QSFP28-100G-LR4-20

100Gbps QSFP28 LR4 Transceiver, Single Mode, 20km Reach

SPEC

SPEC

Product Features

4 lanes MUX/DEMUX design

Integrated LAN WDM TOSA / ROSA for up to 20km reach over SMF

Support 100GBASE-LR4 for line rate of 103.125Gbps and OTU4 for line rate of 111.81Gbps

Aggregate bandwidth of > 100Gbps

Duplex LC connectors

Compliant with IEEE 802.3-2012 Clause 88 standard IEEE 802.3bm CAUI-4 chip to module electrical standard ITU-T G.959.1-2012-02 standard

Single +3.3V power supply operating

Built-in digital diagnostic functions

Temperature range 0°C to 70°C

RoHS Compliant Part

Support FEC(Forward Error Correction)

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Description

The QSFP28-100G-LR4-20 is a transceiver module designed for 20km optical communication applications. The design is compliant to 100GbASE-LR4 of the IEEE 802.3-2012 Clause 88 standard IEEE 802.3bm CAUI-4 chip to module electrical standard ITU-T G.959.1-2012-02 standard . The module converts 4 inputs channels (ch) of 25.78 Gbps to 27.95Gbps electrical data to 4 lanes optical signals, and multiplexes them into a single channel for 100Gb/s optical transmission. Reversely, on the receiver side, the module optically de-multiplexes a 100Gb/s input into 4 lanes signals, and converts them to 4 lanes output electrical data.


The central wavelengths of the 4 lanes are 1296 nm, 1300 nm, 1305 nm and 1309 nm . It contains a duplex LC connector for the optical interface and a 38-pin connector for the electrical interface. To minimize the optical dispersion in the long-haul system, single- mode fiber (SMF) has to be applied in this module.


The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP28 Multi-Source Agreement (MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference. The module offers very high functionality and feature integration, accessible via a two-wire serial interface.


The module operates from a single +3.3V power supply and LVCMOS/LVTTL global control signals such as Module Present, Reset, Interrupt and Low Power Mode are available with the modules. A 2-wire serial interface is available to send and receive more complex control signals and to obtain digital diagnostic information. Individual channels can be addressed and unused channels can be shut down for maximum design flexibility.

Application Scenario

Local Area Network (LAN)

Wide Area Network (WAN)

Ethernet switches and router applications

Mechanical Dimension

QSFP28-100G-LR4-20

Order Information
Part NumberProduct Description
QSFP28-100G-LR4-20100G QSFP28 LR4 Transceiver, 4 lanes MUX/DEMUX, LC, 20km, 0°C~+70°C, with DDM
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QSFP28-100G-LR4-20
100Gbps QSFP28 LR4 Transceiver, Single Mode, 20km Reach

100Gbps QSFP28 LR4 Transceiver, Single Mode, 20km Reach

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