25GE SFP28 for Multi-Mode Optical Fiber Digital Diagnostic SFP, 850nm, Low Voltage (3.3 V) 25GBASE-SR, Ethernet Optical Transceiver


Avago Technologies' AFBR-725SMZ optical transceiver supports high speed serial links over multi-mode optical fiber at signalling rates up to 25.78 Gb/s (the seri-al line rate of 25GE). The product is compliant with Small Form Pluggable industry agreements SFP and SFP+ for mechanical and low speed electrical specifications. High speed electrical and optical specifications are compliant with IEEE 802.3by for 25GBASE-SR.

The AFBR-725SMZ is a multi-rate 850nm transceiver which ensures compliance with 25GBASE-SR specifications. Per the requirements of 25GE, internal clock and data recovery circuits (CDRs) are present on both electrical input and electrical output of this trans-ceiver. These CDRs will lock at 25.78 Gb/s. Digital diagnostic monitoring information (DMI) is present in the AFBR-725SMZ per the requirements of SFF-8472, providing real time monitoring information of transceiver laser, receiver and environment conditions over a SFF-8431 2-wire serial interface.

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  • Compliant to RoHS directives
  • 850 nm Vertical Cavity Surface Emitting Laser (VCSEL)
  • Class 1 eye safe per IEC60825-1 and CDRH
  • Wide temperature range (0°C to 70°C)
  • LC duplex connector optical interface conforming to ANSI TIA/EIA604-10 (FOCIS 10A)
  • Diagnostic features per SFF-8472 “DiagnosticMonitoring Interface for Optical Transceivers”
  • Enhanced operational features including variable electrical EQ/emphasis settings
  • Real time monitoring of:
    • Transmitter average optical power
    • Received average optical power
    • Laser bias current
    • Temperature
    • Supply Voltage
  • SFP+ mechanical specifications per SFF-8432
  • SFP+ compliant low speed interface
  • 25GBASE-SR compliant optical link distances
Form Factor SFP28
Data Rate (Gbps) 25.78
Maximum Distance (m) 100
Connector Type LC
Fiber Type Multimode
Nominal Optical Wavelength (nm) 850
Lifecycle Active