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

Time: 2024-03-19
        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
         FINISAR QSFP28-100G-LR4 optical module supports 10KM link length on 100G standard single-mode fiber (SMF) G.652, and supports commercial temperature range (0~70℃); the official key parameter information and physical appearance of the module are as follows:
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 
 Channel 1 
 Channel 2 
 Channel 3 
 Channel 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
Channel1
Channel 2
Channel 3
Channel 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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