Ethernet Integrity Analyzer (EIA)

Design Team 7

Mark JonesAhmed AlsinanAndy ChristophersonBrian SchulteSedat Gur

Advisor: Dr. Donnie ReinhardSponsor: Jim Reinhart

What is an Ethernet Analyzer?

Troubleshooting tool for Ethernet cables and networks

Short tests vs. Long tests

Range in features

Why an Ethernet Analyzer?

Expanding use of Ethernet technology

Need for a troubleshooting device Faults include:

Cable damage Water ingress Manufacturing Flaws Etc…

Design Specifications o Handheldo Color-touch screeno Integrity Checks

o Time Domain Reflectometry (TDR)

o Active Link Cable Diagnostics (ALCD)

o Digital Spectrum Analyzer (DSA)

o PoE Power Source Device Detect

o 3-source powero Batteryo Power-over-Etherneto DC input

o Active and Passive Mode

Design Solutions (1)

Development Board Color touch-screen Microcontroller Power TLK100

TLK100 Communication Integrity Checks

TLK 100

Stellaris® LM3S9B96Development Kit

(Contains User Interface)

Da

ta

+3

.3V

DC

RJ-45 Data

Design Solutions (1)

Software IAR workbench

Program MCU Touch-screen

display

StellarisWare Program TLK100

Design Solutions (2)

DC Input Power AC/DC Converter

Rechargeable Battery Option

Output +6V DC

Bq24070Single-Chip LI-ION Charge

And System Power Path Mgmt IC

Battery

AC Power

DC

Pow

er

Rec

harg

e

+6V

DC

Power-over-Ethernet (PoE)

Growing technology

IEEE standard IEEE 802.3af IEEE 802.3at

Advantages

Design Solutions (3)

Power-over-Ethernet (PoE) ~44V-57V

PoE priority over input power Diode

Buck Converter to step voltage down to +5V DC

Bq24070Single-Chip LI-ION

ChargeAnd System Power Path

Mgmt IC

TPS2376-HPoE PD

Controller

Buck Converter

Battery

AC Power

DC

Pow

er

Rec

harg

e

RJ-45

~V

DC

+5V DC

+6V DC w/Diode +

~V

DC

Design Solutions (Overview)

TLK 100

Stellaris® LM3S9B96Development Kit

(Contains User Interface)

Bq24070Single-Chip LI-ION Charge

And System Power Path Mgmt IC

TPS2376-HPoE PD

Controller

TL2575-HVBuck Converter

Battery

AC Power

DC

Po

wer

Rec

harg

e

RJ-45 Power

~V

DC

Dat

a

+5V DC

RJ-45 Data

RJ-45 Port

+3

.3V

DC

+6V DC w/Diode +

~V

DC

Any Questions