Download - Ethernet Integrity Analyzer (EIA)
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Ethernet Integrity Analyzer (EIA)
Design Team 7
Mark JonesAhmed AlsinanBrian SchulteAndy ChristophersonSedat Gur
Advisor: Dr. Donnie ReinhardSponsor: Jim Reinhart
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What is an Ethernet Analyzer?
Troubleshooting tool for Ethernet cables and networks
Short tests vs. Long tests
Range in features
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Why an Ethernet Analyzer?
Expanding use of Ethernet technology
Need for a troubleshooting device Faults include:
Cable damage Water ingress Manufacturing Flaws etc…
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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
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Conceptual Design
Time Domain Reflectometry (TDR) Catch reflections off discontinuities->
location and impedance
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Conceptual Design
Active Link Cable Diagnostics (ALCD) Passive Signal Processing->accurate
cable length
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Conceptual Design
Digital Spectrum Analyzer (DSA) Discrete Fourier Transform-> frequency
spectrum
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Conceptual Design
Power-over-Ethernet (PoE) Diode to accomplish ORing of power
PoE
Adapter/Battery
Device
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Design Solutions
TLK100 PHY Layer Device Integrity Checks
TDR ALCD DSA
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Design Solutions
Development Board Provides MAC Layer Microcontroller Color touch-screen Powers TLK100
TLK 100
Dat
a
+3.
3V D
C
RJ-45 Data
Stellaris® LM3S9B96Development Kit
(Provides User Interface)
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Design Solutions
Software IAR workbench
Program MCU Touch-screen
display
StellarisWare Program
TLK100
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Power-over-Ethernet (PoE)
Growing technology
IEEE standard IEEE 802.3af IEEE 802.3at
Advantages
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Design Solutions
Power-over-Ethernet Priority ~44V-57V
DC Input Power Adapter
Rechargeable Battery Option 3.7V Li-Ion
Bq24070Single-Chip LI-ION
ChargeAnd System Power
Path Mgmt IC
TPS2376-HPoE PD
Controller
Buck Converter
Battery
Adapter Power
DC
Pow
er
Rec
harg
e
RJ-45 Power
+5V DC
+6V DC w/Diode
~V
DC
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Design Solutions (Overview)
Bq24070Single-Chip LI-ION
ChargeAnd System Power
Path Mgmt IC
TPS2376-HPoE PD
Controller
Buck Converter
Battery
Adapter Power
DC
Pow
er
Rec
harg
e
RJ-45 Power
+5V DC
+6V DC w/Diode
~V D
CTLK 100
Stellaris® LM3S9B96Development Kit
(Contains User Interface)
Dat
a
+3.
3V D
C
RJ-45 Port
RJ-45 Data
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Any Questions
Bq24070Single-Chip LI-ION
ChargeAnd System Power
Path Mgmt IC
TPS2376-HPoE PD
Controller
Buck Converter
Battery
Adapter Power
DC
Pow
er
Rec
harg
e
RJ-45 Power
+5V DC
+6V DC w/Diode
~V D
CTLK 100
Stellaris® LM3S9B96Development Kit
(Contains User Interface)
Dat
a
+3.
3V D
C
RJ-45 Port
RJ-45 Data