50GHz DWDM SFP+ 10G Transceiver

• SFP+ Single-Mode for DWDM Application
• Duplex SFP+ Transceiver
• Digital Diagnostic Function
• RoHS6 Compliant
• Available in all C-Band Wavelengths on the 50GHz
• DWDM ITU Grid
• Temperature-Stabilized DWDM EML Transmitter
• Duplex LC Connector
• Power Dissipation  ＜1.5W
• Dispersion tolerance from -300ps/nm to 800ps/nm
• Hot-Pluggable SFP+ Footprint
• Compliant with SFF-8431 MSA
• Compliant with SFF-8432 MSA
• Operating Case Temperature:0°C to 70°C(Standard), -40°C to 85°C (Industrial)

Applications

• 10GBASE-ER/EW
• 10G FC
• Other optical links

Product Description

The 50GHz DWDM SFP+ 10G Transceiver series single mode transceiver is small form factor pluggable module for duplex optical data communications. This module is designed for single mode fiber and operates at a nominal DWDM wavelength from 1528nm to 1566nm as specified by the ITU-T. It is designed to deploy in the DWDM networking equipment in metropol itan access and core networks.It is with the SFP+ 20-pin connector to allow hot plug capability. The transmitter section uses a DWDM EML laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses a PIN detector and a limiting post-amplifier IC. The 50GHz DWDM SFP+ 10G Transceiver series are designed to be compliant with SFP+ Multi-Source Agreement (MSA) Specification SFF-8431.

 The optical transceiver contains an EEPROM. It provides access to sophisticated identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information.
The serial interface uses the 2-wire serial CMOS EEPROM protocol. When the serial protocol is activated, the host generates the serial clock signal (SCL, Mod Def 1). The positive edge clocks data into those segments of the EEPROM that are not writing protected within the SFP+ transceiver. The negative edge clocks data from the SFP+ transceiver. The serial data signal (SDA, Mod Def 2) is bi-directional for serial data transfer. The host uses SDA in conjunction with
SCL to mark the start and end of serial protocol activation. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially. The module provides diagnostic information about the present operating conditions. The transceiver generates this diagnostic data by digitization of internal analog signals. Alarm/warning threshold data is written during device manufacture. TEC current monitoring, laser temperature monitoring, received power monitoring, transmitted power monitoring, bias current
monitoring, supply voltage monitoring and transceiver temperature monitoring all are implemented. The diagnostic data are internal calibration and stored in memory locations 96 – 109 at wire serial bus address A2h. The transceiver memory map specific data field defines as following.

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