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40/100 GbE |
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Backplane, 10GBASE-KR |
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DisplayPort |
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Optical Transceivers |
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PCIe |
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SAS |
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SATA |
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Serial Bus |
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USB 3.0 |
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XFP/XFI |
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40/100GbE & OIF CEI
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The
next generation Ethernet standards for higher capacity data networks are split between IEEE
and the Optical Internetworking Forum (OIF). Very long distance transmission using complex
modulation schemes are covered by the OIF, and backplanes and chip to module connections at
rates above 10.3125 Gb/s are being worked on by OIF CEI (Common Electrical I/O). Other
aspects, including short to medium distance optical NRZ transmission fall to IEEE,
primarily within the 802.3ba effort.
| Interface | Type | Data Rate (Gb/s) | Chan. | Range | Notes | |
| 1 | 100GBASE-ER4 | Optical,
1310nm SM WDM |
25.78125 | 4 | 40 km | Module (transceiver) transmission side interfaces (designated by ‘BASE’ in the name) |
| 2 | 100GBASE-LR4 | Optical,
1310nm SM WDM |
25.78125 | 4 | 10 km | |
| 3 | 40GBASE-LR4 | Optical,
1310nm SM WDM |
10.3125 | 4 | 10 km | |
| 4 | 100GBASE-SR10 | Optical,
850nm MM Ribbon |
10.3125 | 10 | 100 m | |
| 5 | 40GBASE-SR4 | Optical,
850nm MM Ribbon |
10.3125 | 4 | 100 m | |
| 6 | 100GBASE-CR10 | Electrical, Cu Cable | 10.3125 | 10 | 7 m | |
| 7 | 40GBASE-CR4 | Electrical, Cu Cable | 10.3125 | 4 | 7 m | |
| 8 | 40GBASE-KR4 | Electrical, Backplane | 10.3125 | 4 | 1 m | |
| 9 | CAUI | Electrical | 10.3125 | 10 | 25 cm | Chip to module, re-timed (“nAUI”) |
| 10 | XLAUI | Electrical | 10.3125 | 4 | 25 cm | |
| 11 | CPPI | Electrical | 10.3125 | 10 | 25 cm | Chip to module, non-re-timed (like SFP+) (“nPPI”) |
| 12 | XLPPI | Electrical | 10.3125 | 4 | 25 cm |
100GBASE-LR4/ER4 (#1, #2)
Longer distance (to 40 km) single mode fiber-based links using 4 WDM wavelengths in the 1310nm window, operating at 25.78125 Gb/s each.
Useful Information
BERTScope Capabilities for Stressed Receiver Testing of
40GBASE-LR4 and 100GBASE-LR4/ER4
Recommended Products
BERTScope Si 25000C
BERTScope CR 25000A and CR 28000A
Photline
ModBox optical transmitter
Discovery Semiconductor O/E with 21 GHz bandwidth (AC coupled)
40GBASE-LR4 (#3)
Similar to 100GBASE-LR4, but runs at 10.3125 Gb/s per channel.
Useful Information
BERTScope Capabilities for Stressed Receiver Testing of
40GBASE-LR4 and 100GBASE-LR4/ER4
Recommended Products
BERTScope S 12500B
BERTScope
DCRJ
Contact SyntheSys for optical transmitter solution
40GBASE-SR4, 100GBASE-SR10 (#4, #5)
Short reach connections using parallel ribbon fiber, with 850nm multimode links each running at 10.3125 Gb/s. Receiver testing to be carried out with all channels active to cause representative crosstalk.
Useful Information
BERTScope Capabilities for Stressed Receiver
Testing of 40GBASE-SR4, 100GBASE-SR10
“Constructing a 10 Gb/s Ethernet Optical Stressed
Eye” White Paper
Recommended Products
BERTScope S 12500B
BERTScope
DCRJ
Contact SyntheSys for optical transmitter solution
40GBASE-KR4 (#8)
Backplane standard that uses identical links to the established 10GBASE-KR. Four lanes of 10.3125Gb/s data. Transmitter and Receiver electrical characteristics are measured in exactly the same way as for KR. Receiver interference tolerance testing is also executed the same way except all four transmitter lanes need to be in operation and terminated.
Useful Information
“10GBASE-KR Compliance Testing”
White Paper
Recommended Products
BERTScope S 12500B with
Option F2
BERTScope CR 12500A and
CRJ 12500A
BERTScope DPP 12500A
BERTScope ISI Board
nAUI (CAUI/XLAUI)
(#9, #10)
CAUI and XLAUI are optional implementations of the Physical Medium Attachment (PMA) sublayer (AUI stands for Attachment Unit Interface, with “C” the Roman numeral for 100, and “XL” the Roman numeral for 40). nAUI is a chip-to-chip or chip-to-module retimed electrical interface. Receiver electrical test is similar to 10GBASE-KR.
Useful Information
“10GBASE-KR Compliance Testing”
White Paper
Recommended Products
BERTScope S 12500B with
Option F2
BERTScope CR 12500A and
CRJ 12500A
BERTScope DPP 12500A
BERTScope ISI Board
nPPI (CPPI, XLPPI)
(#11, #12)
nPPI (Parallel Physical Interface) is an optional instantiation of the 40GBASE-SR4 and 100GBASE-SR10 Physical Medium Dependent (PMD) layer, assuming a non-retimed module. Its electrical test requirements are similar to SFP+.
Useful Information
“Testing an SFP+ Transceiver to the 10 Gigabit
Ethernet Electrical Specifications” White Paper
Recommended Products
BERTScope S 12500B
with Option Jitter Map
for J2/J9, DDPWS measurements
BERTScope CR 12500A and
CRJ 12500A
Product Information
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To learn more about
how BERTScope can meet your testing needs, or to schedule a demonstration in your
lab, contact our Sales Engineers.
