SFP 1.25Gb/s 550M SINGLE ST SINGLE FIBERS OPTICAL TRANSCEIVER MODULE
Description
This kind of Transceivers are a high performance, cost effective module which have a single ST optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472. The receiver section uses a PIN receiver and the transmitter uses a 1310 nm FP laser, up to 10dB link budge ensure this module 1000Base-SX Ethernet 550m application.
Features
● Up to 1.25Gb/s Data Links
● Hot-Pluggable Single ST connector
● Up to 550m on 50/125μm MMF
● 1310nm FP laser transmitter
● 1550nm PIN photo-detector
● Power Supply:+3.3V
● Monitoring Interface Compliant with SFF-8472
● Maximum power dissipation <1W
● Industrial /Commercial operating temperature range: -40°C to 85°C/-0°C to 70°C
● RoHS compliant and Lead Free
Applications
● 1000Base-SX Ethernet
● Metro/Access Networks
● 1G Fibre Channel
● Other Optical Links
Absolute Maximum Ratings
Optical Characteristics (TOP =Tc, VCC = 3.135 to 3.465 Volts)
Pin Assignment
Pin Function Description
SFP Module EEPROM Information and Management
The SFP modules implement the 2-wire serial communication protocol as defined in the SFP-8472. The serial ID information of the SFP modules and Digital Diagnostic Monitor parameters can be accessed through the I2C interface at address A0h and A2h. The memory is mapped in Table 1. Detailed ID information (A0h) is listed in Table 2. And the DDM specification at address A2h. For more details of the memory map and byte definitions, please refer to the SFF-8472,Digital Diagnostic Monitoring Interface for Optical Transceivers. The DDM parameters have been internally calibrated.
Digital Diagnostic Monitor Characteristics
Recommended Circuit
Mechanical Dimensions
Ordering Information
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.
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Power and Wavelength Testing
Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.
Traffic Testing
Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.
Optical Performance Testing
Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.
End Face Testing
Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.
Various Switch Tests
Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.