INTEL E25GSFP28SR Optical Module Sample Report
Time: 2024-11-06
INTEL has model E25GSFP28SR optical module products, can be in the multimode fiber to support 10/25G Ethernet transmission of 100m, Moduletek Limited Laboratory of the product samples for testing, to facilitate a further understanding of the product's performance indicators and the effect of the actual machine use.
1. Product Introduction
INTEL E25GSFP28SR optical module supports 70/100 meters link length on OM3/4 and commercial temperature range (0-70℃); the official key parameter information and physical appearance of the module are as follows:
Table 1 INTEL E25GSFP28SR Official Key Parameters
| Type | Distance | Extinction Ratio | Operating Temperature | Cable Type | Wavelength | Transmit Power | Receiver Power | Transmit and Receive Wavelength |
| 10G | 70/100M | 2dB(Min) | 0~70℃ | MMF | 850nm | -8.4~+2.4dBm | -11~+3dBm | 840~860nm |
| 25G |

Figure 1 INTEL E25GSFP28SR Optical Module Physical Drawing
2. Module identification
INTEL E25GSFP28SR module into the INTEL E810XXVDA2BLK 25G dual-port fiber-optic network card, access to the jumper, the module can be a normal LINK, the port indicator is lit; module information can be recognized by the network card, such as the module type, vendor name, model number, serial number, rate, transmission distance, etc.; you can read the DOM data, and the DOM data are within the threshold range. within the threshold range, no alarm phenomenon.
Table 2 INTEL E25GSFP28SR reading information on NICs
| Item | Module reading information at 10G rate | Module reading information at 25G rate |
| LINK |
|
|
| Recognition |
|
|
| DOM data |
|
|
3. Module key parameters test
The performance indexes of INTEL E25GSFP28SR sample module on the test board are tested under the condition of 45℃ in the laboratory module shell, and the test results are as follows;
Table 3 INTEL E25GSFP28SR Performance Indicators
| Transmit optical power | Power consumption | Receive sensitivity (over fiber) | Receive sensitivity (over 100 m fiber) | Remarks | |
| 10G | -2.225dBm | 0.549W | -14.778dBm | -14.508 dBm | 0 BER |
| 25G | -2.456dBm | 0.552W | -12.845dBm | -12.492dBm | 5E-5 BER |
The sample module enclosure was tested at 45°C optical eye diagram with the following eye diagram template and parameters:
Table 4 INTEL E25GSFP28SR optical module eye diagrams
| Module eye diagram at 10G rate | Module eye diagram at 25G rate |
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Table 5 INTEL E25GSFP28SR optical eye diagram parameters
| Temperature (°C) | Extinction ratio (dB) | P-P jitter (ps) | Rise time (ps) | Descent time (ps) | Margin value (%) | |
| 10G | 45 | 4.56 | 14.14 | 18.34 | 20.58 | 5.6 |
| 25G | 45 | 4.29 | 11.52 | 16.14 | 17.76 | 21.0 |
From the actual test situation, the module's key parameters and indicators are in line with INTEL's official claims.
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