| Definitions |
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| CEI-25 |
C ommon E lectrical I nterface for 25 Gb |
| CWDM |
Coarse Wavelength Division Multiplexing |
| DFB |
D istributed F eed b ack (Laser) |
| EAM |
Electro-Absorptive Modulator |
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| ECOC |
European Conference on Optical Communications |
| EML |
External Modulated Laser |
| ER |
Extended-Reach |
| FR4 |
Standard Printed Circuit Board Material for 10Gb Modules |
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| HSSG |
Higher Speed Study Group within IEEE |
| IEEE |
Institute for Electrical and Electronic Engineers www.ieee.org |
| IEEE 802.3ae |
10Gb Ethernet Standard |
| ITU |
International Telecommunications Union www.itu.org |
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| LR |
Long-Reach |
| LX4 |
4 Channel CWDM module described in 10Gb Ethernet standard |
| MMF |
Multi Mode Fiber |
| MSA |
Multi-Source Agreement |
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| OFC |
Optical Fiber Communication www.ofcnfoec.org |
| OIF |
Optical Internetworking Forum www.oiforum.com |
| PCB |
Printed Circuit Board |
| PLL |
Physical Link Layer |
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| SFF |
Small Form-Factor |
| SFP |
Small Form-factor Pluggable |
| SMF |
Single Mode Fiber |
| SSR-40 |
Serial Short-Reach 40Gb Transponder Working Group |
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| X2 |
MSA defining a 10Gb Ethernet transponder form-factor |
| X40 |
MSA defining a 40Gb CWDM transponder |
| Xenpak |
MSA defining a 10Gb Ethernet transceiver form-factor |
| XFP |
10Gb small Form factor Pluggable transceiver |
| Xpak |
MSA defining a 10Gb Ethernet transponder form-factor |
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