Optical Transceiver Glossary

Understand the terminology behind optical transceivers, compatibility, high-speed networks, quality testing, and global procurement.

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101 terms

All Glossary Terms

1

1.6T Optical Transceiver 1.6 Terabit-per-second Optical Transceiver Module 1.6T Transceiver 1.6 Terabit-per-second Optical Transceiver 1000BASE-LX SFP Gigabit Ethernet Long-Wavelength SFP 1000BASE-LX SFP Transceiver 1000BASE-LX Small Form-factor Pluggable Transceiver 100G DR 100 Gigabit Ethernet 500 m Reach 100G ER 100 Gigabit Ethernet Extended Reach 100G FR 100 Gigabit Ethernet 2 km Reach 100G LR 100 Gigabit Ethernet Long Reach 100G Transceiver 100 Gigabit-per-second Optical Transceiver 10GBASE-ER 10 Gigabit Ethernet Extended Reach 10GBASE-ER SFP 10GBASE-ER SFP+ Transceiver 10GBASE-LR 10 Gigabit Ethernet Long Reach

2

224G SerDes 224 Gigabit Serializer/Deserializer

4

400G DR4 400 Gigabit Ethernet Four-lane 500 m Reach 400G FR4 400 Gigabit Ethernet Four-wavelength 2 km Reach 400G Transceiver 400 Gigabit-per-second Optical Transceiver

8

800G 800 Gigabit Ethernet 800G Optical Transceiver 800 Gigabit-per-second Optical Transceiver Module 800G Transceiver 800 Gigabit-per-second Optical Transceiver

A

AEC Cable Active Electrical Cable AOC Cable Active Optical Cable

B

BER Bit Error Rate BiDi Bidirectional Burn-in Test Accelerated Burn-in Test

C

CFP2 C Form-factor Pluggable 2 CMIS Common Management Interface Specification Coherent Optics Coherent Optical Transmission Compatibility Testing Host Platform Compatibility Verification Compatible Transceiver Third-party Compatible Optical Transceiver CPO Co-Packaged Optics CPO Optics Co-Packaged Optics CWDM Coarse Wavelength Division Multiplexing

D

DAC Cable Direct Attach Copper Cable DCI Data Center Interconnect DDM / DOM Digital Diagnostic Monitoring / Digital Optical Monitoring DDP Delivered Duty Paid DFB Distributed Feedback Laser DR / DR4 Data Center Reach DSP Digital Signal Processor DWDM Dense Wavelength Division Multiplexing

E

EEPROM Electrically Erasable Programmable Read-Only Memory EML Electro-absorption Modulated Laser ER / ER4 Extended Reach Eye Diagram Signal Eye Diagram

F

FEC Forward Error Correction FR / FR4 Fiber Reach

L

LC Lucent Connector Lead Time Order Lead Time Leaf-Spine Network Leaf-Spine Network Architecture LPO Linear Pluggable Optics LR / LR4 Long Reach

M

MMF Multimode Fiber MOQ Minimum Order Quantity MPO / MTP Multi-fiber Push On / Multi-fiber Termination Push-on MSA Multi-Source Agreement

N

NRZ Non-Return-to-Zero

O

OEM / ODM Original Equipment Manufacturing / Original Design Manufacturing OM3 Optical Multimode 3 OM4 Optical Multimode 4 Optical Module Optical Transceiver Module Optical Power Budget Optical Link Budget OS2 Optical Single-mode 2 OSFP Octal Small Form-factor Pluggable OSFP Connector Octal Small Form-factor Pluggable Connector OSFP MSA OSFP Multi-Source Agreement OSFP Port Octal Small Form-factor Pluggable Port OSFP vs QSFP OSFP and QSFP Form-factor Comparison OSFP vs QSFP-DD OSFP and QSFP-DD Comparison

P

PAM4 Four-level Pulse Amplitude Modulation PAM4 Modulation Four-level Pulse Amplitude Modulation PAM4 Signaling Four-level Pulse Amplitude Modulation Signaling

Q

QSFP Quad Small Form-factor Pluggable QSFP to QSFP Cable QSFP Direct-attach or Active Cable QSFP to SFP+ Adapter QSFP-to-SFP+ Port Adapter QSFP vs SFP QSFP and SFP Form-factor Comparison QSFP+ Quad Small Form-factor Pluggable Plus QSFP-DD Quad Small Form-factor Pluggable Double Density QSFP-DD MSA QSFP-DD Multi-Source Agreement QSFP112 Quad Small Form-factor Pluggable 112 QSFP28 Quad Small Form-factor Pluggable 28 QSFP56 Quad Small Form-factor Pluggable 56

R

RDMA Remote Direct Memory Access RMA Return Merchandise Authorization RoCEv2 RDMA over Converged Ethernet Version 2 Rx Sensitivity Receiver Sensitivity

S

Scale-up vs Scale-out Scale-up and Scale-out Networking SFP Small Form-factor Pluggable SFP+ Enhanced Small Form-factor Pluggable SFP28 Small Form-factor Pluggable 28 SFP28 vs SFP+ SFP28 and SFP+ Comparison Silicon Photonics Silicon Photonics / SiPh Silicon Photonics Chip Silicon Photonic Integrated Circuit SMF Single-mode Fiber SR / SR4 Short Reach

T

Temperature Cycling Temperature Cycling Test Traceability Product and Batch Traceability Tx Power Transmit Optical Power

U

UPC vs APC Ultra Physical Contact vs Angled Physical Contact

V

VCSEL Vertical-Cavity Surface-Emitting Laser Vendor Coding Transceiver Vendor EEPROM Coding

Z

ZR / ZR+ Extended Reach / Coherent Reach Class