6-Channel SFP28 EVB Test Evaluation Board Compatibility Is Good
The SFP28 EVB test board is an important device for evaluating the performance of the SFP28 packaged active modules
Product Introduction:
The SFP28 EVB test board is dedicated to the active module of the SFP28 package, and uses devices such as error detectors, attenuators and oscilloscopes to evaluate the transmit performance indicators (such as eye map related indicators) and receive performance indicators (such as sensitivity indicators) of the active module.
The test board also has the function of reading and writing EEPROM information of the module, which provides convenience for the comprehensive evaluation of the module.
Product features:
Interface compatibility: The SFP28 EVB test board supports SFP encapsulation interfaces and can be used for conventional SFP, SFP+, SFP28, SFP56 and other optical modules.
High-speed performance: Because the SFP28 interface is physically compatible with SFP+ interfaces and its maximum speed is increased to 28Gbps, the SFP28 EVB test board can meet the test needs of high-speed data transmission.
Electrical Specifications: The electrical part of the SFP28 complies with the CEI-28G-VSR protocol to ensure that the relevant electrical specifications are met during testing.
| NO. | Index | Maximum value | Minimum value | unit |
| 1 | Data rate | 56 | 1.25 | Gbps |
| 2 | Adjustable output supply voltage | 4 | 2.8 | V |
| 3 | Accuracy of tension voltage regulation | 5 | mV |
| 4 | Monitoring voltage accuracy | 5 | mV |
| 5 | Monitoring current | 1000 | 0 | mA |
| 6 | Monitoring current accuracy | 0.1 | mA |
| 7 | I2C rate | 400 | 100 | KHz |
| 8 | Power supply voltage (external DC power input voltage) | 5.5 | 4 | V |
| 9 | Operating temperature | 85 | -40 | °C |
| 10 | Communication mode | USB HID,No drive. |
| 11 | TX,RX Electrical interface type | 40GHz 2.92mm female |
| 12 | Input/output level type | CML |
Usage scenario:
During the development and production of optical modules, the SFP28 EVB test board can be used to evaluate the performance and stability of the module to ensure that the module meets the design requirements.
During the debugging and testing phase of network devices, the SFP28 EVB test board can be used to verify the compatibility and performance of network devices and optical modules.
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