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20KM Fiber Optic Module 100G QSFP28 Transceiver Single Mode Duplex LC Connector

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20KM Fiber Optic Module 100G QSFP28 Transceiver Single Mode Duplex LC Connector

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Brand Name :	E-link
Model Number :	LNK-QSFP28-LR4-20
Certification :	CE,FCC,RoHs
Price :	Negotiation
Payment Terms :	Western Union, L/C, T/T, MoneyGram, Paypal
Supply Ability :	20000pcs/per month
Delivery Time :	7 Working days

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20KM Fiber Optic Module 100G QSFP28 Transceiver Single Mode Duplex LC Connector

Fiber Optic Module 100G 20KM QSFP28 Transceiver Single Mode Duplex LC Connector
Optical Fiber Transceiver Advantages
► 4 lanes MUX/DEMUX design

► Integrated LAN WDM TOSA / ROSA for up to 10 km reach over SMF

► Built-in digital diagnostic functions

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

QSFP Optical Module Overview

The LNK-QSFP28-LR4-20 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.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
Storage Temperature	T_S	-40		+85	°C
Supply Voltage	V_CCT, R	-0.5		4	V
Relative Humidity	RH	0		85	%

Recommended Operating Environment

Parameter	Symbol	Min.	Typical	Max.	Unit
Case operating Temperature	T_C	0		+70	°C
Supply Voltage	V_{CCT, R}	+3.13	3.3	+3.47	V
Supply Current	I_CC		1100	1500	mA
Power Dissipation	PD			5	W

Diagnostic Monitoring Interface

Digital diagnostics monitoring function is available on all QSFP28 LR4. A 2-wire serial interface provides user to contact with module. The structure of the memory is shown in flowing. The memory space is arranged into a lower, single page, address space of 128 bytes and multiple upper address space pages. This structure permits timely access to addresses in the lower page, such as Interrupt Flags and Monitors. Less time critical time entries, such as serial ID information and threshold settings, are available with the Page Select function. The interface address used is A0xh and is mainly used for time critical data like interrupt handling in order to enable a one-time-read for all data related to an interrupt situation. After an interrupt, IntL has been asserted, the host can read out the flag field to determine the affected channel and type of flag.

Ordering Information

Part Number	Product Description
LNK-QSFP28-LR4-20	100G QSFP28 1310nm 20km LR4 LC

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