Preliminary Data Sheet

AL2100

11/11/02

Broa d c om Co rp o r a ti o n

Document

AL2100-DS01-405-R

Table of Contents

Section 1: Overview............................................................................................................. 1

Section 2: Pin Descriptions ................................................................................................ 2

Section 3: Functional Description...................................................................................... 5

100Base-TX to 100Base-FX Conversion .................................................................................................... 5

100Base-FX to 100Base-TX Conversion .................................................................................................... 5

Full Duplex Application ............................................................................................................................... 5

Elastic Store ................................................................................................................................................. 5

Fault Propagation......................................................................................................................................... 6

Fiber-to-Fiber .......................................................................................................................................... 6

Fiber-to-Twisted Pair............................................................................................................................... 6

Twisted Pair-to-Fiber............................................................................................................................... 6

Redundant Function................................................................................................................................ 7

Redundant Link ....................................................................................................................................... 8

Receive Link Fault .................................................................................................................................. 8

Transmits Link Fault................................................................................................................................ 8

LED Indicators ........................................................................................................................................ 9

LED Configuration ..................................................................................................................................... 10

Serial Management Interface .................................................................................................................... 10

PHY Addresses..................................................................................................................................... 10

Clock Source......................................................................................................................................... 10

Power Source ....................................................................................................................................... 11

100Base-Twisted Pair PHY ........................................................................................................................ 11

General Description .............................................................................................................................. 11

Encoder/Decoder .................................................................................................................................. 11

Link Monitor .......................................................................................................................................... 11

Auto-Negotiation/Auto-Negotiation Selection........................................................................................ 11

Analog Adaptive Equalizer.................................................................................................................... 12

Clock Recovery ..................................................................................................................................... 12

Baseline Wander Correction ................................................................................................................. 13

Multi mode Transmitter ......................................................................................................................... 13

Stream Cipher Scrambler/Descrambler ................................................................................................ 13