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Cisco SFP-10/25G-LR-S Optical Module Sample Test Report

Time: 2024-03-13
        Cisco offers the SFP-10/25G-LR-S optical transceiver, which supports 10G/25G Ethernet transmission up to 10 km over single-mode fiber (SMF). Moduletek Laboratory tested this sample module to help you fully understand its performance indicators and actual on-switch application effect.
1. Product Overview
        The Cisco SFP-10/25G-LR-S optical transceiver supports a maximum link length of 10 km over G.652 single-mode fiber at both 10G and 25G rates, with a commercial operating temperature range of 0℃ to 70℃. Official key parameters and the physical appearance of the module are as follows:
Table 1 Official Key Parameters
Type
Distance
Max Power Consumption
Operating Temperature
Cable Type
Wavelength
Transmit Power
Receive Power
Transmit and Receive Wavelength
10G
10KM
1.3W
0~70℃
SMF
1310nm
-8.2~+0.5dBm
-14.4~+0.5dBm
1260~1355nm
25G
-7~+2dBm
-13.3~+2dBm
1295~1325nm

CISCO SFP-10/25G-LR-S Optical Module Physical Figure
Figure 1 Physical Image
2. On-Switch Identification Test
        The SFP-10/25G-LR-S module was installed into a Cisco C9300 switch for testing. At both 10G and 25G rates, the module achieved normal LINK status with the port indicator illuminated. The switch correctly recognized complete module information (including module type and serial number), and DOM data was readable with all values within the normal threshold range, no alarms occurred.
Table 2 On-Switch Identification Results
 
Read Result at 10G Rate 
Read Result at 10G Rate 
LINK
Identification 
DOM Data
3. Key Performance Parameter Test
        All performance tests were conducted with the module case temperature stabilized at 45℃ on a professional test fixture. The test results are shown below:
Table 3 Performance Indicators
 
Transmit Optical Power
Power Consumption
Receive Sensitivity
(with fiber) 
Receive Sensitivity
(with 10KM fiber) 
Remarks
10G
-0.78dBm
0.8604W
-15.77dBm
-15.88dBm
0 BER
25G
-0.53dBm
0.909W
-13.99dBm
-14.25dBm
5E-5 BER
4. Eye Diagram Test
        Eye diagram tests were performed at a module case temperature of 45℃. All eye diagrams meet standard qualification requirements.
Table 4 Eye Diagram Status
Eye Diagram Status at 10G rate 
Eye Diagram Status at 25G rate

Table 5 Eye Diagram Parameters
 
Temperature (°C)
Extinction Ratio (dB)
P-P Jitter (ps)
Rise Time (ps)
Fall Time (ps) 
Margin Value (%)
10G
45
6.48
13.3
19.32
28.14
29.7
25G
45
5.06
10.8
16.38
21.66
35.8
        Actual test results show that all key performance indicators of this sample module are consistent with Cisco’s official specifications.
        Moduletek sincerely serves you.
        For further inquiries about the above content, please contact us at: sales@moduletek.com
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