Chapter-02

Chapter No.2

Main Structure of AXE

AXE ARCHITECTURE HIERARCHY

System Level 1

System Level 2 Subsystem Level Function Block Level Function Unit Level

GROUP AND CLASSES ABC REGISTER (EXCERPT)

AX AXB AXE AXT

Stored Program Controlled Switching Systems Exchange Systems for Telex and Data Network. Public Telephone Exchanges System Switching Systems for Special Applications\

BF BFD BFE BY BYB BZ BZA

Units Based on Design Module 2.54 MM Equipped and Unequipped Magazines, Wiring Units Magazine Groups Packaging Concepts and Structures Block Packaging Structures. Power Supply Systems and Installations Ordinary Full Float Systems

AXE ARCHITECTURE WITH ABC CLASSES

AXE System Level 1

APZ APT System Level 2 ANZ ANT Sub System Level

CNZ

CNA Function Block Level

CAA

COA

ROF BFD

Software

Hardware Function Unit Level

AXE 10 A Systems for Telephone Exchanges, Private branch Exchanges,and Special Tele Plants.

AX Stored Program Controlled Switching Systems

AXE Public Telephone Exchanges System

10

Product No

Main structure of AXE 10

A Manual Exchange in 1890

Switching Equipment Orders

Lines to/ from other exchanges

Data APT APZ

Computer

Store Content

An SPC Exchange

The Architecture of control System Switching Equipment

RP

RP

RP

CP

RP

System Level 1 AXE System Level 2

APT

TSS

SSS

OMS

Function Block Level

LI3

LIC

LIR

Subsystem FMS Level

LIU

APZ

MCS

CPS

CPU

Function Unit Level (Software or CP-A Hardware Hardware)

AXE Hierarchy Functional Levels

CP-B Hardware

The Structure of Subsystems

Hardware TSS

GSS

OMS

SSS

CCS

MTS

Regional Software

TCS

TSS

GSS

OMS

SSS

CHS

SUS

Central Software

OPS

CCS

MTS

NMS

System Core SSS

GSS

SUS

OPS

TCS

OMS

CHS

TSS

CCS NMS

MTS

Hardware

Regional Software

LIC

Program

LIR

Data

Central Software

Program Data

LI3 Function Block

LIU

Hardware LIC

Regional Software LIR

Central Software LIU

Program Data

Program Data Interworking

Program Data

Program Data

Program Data

Function Block LI3

Function Block X

Function Block Y

Function Block Interworking

Processors in AXE

APT RP

RP

RP

RP

RP

RPB

SP

CO MP

SP

PRIN

CP

HD

EM-0

EM-1

Extension Modules

EM-15

EMB

RP

Regional Processors

RP RPB

CP-A

MAU

CP-B

Central Processors with Maintenance Unit (MAU)

Inter Working CP-RP-EM

Different CP ’s in AXE CP Type

Subscribers

BHCA

APZ 211

40,000

150,000

APZ 212

200,000

800,000

APZ 213

2000

11,000