common units
Supports duplex mode operation for the CPU, PSU, V5P and Transceiver Unit
Supports STM-1/STM-4 transmission protection in point-to-point or ring network
Supports V5.2 multi-E1 loading sharing and protection protocol
High MTBF for 5 years and long life span for 10 years
Complete access network solutions supporting synchronous digital hierarchy (SDH)
and plesiochronous digital hierarchy (PDH) transmission equipment
The ULC-1000AN MSAN System supports one COT up to 31 remote terminal(RT) via built-in optical transmission system in tree, star, ring or linear topology as well as RT- only applications
Scalable system capacity from small to large
Outdoor cabinet housing for outdoor environment application
Pre-cabled for ease installation
Separate rooms for electrical equipment, MDF cabling and batteries
Internal cooling by a fan unit or heat exchanger
Powering by AC mains and backup by batteries
Different cabinet size for different capacity
Perfectly Built-in Line Test Function to detect malfunction cause of subscriber/subscriber line that connected on the RT side. Able to test from the Network Management Function on COT side.
TDM over IP capability to bridge between TDM network & IP network
3. Applications and services
The ULC-1000AN MSAN System includes configurations for the following applications:
Central office-site applications (CO), co-located with the local exchange
(LE), indoor application
Remote applications:
1. Remote indoor applications
Switch consolidation
Extension of service area
2. Remote outdoor application
Applications with optical fiber for remote access to Remote Terminal via
Optical point-to-point, self-healing ring, star or linear topologies
The ULC-1000AN MSAN System supports narrowband and broadband xDSL Services.
3.1 Narrowband Services
The narrowband services are traditional POTS and analog services, V5 switched services, and non-switched services. The following narrowband services are supported.
3.1.1 Traditional POTS and Analog Services
POTS (customer-specific POTS with different features) for example pulse metering and reverse battery.
3.1.2 V5.2 Switched Services
On the subscriber side the following services are supported: POTS (customer-specific
POTS with different features; for example pulse metering, reverse battery).
ISDN BRA: dial-up connection, 2 x 64-kbps transmission capability for voice and data (two B-channels) and 16-kbps transmission capability for signaling and data (D-channel). ISDN PRA: Transmission capability up to 30 B-channels (30 × 64 kbps) and one
D-channel (64 kbps).
On the network side the following services are included: V5.2 switched services, up to 16
E1 per V5 group.
3.1.3 Analog and Data Leased Line
On the subscriber side the following services are included:
Analog leased lines (ALLs), Transmission only, 2/4-wire E&M Digital leased lines (DLLs) with or without managed NTUs
Two kinds of G.SHDSL n×64 kbps leased line services
A digital leased line via interfaces according to ITU V.35
A digital data network (DDN) leased line via interfaces according to G.703.
2 Mbps leased line services via interfaces according to G.703.
3.2 Broadband xDSL services
The following xDSL services are supported using service-independent IP and/or ATM
technology:
Multi-ADSL consists of the Splitter Unit (POTS Filter) which can be configured the software to support the ADSL, ADSL2, and ADSL2+, and can support the xDSL standard shown below:
ITU-T G.922.1 – Asymmetrical Digital Subscriber Line (ADSL) transceiver (G.DMT)
annex A (Upstream 800 Kbps, Downstream 8 Mbps)
ITU-T G.992.2 – Asymmetrical Digital Subscriber Line (ADSL) transceiver (G.LITE)
annex A (Upstream 512 Kbps, Downstream 1.5 Mbps)
ITU-T G.992.3 – Asymmetrical Digital Subscriber Line (ADSL2) transceiver 2 annex
A (Upstream 1 Mbps, Downstream 12 Mbps)
ITU-T G.992.3 Annex M
ITU-T G.992.5 – Asymmetrical Digital Subscriber Line (ADSL2+) transceiver 2+
annex A (Upstream 1 Mbps, Downstream 24 Mbps)
ITU-T G.992.5 Annex M
ITU-T G.994.1 Handshake procedure for Digital Subscriber Line (DSL) transceiver
ITU-T G.997.1 Physical layer management for Digital Subscriber Line (DSL)
transceiver
Single-pair high bit-rate digital subscriber line (SHDSL) service with equal transmission rates for both the upstream and the downstream direction based on use of the TC-PAM line coding scheme.
The ULC-1000AN MSAN System is transparent for the end user protocol. The interface to the subscriber and the end user protocol depend only on the used CPE.
The ULC-1000AN MSAN System supports several CPEs with different interfaces.
3.3 Services in Next Generation Network
3.3.1 VoIP Services
The ULC-1000AN MSAN provides VoIP voice access Service with the Soft switch
platform. Its expansible capacity enables service operators to provide extensive local and long-haul calls on IP-Based Next Generation Network, and flexibly enables fast and convenient service deployment.
The ULC-1000AN MSAN System supports VoIP services for Soft switch according to
ITU-T H.248 Megaco, MGCP and ETSI TISPAN standard as below:
Voice codec G.711, G.723.1, G.729ab
Voice control protocol H.248, MECAGO, Transparent SIP Protocol
Voice Packet Transfer Protocol RTP, RTCP, RTP/UDP/IP Encapsulation.
Transparent CLIP/CLIR
Real-time fax relay (T.38)
Echo cancellation (G.168)
Fax detection
Fax and modem pass through
DTMF Detection and relay (RFC 2833)
Transparent Voice activity detection (Silence suppression and comfort noise
Generation)
Support Voice quality of Service (QoS) features, including IP Precedence (TOS), IP DiffServe or RSVP.
3.3.2 Layer 2 Data Switch Function
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Support Spanning Tree working as IEEE802.1d and IEEE802.1w standard.
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Support VLAN tagging to divide customer group as standard of IEEE802.1q
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Support Link Aggregate as standard of IEEE802.3ad
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Have ability for Quality of Service (QoS) to put data order as important and able to do Class-of-Service (CoS) Prioritization for divide data group upon to the importance of IEEE802.1p standard at least.
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Support IP Multicast with IGMP (Internet Group Protocol) Snooping (v1/v2)
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Support PPPoE working from the user
Support Transparent SIP Protocol and H.323 Protocol working with those advanced VoIP and Layer 2 data switch function, ULC-1000AN MSAN have ability to support services as Voice over DSL (VoDSL) Service, Virtual Private Network (VPN) Service, Video on Demand (VOD), VLAN (Virtual LAN), Voice over IP and Multi-Media service, Internet Protocol (IP) service, IP TV Broadcasting, and LAN-to-LAN service.