The Huawei SFP28 25G 1310nm 300m SM is a high speed transceiver designed for use in data communication networks. It is an SFP28 (Small Form factor Pluggable 28) module, which is a compact, hot pluggable transceiver used for both telecommunication and data communications applications. Here are the key specifications and characteristics of this transceiver:

Basic Information:

1. Part Number: 34061940

2. Form Factor: SFP28

3. Wavelength: 1310nm

4. Data Rate: 25Gbps

5. Operating Temperature: Typically, SFP28 modules operate within a range of 0°C to 70°C (32°F to 158°F).

6. Storage Temperature: Usually, the storage temperature range is  40°C to 85°C ( 40°F to 185°F).

7. Compliance Standards: The module should comply with industry standards such as SFF 8436 (SFP28), IEEE 802.3by (25GBASE SR), and possibly others depending on the specific application.

Transmitter Receiver Characteristics:

1. Transmitter Output Power:  7dBm

2. Receiver Sensitivity:  10.5dBm

3. Optical Insertion Loss: 2dBm

4. Connector Type: LC (Lucent Connector)

5. Fiber Type: SMF (Single Mode Fiber)

6. Link Length: 0.3km (300m)

7. Wavelength Tolerance: Typically, the wavelength tolerance for a 1310nm transceiver is ±3nm.

8. Output Power Tolerance: The output power tolerance is usually within ±1dB from the specified value.

9. Receiver Sensitivity Tolerance: The receiver sensitivity tolerance is typically within ±2dB from the specified value.

Additional Features:

  Digital Diagnostics Monitoring (DDM): The SFP28 module likely supports DDM, which provides real time monitoring of parameters such as temperature, voltage, bias current, and optical output power.

  RoHS Compliance: It is expected to be compliant with the Restriction of Hazardous Substances (RoHS) directive.

  CE Marking: Indicates conformity with health, safety, and environmental protection standards for products sold within the European Economic Area.

  FCC Compliance: If sold in the United States, the module would be expected to comply with Federal Communications Commission regulations.

This transceiver is designed for high speed data transmission over short distances in single mode fiber networks. Its compact size and high performance make it suitable for use in data centers, enterprise networks, and telecommunications infrastructure.

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