Multiplexer, Multi-Service and Access Network

Keeping with the current trend of full integration in the migration of IP and broadband, OPNET Technologies presents ULC-1000AN MSAN, Multi-Services Access Gateway. It can be configured to deploy a wide range of narrowband and broadband voice and data applications, to subscribers over a copper wire-line network infrastructure.

The ULC-1000AN MSAN can be deployed in central office as well as remote outdoor node applications. It enables migration from legacy TDM network to IP-Based Next Generation Network. It provides operators with maximum flexibility for service access, enabling efficient and effective deployment of new services without the need for additional investment in infrastructure.
  • Combination of Traditional TDM Services and IP-Based NGN Services in a Single Universal Platform
  • Integrate High speed and Reliable Transmission System
  • High Density, Flexible and Scalable Modularized System Design
  • Comprehensive NMS Features for Access Network Management
  • An easy way of migration from TDM network to NGN network
  • Key applications critical to consumers by a single platform
  • Protect the values of existing equipment investment
  • Lower capital investment and network operation cost
  • Increase Average Revenue Per User (ARPU) by introducing new value-added services

TDM-Based Features

  • Open PSTN interfaces: V5.2 and 2-wire analog, connections to any LE switch for TDM POTS applications
  • Analog Leased Line with or without E&M Signaling
  • Multi-rates Data Leased Line with different kinds of interface, V.11, V.28, V.35, or G.SHDS
  • DS0 level fully non-blocking cross-connect and grooming

VoIP Access Features

  • Comply with standardized IP-based control protocols, H.248 / MGCP / SIP
  • Bi-directionally convert voice formats between TDM-based PCM payload and IP-based G.711, G.723, G.726 or G.729 payload
  • Echo-cancellation mechanism
  • Voice Activation Detection (VAD)
  • Comfort Noise Generation (CNG)
  • T.38 Fax over IP functionality
  • Co-existing with V5.2 POTS Network Interface in a single system

Broadband Access Features

  • Variety of xDSL Access Interfaces: ADSL / ADSL2 / ADSL2+/ G.SHDSL / VDSL
  • Variety of Network Interface: ATM E1 IMA, ATM based STM-1 for ATM-Based Network, Fast Ethernet (FE) or Gigabit Ethernet (GE) for IP-Based Network
  • Integrated L2 Switch Features for Advanced Data Services
  • Built-in POTS Splitter on board to simplify MDF cross-connection

Integrated Transmission System

  • Variety of Transmission Interfaces: E1, E3, G.SHDSL Electrical, STM-1/4 Optical, or GE Optical
  • Variety of Network Topologies: Point-to-point, Linear, Star, Ring or Hybrid
  • Fast Recovery from Network Fault by Network Protection Switch

Scalable System Capacity from Small, Medium to Large Network Management and Maintenance

  • Comprehensive network management Features: CM, PM, FM, SM and Inventory
  • Management for overall Access Network
  • Integrate line testing features for easy maintenance
  • Scalable management capacity for different size of access network
  • User friendly interface for easy operation

Traditional and V5 DLC

ULC-1000AN MSAN provides traditional voice services via V5.2 or 2-wire analog interfaces. Supporting dynamic random concentration ratio. The FXS provides polarity reverse or 12/16 kHz metering signal; it supports of all switch service types and compatible with most LE switch System.

Analog and Data Leased Line

Via E1 or 2/4-wires E&M interfaces, ULC-1000AN MSAN provides analog leased line to connect a private network; Via G.SHDSL interfaces, ULC-1000AN MSAN provides data leased line service to connect a digital data network (DDN) with E1 network interface; the data rate could be provisioning to E1 or Nx64K.

VoIP Access Gateway

ULC-1000AN MSAN provides VoIP voice access Service with the Softswitch 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


ULC-1000AN MSAN supports variety types of DSL interfaces for broadband service access; flexibly provisioning different data-rates and services according to customer requirements
Item Name
Transceiver Unit
FO-XCVR Single-mode Fiber Optic Transceiver
E1X-XCVR E1 Transceiver
E1QX-XCVR3 Quad E1 Transceiver v3
E1TX-XCVR2 Triple E1 Transceiver Unit v2
ETH-XCVR Ethernet Transceiver Unit
STM1-XCVR2E STM-1 Transceiver Unit v2 w/Ethemet Channel
STM4-XCVR2E STM-4 Transceiver Unit v2 w/Ethemet Channel
E1QX-B Quad E1 Transceiver Unit via BNC
Common Unit
ELU Expansion Link Unit
ELU2 Expansion Link Unit 2
EBC Expansion Bank Control
MTU-S Metallic Test Unit - Subscriber
V5P V5 Protocol Unit
ADP Bus Adaptor Unit
GE-SW Gigabit Ethernet Switch Unit
MGU Media Gateway Unit
ADCU Asynchronous Data Combination Unit
VCU Voice Conference Unit
TGU Timing Generation Unit
WDM2 Wave Division multiplex Unit v2
GBIS G.SHDSL.bis Router Uint
CPU2 Central Processing Unit v2 in MSC
L-PSU Local Exchange Terminal Power Supply Unit
Network Terminating Unit
NTU-128 Terminating IDSL Interface
NTU-200GS Terminating G.SHDSL Interface
Item Name
Voice Channel Unit
LI-POTS Local Exchange International POTS Channel Unit
RI-POTS Remote Subscriber International POTS
Channel Unit
LI-APOTS Local Exchange International Advanced
POTS Channel Unit
RI-APOTS Remote Exchange International Advanced
POTS Channel Unit
L-UVG Local Exchange Universal Voice Grade Channel Unit
R-UVG Remote Subscriber Universal Voice Grade
Channel Unit
L-MPI Magneto Phone Interface
E&M E&M Channel Unit 6
DID Direct Inward Dialing
HL-POTS Hot Line POTS Channel Unit
RI-POTSG Remote Subscriber International POTS
Channel Gain Programmable Unit
ITO(2W/4W) International Transmission Only Channel Unit(2W/4W)
Data Channel Unit
ASDU/ASDU6 Asynchronous/Synchronous Data Channel Unit
CO64 CO-Directional 64Kbps
IDL-128 Remote ISDN 128K Data Channel Unit
L-ISDN Local Subscriber ISDN Channel Unit
R-ISDN Remote Subscriber ISDN Channel Unit
N64 Nx64Kb/s V.35 Unit
N64-GS2 Nx64Kb/s SHDSL Unit v2
DLAN Dual Port LAN Unit
E1QAX Quad E1 Asynchronous Channel Unit
E1V5 V5 Interface Unit
U1QX Quad E1/T1 Line Unit


Multiplexer, Multi-Service and Access Network
Keeping with the current trend of full integration in the migration of IP and broadband, OPNET Technologies presents ULC ...

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