1000-A2-GN22-00

2. CPX-1000 Voice Services Platform Description

 

 

Figure 2–3illustrates this same functionality when providing access to the PSTN via STS-1, using the STS-1 ECAC module.

LAN Connection To/From

Network Management System

MP Module

 

 

 

CPX-1000

 

 

 

Shelf

 

 

 

 

EOC

 

Management

 

 

Process

 

Process

 

 

CP

 

Call

 

 

Modules

 

 

 

 

 

Processing

 

 

 

 

Engine

 

 

 

 

TMC

 

IAD

 

 

 

Signalling and

 

 

Processing

 

 

 

 

Connectivity

 

 

 

 

 

 

PSTN Interface

Packet Interface

 

 

STS1 Modules

ATM Modules

Q.931 (LAPD) Link Layer

 

 

 

 

 

Voice Bus

 

Control

 

 

 

 

 

Voice

 

Voice

Voice/

Control

Echo

Control

 

 

 

Splitter

 

 

Cancellation

 

 

 

 

and

 

 

 

 

Compression

 

 

STS-1 Interface

 

OC3 Port

 

 

 

 

0420

Splitter

ATM Lines To/From

Packet Switch

 

PSTN Lines To/From

Class 5 Switch

Figure 2–3. CPX Functional Diagram (STS-1 Interface)

February 2003

2-5

Page 29
Image 29
Paradyne CPX-1000 manual CPX Functional Diagram STS-1 Interface