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QSFP28 100Gbps ER4 LWDM

QSFP28 100Gbps ER4 LWDM

The GWCQ-BBHH-40CL contains a duplex Straight LC connector for the optical interface and a 38-pin connector for the electrical interface. The Figure 1 shows the functional block diagram of this transceiver
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Description
Products Description

Features

Up to 40KM transmission on single mode fiber

Support 103.125Gbps aggregate bit rate

QSFP28 MSA compatible,Hot-Pluggable 38pin electrical interface

4 LWDM wavelengths 1295.56, 1300.05, 1304.58 and 1309.14nm

Cooled LAN-WDM EML TOSA and APD Receiver

Single 3.3V power supply,Power consumption< 5 W

Operating case temperature: 0 to 70 ℃

Industry-standard LC duplex connector

IEC 60825-1 Class 1/CDRH Class 1 laser eye safe

Compliance with Restriction on Hazardous Substances (RoHS2.0)

CAUI-4 compliant

Applications

Infiniband QDR and DDR  100GBASE-ER4 Ethernet Links

interconnects

Module block diagram

q.jpg

Figure 1 Functional Block Diagram

Functional Description

The GWCQ-BBHH-40CL contains a duplex Straight LC connector for the optical interface and a 38-pin

connector for the electrical interface. The Figure 1 shows the functional block diagram of this transceiver

1.Transmitter Operation   

The transceiver module receives 4 channels of 25.78Gbps electrical data, which are processed by a 4 channel

Clock Data Recovery (CDR) IC that reshapes and reduces the jitter of each electrical signal. Subsequently, the

integrated EML laser driver unit converts each channel of the 4 electrical signals to optical signal from one of

the 4 LAN-WDM EML lasers. All of 4 optical signals are multiplexed to form a single optical output of 100Gbps.

2.Receiver Operation   

The receiver section de-multiplexes the optical input of 100Gbps signal into 4 optical signals of LWDM

wavelengths. Each optical signal is converted to electrical signal by APD ROSA. All of the 4 electrical signals

are feed to another CDR IC that provides limiting amplification,reshapes and retimes each electrical signal as

one of the 4 output channels.

Order Information

Table 1-Order Information

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Note 1. Case Temperature

Note 2. “SMF” stands for 9/125µm SMF

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