FINISAR FTLC1154RDPL QSFP28-100G-LR4 Optical Module Sample Report

FINISAR has model QSFP28-100G-LR4 optical module products, which can support 100G Ethernet transmission 10KM in single-mode fiber, Moduletek Limited Laboratory has tested the sample of this product, which is convenient for you to know more about the performance index of this product and the effect of using the actual machine.

1. Product Introduction

Table 1 FINISAR QSFP28-100G-LR4 Optical Module Official Key Parameters

Type	Distance	Max Power Consumption	Operating Temperature	Cable Type	Wavelength	Transmit Power	Receive Power	Transmiter	Receiver
100G	10KM	3.5W	0~70℃	SMF	1310nm	-4.3~+4.5dBm	-10.6~+4.5dBm	4xLWDM DFB Laser	PIN

Figure 1 FINISAR QSFP28-100G-LR4 Optical Module Physical Drawing

2. Module identification

Connect the QSFP28-100G-LR4 module to NOKIA 7250 switch, the module can be normally LINK, the port indicator is on; the module information can be normally recognized by the switch, such as module type, order number, serial number, etc.; you can read the DOM data, and the DOM data are within the threshold range, no alarm phenomenon.

Table 2 FINISAR QSFP28-100G-LR4 Optical Module Upstream Identification

Item	Switch reading information
LINK
Identify
DOM data

3. Module key parameters test

The performance indicators of the QSFP28-100G-LR4 sample module on the test board are tested under 45°C in the laboratory module enclosure, and the test results are as follows;

Table 3 FINISAR QSFP28-100G-LR4 optical module performance indicators

Parameter	Channe 1	Channe 2	Channe 3	Channe 4	Remarks
Transmit optical power	3.64dBm	4.03dBm	3.15dBm	3.52dBm
Receive sensitivity (not over fiber)	-10.72dBm	-11.72dBm	-12.1dBm	-11.32dBm	0 BER
Receive sensitivity (over 10KM fiber)	-11.15dBm	-12.02dBm	-11.86dBm	-11.55dBm	0 BER
Power Consumption	2.843W

The sample module enclosure was tested at 45°C optical eye diagram with the following eye diagram template and parameters:

Table 4 FINISAR QSFP28-100G-LR4 Optical Module Eye Diagrams

	Eye diagram		Eye diagram
Channe 4		Channe 4
Channe 4		Channe 4

Table 5 FINISAR QSFP28-100G-LR4 optical module eye diagram parameters

Parameter	Channe 1	Channe 2	Channe 3	Channe 4
Temperature (℃)	45	45	45	45
Extinction ratio (dB)	6.91	6.75	7.03	7.12
P-P jitter (ps)	9.68	8.52	7.93	9.33
Rise Time (ps)	15.48	16.28	14.76	16.34
Falling time (ps)	20.34	19.72	19.11	20.96
Margin value (%)	35.1	33.3	39.6	30.9

From the actual test situation, the module's key parameters and indexes are in line with FINISAR's official claims.

Moduletek Limited is at your service.

If you have any questions about the above content, you can contact us by Email : web@moduletek.com .

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FINISAR FTLC1154RDPL QSFP28-100G-LR4 Optical Module Sample Report