ZTE zxmsg 5200 Technical Manual

Brand: ZTE

Model: zxmsg 5200

Type: Technical Manual

ZXMSG 5200

Multiplex Service Gateway

Technical Manual

Version 2.0.2

ZTE CORPORATION

ZTE Plaza, Keji Road South,

Hi-Tech Industrial Park,

Nanshan District, Shenzhen,

P. R. China

518057

Tel: (86) 755 26771900 800-9830-9830

Fax: (86) 755 26772236

URL:

http://support.zte.com.cn

E-mail:

[email protected].cn

LEGAL INFORMATION

The contents of this document are protected by copyright laws and international treaties. Any reproduction or

distribution of this document or any portion of this document, in any form by any means, without the prior written

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The contents of this document and all policies of ZTE CORPORATION, including without limitation policies related to

support or training are subject to change without notice.

Revision History

Date Revision No. Serial No. Reason for Revision

12/30/2006 R1.0

sjzl20070023

First edition

ZTE CORPORATION

Values Your Comments & Suggestions!

Your opinion is of great value and will help us improve the quality of our product

documentation and offer better services to our customers.

Please fax to: (86) 755-26772236; or mail to Documentation R&D Department,

ZTE CORPORATION, ZTE Plaza, A Wing, Keji Road South, Hi-Tech Industrial Park,

Shenzhen, P. R. China 518057.

Thank you for your cooperation!

Document

Name

ZXMSG 5200 ()V2.0.2 Multiplex Service Gateway Technical Manual

Product Version V2.0.2

Document Revision

Number

R1.0

Equipment Installation Date

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Contents

About this Manual........................................................... ix

Purpose.............................................................................. ix

Intended Audience ............................................................... ix

Prerequisite Skill and Knowledge ............................................ ix

What is in This Manual.......................................................... ix

Related Documentation.......................................................... x

Conventions ........................................................................ xi

How to Get in Touch............................................................ xii

Chapter 1..........................................................................1

Introduction.....................................................................1

Introduction ...................................................................1

Working Principle ............................................................2

Software Architecture ......................................................3

Hardware Architecture .....................................................4

System Features.............................................................5

System Functions............................................................6

Chapter 2.......................................................................... 7

System Description..........................................................7

Operation Support Subsystem...........................................7

Protocol Subsystem.........................................................8

Service (call) Subsystem..................................................9

Bearer Subsystem......................................................... 10

Operation and Management Subsystem............................ 10

Database Subsystem ..................................................... 11

TMS Subsystem ............................................................ 12

Media Gateway Control Protocol (Megaco/H.248)............... 12

System Hardware.......................................................... 13

Cabinets ............................................................................ 13

Shelves..............................................................................14

Cards ................................................................................17

Technical Specifications ................................................. 22

Interfaces ..........................................................................22

Cabinet Environment Parameters........................................... 23

Industry Standards..............................................................24

International Standards........................................................25

National Standards ..............................................................28

Chapter 3........................................................................29

Service Functions...........................................................29

Introduction ................................................................. 29

Narrowband Services..................................................... 30

V5-PSTN Service .................................................................30

V5-ISDN Service .................................................................30

VOIP-PSTN Service..............................................................31

VOIP-ISDN Service ..............................................................31

Fax Service over IP..............................................................32

Broadband Services....................................................... 33

ADSL Service......................................................................33

ADSL2+ Service..................................................................35

VDSL Service......................................................................37

SHDSL Service....................................................................38

Ethernet Service .................................................................39

VLAN Service......................................................................39

Multicast Service .................................................................43

EPON Service......................................................................44

QoS Service .......................................................................45

IP Service ..........................................................................46

Chapter 4........................................................................47

ZXMSG Networking........................................................47

ZXMSG 5200 Networking ............................................... 47

ZXMSG Applications ...................................................... 48

IP Phone Networking ...........................................................48

Appendix A.....................................................................49

Abbreviations.................................................................49

Figures............................................................................53

Tables.............................................................................55

Index..............................................................................57

This page is intentionally blank.

Confidential and Proprietary Information of ZTE CORPORATION ix

About this Manual

Purpose

This manual provides technical guidelines that support the

operation of the ZXMSG 5200 Multiplex Service Gateway.

Intended Audience

This document is intended for engineers and technicians who

perform operation activities on the ZXMSG 5200 Multiplex

Service Gateway.

Prerequisite Skill and Knowledge

To use this document effectively, users should have a general

understanding of telecommunications technology. Familiarity

with the following is helpful:

 Basics of Networking

 Access Network (AN) technologies and Next Generation

Network (NGN) technologies

 Knowledge of Media Gateway

What is in This Manual

This manual contains the following chapters:

TABLE 1 – CHAPTER SUMMARY

Chapter Summary

Chapter 1, Introduction

Introduces the working principle,

architecture, system features and

functions.

Chapter 2, System

Description

Introduces operation support, protocols,

database, network management, system

hardware, technical specifications.

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

x Confidential and Proprietary Information of ZTE CORPORATION

Chapter Summary

Chapter 3, Service

Functions

Introduces narrowband services and

broadband services.

Chapter 4, Networking

Mode

Introduces MSG networking modes and its

applications.

Related Documentation

The following documentation is related to this manual:

 ZXMSG 5200 Multiplex Service Gateway Documentation

Guide

 Technical Category:

ZXMSG 5200 Multiplex Service Gateway Hardware Manual

 Installation Category:

ZXMSG 5200 Multiplex Service Gateway Hardware

Installation Manual (OUT30)

ZXMSG 5200 Multiplex Service Gateway Hardware

Installation Manual (OUT50C/D)

ZXMSG 5200 Multiplex Service Gateway Hardware

Installation Manual (19D06H20)

 Operation Category:

ZXMSG 5200 Multiplex Service Gateway Operation Manual

ZXMSG 5200 Multiplex Service Gateway Command Manual

 Maintenance Category:

ZXMSG 5200 Multiplex Service Gateway Maintenance Manual

(Routine)

ZXMSG 5200 Multiplex Service Gateway Maintenance Manual

(Troubleshooting)

About this Manual

Confidential and Proprietary Information of ZTE CORPORATION xi

Conventions

ZTE documents employ the following typographical conventions.

TABLE 2 – TYPOGRAPHICAL CONVENTIONS

Typeface Meaning

Italics References to other Manuals and documents.

“Quotes” Links on screens.

Bold Menus, menu options, function names, input

fields, radio button names, check boxes, drop-

down lists, dialog box names, window names.

CAPS Keys on the keyboard and buttons on screens

and company name.

Constant width

Text that you type, program code, files and

directory names, and function names.

[ ] Optional parameters.

{ } Mandatory parameters.

| Select one of the parameters that are delimited

by it.

Note: Provides additional information about a

certain topic.

Checkpoint: Indicates that a particular step needs

to be checked before proceeding further.

Tip: Indicates a suggestion or hint to make things

easier or more productive for the reader.

TABLE 3 – MOUSE OPERATION CONVENTIONS

Typeface Meaning

Click Refers to clicking the primary mouse button (usually

the left mouse button) once.

Double-click Refers to quickly clicking the primary mouse button

(usually the left mouse button) twice.

Right-click Refers to clicking the secondary mouse button

(usually the right mouse button) once.

Drag Refers to pressing and holding a mouse button and

moving the mouse.

Typographical

Conventions

Mouse

Operation

Conventions

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

xii Confidential and Proprietary Information of ZTE CORPORATION

How to Get in Touch

The following sections provide information on how to obtain

support for the documentation and the software.

If you have problems, questions, comments, or suggestions

regarding your product, contact us by e-mail at

[email protected]. You can also call our customer support

center at (86) 755 26771900 and (86) 800-9830-9830.

ZTE welcomes your comments and suggestions on the quality

and usefulness of this document. For further questions,

comments, or suggestions on the documentation, you can

comments and suggestions to (86) 755 26772236. You can also

browse our website at http://support.zte.com.cn, which contains

various interesting subjects like documentation, knowledge base,

forum and service request.

Customer

Support

Documentation

Support

Confidential and Proprietary Information of ZTE CORPORATION 1

Chapter 1

Introduction

This chapter covers the following topics:

 Introduction

 Working Principle

 Software Architecture

 Hardware Architecture

 System Features

 System Functions

Introduction

ZXMSG 5200 Multiplex Service Gateway is one of the major Next

Generation Network (NGN) oriented products recently developed

by ZTE. NGN combines the public switched telephone network

(PSTN) and Integrated Services Digital Network (ISDN), creating

a single multi-service network.

ZXMSG 5200 is a type of integrated media access gateway but

also provides narrowband and broadband services. It adds a

Voice over Internet Protocol (VoIP) module to the previous

generation systems. ZXMSG 5200 adopts standard application

layer and transport layer protocols to convert and handle access

streams. At the same time, it is compatible with existing

network devices. It provides many user side and network side

interfaces for different network environments, which effectively

meets the integrated services access requirements. It also

provides high access multimedia services and Application

Programming Interface (API) generated services.

ZXMSG 5200 uses various technologies as listed below:

 Ethernet

 Asymmetric digital subscriber line (ADSL)

 ADSL2+

Background

Introduction

Technologies

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

2 Confidential and Proprietary Information of ZTE CORPORATION

 Very high speed digital subscribers line (VDSL)

 Single pair high digital subscriber line (SHDSL)

 Multicast

 Ethernet passive optical networks (EPON)

 ISDN

 PSTN

ZXMSG 5200 can fulfill the following subscriber requirements:

 High speed internet access for residential and office

subscribers.

 High quality services, such as teleconference and fax for

commercial subscribers.

 Operation and maintenance demands of broadband

subscribers.

 Subscriber security administration and modem management.

 NGN access gateway (AG) requirements and for upgrade

MSAN equipment into AG at low costs.

Working Principle

ZXMSG 5200 core technology is ‘TDM + IP’ and supports two

types of switching networks:

 Circuit-switching

 Ethernet-switching

Figure 1 shows ZXMSG 5200 work flow. The dotted line frames

present the card functions.

FIGURE 1 – ZXMSG 5200 WORKING PRINCIPLE

TDM

switching

Ethernet switching

POTS

xDSL

Voice

compressing

CNIC

(

NAT module

)

network

ICS

MPR

ICS upper sub-card

Subscriber

Requirements

Introduction

Working

Principle

Chapter 1 Introduction

Confidential and Proprietary Information of ZTE CORPORATION 3

ZXMSG 5200 working principle is as follows:

 Narrowband service signals enter the TDM switching module

of main control card (i.e. ICS/EICS/GIS).

 TDM switch performs circuit-switching on the voice signals

and send them to voice compression module.

 MPR voice compression function converts voice traffic into IP

packets and send them to Ethernet switching module.

 Ethernet switching chip switches the IP packets and send

them to CNIC for network address translation.

 After network address translation, IP packets enter the IP

network through an uplink interface after Ethernet switching.

 Broadband data enters ICS Ethernet switching chip and

directly goes to IP network through an uplink interface.

Software Architecture

The software system provides following functions.

 Resource management

 Software modules interfaces

 Database configuration implementation

 Operation and management (O&M)

Figure 2 shows the ZXMSG 5200 software structure.

FIGURE 2 – ZXMSG 5200 SOFTWARE STRUCTURE

Database

Subsystem

Description

Introduction

Structure

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

4 Confidential and Proprietary Information of ZTE CORPORATION

H.248 system is responsible for maintaining connection between

ZXMSG 5200 and SoftSwitch (SS), interpreting and executing SS

commands. H.248 describes service (CALL) and its operation

logically. The CALL implements following functions.

 H.248 command execution

 Physical operations on ZXMSG 5200 through bottom layer

drive software

 Signal receiving and forwarding to the H.248 system

 Operations maintenance and creation related with ZXMSG

5200 structure

Refer to

System Description for the functions and operation flow

of the software modules.

Hardware Architecture

ZXMSG 5200 hardware system consists of a control unit and a

subscriber unit. The control unit implements system functions

and service access expansion unit implements expansion to

serve more subscribers.

Figure 3 shows the ZXMSG 5200 hardware structure.

FIGURE 3 – ZXMSG 5200 HARDWARE STRUCTURE

ICS

LC0 LC1 ... LC9 TSLC

2M Hw

8K,2M,4M Clock

100M Ethernet

LC0 LC1 ... LC9 TSLC

ICS

2M Hw

8K,2M,4M Clock

100M Ethernet

LC10 LC11

MPR MPR

Ethernet

2*8MHw

2*100M

1*8MHw 1*100M

ICS

CNIC

2*100M, 1GE

Control unit (shelf)

Subscriber unit (shelf)

LC: Line Card, including narrowband line card and broadband line card

TSLC: Test Subscriber Line Card ICS: Integrated Control and Switch Card

Description

Introduction

Structure

Chapter 1 Introduction

Confidential and Proprietary Information of ZTE CORPORATION 5

MPR: Packet processing and resource board CNIC: Network address translation

module

Refer to System Hardware for functions of units and cards.

System Features

ZXMSG 5200 system features are as follows:

ZXMSG 5200 completely meets public telecommunication and

private networks requirements. ZXMSG 5200 also provides

broadband subscriber interfaces. These interfaces are used for

broadband service configuration according to subscribers'

requirements.

The system size is smaller. Network architecture and

configuration are simple and suitable for local network

optimization.

The system provides mutual backup for power supplies and

active/standby backup for ICS cards. ZXMSG 5200 has two ICS

cards at each layer of subscriber shelf and only one is in the

active mode at a time. The one which is in the active status is

called the active, while the other one is called the standby. In

case of failure of the active card, the standby card takes over

the system control. This process is active/standby switching,

which keeps the whole system running from being affected and

greatly improves the system reliability and stability.

The system capabilities are as follows:

 Ethernet convergence, switching, and Ethernet L2 protocol

processing

 Interfaces for broadband services such as IP/xDSL

 PSTN/ISDN subscriber line test and DSL subscriber line test

(in coordination with an external DSL subscriber line tester)

The whole system is based on a uniform Ethernet switching

platform. It implements switching of three data flows:

 Intra-module control information

 H.248 protocol

 RTP data

This Ethernet unit is totally private, not connected to any

external Ethernet, and outgoing data flows pass through the

CNIC egress uniformly to ensure security.

MPR/MPRB card converts voice signals into IP packets.

ZXMSG 5200 supports 100 Mbps (FE) and 1000 Mbps (GE)

Ethernet interfaces at the IP network side, which are used as

egresses for narrowband media flow, H.248 protocol flow,

network signal flow and broadband data flow. These four data

flows can be flexibly configured on any uplink Ethernet port.

Description

Abundant

Service

Interfaces

High

Integration

Active/standby

Mode

Capabilities

Ethernet

Switching

VoIP Function

Uplink Ports

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

6 Confidential and Proprietary Information of ZTE CORPORATION

ZXMSG 5200 supports networking with multiple SoftSwitch.

When many SoftSwitches are in an active/standby relation, the

ZXMSG 5200 supports H.248 polling registration. When an active

SoftSwitch fails, the SoftSwitch will contact a standby SoftSwitch

automatically and accepts its control.

System Functions

In a NGN network with SoftSwitch, ZXMSG 5200 can take the

place of traditional access network in networking or to support

hybrid networking with the SoftSwitch in access networks.

ZXMSG 5200 provides following functions:

 The SoftSwitch to which ZXMSG 5200 is attached

implements voice compressing/decompressing facsimile and

more VoIP or IP FAX services under the control of

H.248/MGCP.

 Accesses common POTS-interface subscribers to provide

narrowband voice services. Gets analog POTS-interface

subscribers access to IP networks directly and implements

voice/fax conversion at the analog subscriber side and

voice/fax conversion at the IP network side.

 Accesses to broadband interfaces like ADSL/ADSL2+, VDSL,

SHDSL and Ethernet through different broadband protocols

to provide broadband services.

 Uses different narrowband, broadband and universal

protocols for providing different services.

 Provides end-to-end auto or semi-auto service configuration

functions at the network side which provides easy service

provisioning and adjustment.

Multiple

Networking

Introduction

Functions

Confidential and Proprietary Information of ZTE CORPORATION 7

Chapter 2

System Description

This chapter covers the following topics:

 Operation Support Subsystem

 Protocol Subsystem

 Service System

 Bearer Subsystem

 Operation and Management subsystem

 Database Subsystem

 TMS Subsystem

 Media Gateway Control Protocol (Megaco/H.248)

 System Hardware

 Technical Specifications

Operation Support

Subsystem

Operation Support Subsystem (OSS) is based on Board Support

Package (BSP), driver and real time OS Vxworks. The subsystem

provides a uniform platform to upper-layer applications for

completion of various functions.

OSS functions are as follows:

 Task and process management

 Intra-card and inter-card communication

 Memory management

 Timer management

 File system management functions

 Version loading

Introduction

Functions

ZXMSG 5200 (V2.0.2) Multiplex Service Gateway Technical Manual

8 Confidential and Proprietary Information of ZTE CORPORATION

 Version management

 System software management

Figure 4 shows the internal functional sub-modules.

FIGURE 4 – SUB-MODULES

OSS features are as follows:

 Switching chip initialization and normal running

 Access to the MIB set, address table, VLAN table and port

setting register (which are maintained by the switching chip)

 Configuration of packet transmitting/receiving buffer

 Message forwarding (sent by the switching chip) to CPU and

from CPU to TCP/IP protocol subsystem or switching protocol

subsystem

 Service layer with data forwarding paths

Protocol Subsystem

The protocol subsystem consists of three parts:

 Universal protocol subsystem

 Broadband protocol subsystem

 Narrowband protocol subsystem

Sub-modules

Features

Introduction

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