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Xenon Switching System

Switching Architecture

Describes the switching architecture of the Xenon switch.

Remote Switching Architecture

Covers the V5.2 based subscriber remote switching. Basic operation of the V5.2 protocol are also explained.

Hardware Architecture

The hardware architecture of the Xenon Switching system is explained here.

Basic Hardware Design

Describes the Basic Hardware and Chassis design of the Xenon Switching System

XEN Card Overview

Hardware design of the Xenon Extended Network Processor card (XEN) is covered in this section.

XEN Card Overview II

Further details on XEN card...Time Switch Design and Programming

XEN Card Overview III

...More information on the XEN time switch and service unit.

XEN Card Overview IV

XEN card CPU Complex and power supply related information

CAS Card Overview

This section details the design of the Central Access and Switching Processor card (CAS)

Xenon Software Architecture

This section describes the partitioning of software modules among different processors in the Xenon Switching System.

Path Switching and Routing

The software related to voice path switching and call routing is described here.

V5.2 Call Processing

Software handling V5.2 Interface and Interactions with the Access Network is described in this section.

ISUP Call Processing

Software handling ISDN User Part (ISUP) signaling over the SS7 network is covered here.

System Maintenance

Software that manages the health of various software and hardware modules is covered here.

Operator Interface

This section covers the operator interface of the system. Mechanism for operator command, alarm management are covered here.

EventStudio Documents

This section contains EventStudio documents that describe the Software design.