cx29503 Mindspeed Technologies, cx29503 Datasheet

cx29503

Manufacturer Part Number

cx29503

Description

Cx29503 Broadband Access Multiplexer Data Sheet

Manufacturer

Mindspeed Technologies

Datasheet

1.CX29503.pdf (388 pages)

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Preliminary Information

This document contains information on a product under development. The parametric information

contains target parameters that are subject to change.

CX29503

Broadband Access Multiplexer (BAM)

The CX29503 Broadband Access Multiplexer (BAM) is a highly integrated, cost-effective,

monolithic device which performs the mapping, multiplexing, demultiplexing, and framing

of three STS-1, AU-3, DS3, E3, or one AU-4 inputs to any valid combination of 84 DS1 or

63 E1 signals. The CX29503 may be used as a SONET/SDH-to-PDH mapper supporting all

standard mappings at 51 Mbps, 2 Mbps, and 1.5 Mbps rates, or it may be used as a PDH

muldem only. It generates and terminates all Virtual Tributary (VT) and Virtual Container

(VC) path overhead. It includes three embedded DS3/E3 framers, three M13/E13

MUX/DEMUX blocks with G.747 support, and 84 embedded DS1 framers and 63

embedded E1 framers. Other features include standards-compliant alarm indicators,

status monitoring and error counters for all supported tributaries, and an embedded

Command and Status Processor (CSP) that offloads major network maintenance activities

from the host processor.

(CX28500) and the STS-12/STM-4 SONET/SDH Framer/Multiplexer device (CX29610),

allows equipment suppliers to develop single, high-density, software-configurable system

solutions for datacom and IP path terminating applications supporting both North

American and European transmission standards. The high level of integration drives down

per-port framer cost and dramatically reduces board space requirements. A complete

STS-12/STM-4 system channelized down to DS1/E1 for an IP HDLC packet processing

solution requires only seven devices from Mindspeed.

The CX29503 supports current ANSI, ETSI, ITU, and Telcordia standards with embedded,

enhanced network alarming and maintenance features that reduce real-time requirements

on the host processor. Physical layer support is provided for alarm generation and

detection, error monitoring, and data link maintenance.

Functional Block Diagram

29503-DSH-002-B

Interface

SI-Bus

The CX29503, in conjunction with Mindspeed's 1,024-channel HDLC Controller device

DS3/E3 Serial

Interface

SI-Bus

Level

MUX

Top-

SI-Bus

I/F

STS-1 to

DS3/E3

Mapper

DS3/E3

Framer

Unchannelized STS-1

VC-11/VC-12

TUG-2/3 to

VT1.5/2.0

STS-1 to

MUX

M13/E13

Unchannelized DS3/E3

DEMUX

DS1/VC-11, and E1/VC-12

MUX

DS1/VT1.5, E1/VT2.0,

Mindspeed Technologies™

28xVT1.5/VC-11

21xVT2.0/VC-12

Tributary Mapper

Termination/

Generation

Overhead

Preliminary Information

28xDS1

Framers

21xE1

Processor Interface

To Host Processor

E-Bus Interface

(Optional)

E-Bus

Command

and Status

Processor

Time Slot

Interface

Module

SLICE 1

SLICE 2

Bus

SLICE 3

Overhead

Payload

TSB

100702_010a

TSB

Distinguishing Features

• Capacity

• Supports two types of line interfaces:

• System Interface

• Supports the following multiplexing

• Supports the following mapping

• Embedded PDH framers including:

– Three STS-1 or TUG-3 or DS3 or

– SONET Interleave Bus (SI-Bus)

– DS3/E3 serial interfaces for a

– Supports three serial Time Slot

modes:

– PDH

– SONET/SDH

modes:

– SONET/PDH

– SDH/PDH

– DS3 to VC-3

– 3 x DS3/E3 framers

– 21 x DS2/E2 framers

– 84 x DS1/E1/J1 framers

E3 line-side inputs

interfaces for a parallel data bus

connection to the SONET/SDH

multiplexer devices at the

STS-1/TUG-3 data rates

connection to Line Interface Units

(LIU)

Bus (TSB) interfaces for a

connection to high-density HDLC

controller devices. Time slots can

be configured to transmit DS3/E3,

DS1/E1/J1, STS-1, or VT1.5

payloads

• M13

• E13

• G.747

• STS-1/VT1.5

• STS-1/VT2.0

• TUG-3/VC-11

• TUG-3/VC-12

• DS3 to STS-1

• E3 to STS-1

• DS1 to VT1.5

• J1 to VT1.5

• E1 to VT2.0

• E3 to VC-3

• DS1 to VC-11

• J1 to VC-11

• E1 to VC-12

October

2004

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