Zte zxmsg 5200 Technical Manual
ZXMSG 5200
Multiplex Service Gateway
Technical Manual
V ersion 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:
doc@zte.com.cn
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Copyright © 2006 ZTE CORPORATION.
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Revision History
Date Revision No. Serial No. Reason for Revision
12/30/2006 R1.0
sjzl20070023
First edition
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Document
Name
ZXMSG 5200 ()V2.0.2 Multiplex Service Gateway Technical Manual
Product Version V2.0.2
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R1.0
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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
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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 – CHAP TER 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 – TYPOGR APHICAL 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, dropdown 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 O PERATION 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
support@zte.com.cn. 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
contact us by e-mail at doc@zte.com.cn; or you can fax your
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 W ORKING PRINCIPLE
TDM
switching
Ethernet switching
POTS
xDSL
Voice
compressing
CNIC
(
NAT module
)
IP
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 S OFTWARE 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 H ARDWARE STRUCTURE
ICS
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
Chapter 2 System Description
Confidential and Proprietary Information of ZTE CORPORATION 9
The universal protocol subsystem implements TCP protocol, UDP
protocol, IP protocol, ICMP protocol, ARP protocol, RARP protocol,
TFTP, FTP, HTTP, SNMP, and Telnet.
The broadband protocol subsystem modules are as follows:
MSTP module
f STP
f RSTP
f MSTP
xDSL
f ADSL
f ADSL2+
f VDSL
f SHDSL
Multicast
f IGMP snooping
f IGMP proxy
f IGMP router
QOS
VLAN
f 802.1Q
f SVLAN
ETH port manager
f Port configuration
f Port trunking
f Ethernet switch function configuration
Narrowband protocol subsystem includes V5 and H.248 for
PSTN/ISDN. It receives/transmits, processes calls and control
messages between users and ZXMSG 5200, and those between
ZXMSG 5200 and upper level Local Exchange (LE).
Service (call) Subsystem
Service subsystem operates according to protocol subsystem
commands.
The system functions are as follows:
Uniform service interfaces to upper layer
Shields hardware differences
Breaks down protocol commands to send to lower layer
Universal
Protocol
Subsystem
Broadband
Protocol
Subsystem
Narrowband Protocol
Subsystem
Introduction
Functions
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