Fibertop - Global Optical Module Manufacturer -HPC,Data Center

FIBERTOP 25G LR SFP28 SMF 1310nm 10km LC DOM Transceiver Module 1

FIBERTOP 25G LR SFP28 SMF 1310nm 10km LC DOM Transceiver Module 2

FIBERTOP 25G LR SFP28 SMF 1310nm 10km LC DOM Transceiver Module 3

FIBERTOP 25G LR SFP28 SMF 1310nm 10km LC DOM Transceiver Module

SKU: SFP-SM31T5-10DC

Product Highlights

Support for 25Gb/s data rate

Hot-pluggable SFP+ footprint

1310nm DFB laser and PIN photodiode, Up to 10km for SMF transmission

Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle

Compatible with RoHS

Single +3.3V power supply

Real Time Digital Diagnostic Monitoring

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Compatible With OEM Part Number(s)

SFP-SM31T5-10DC

Compatible OEM

FIBERTOP

Transceiver Type

Form Type

SFP28

Speed Description

25-Gigabit

Reach

10km

Wave length

1310nm

Media

SMF

Connector

TXPower

-7.0~-2dBm

Extinction Ratio

>3.5dB

Receiver Sensitivity

<-13.3dBm

FIBERTOP 25G LR SFP28 Transceiver SMF 1310nm 10km LC DOM

This FIBERTOP SFP-SM31T5-10DC transceiver is high performance, cost effective modules supporting data rate of 25.78Gbps and 10km transmission distance with SMF.

The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit.

All modules satisfy class I laser safety requirements.

The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.

Additional product features include Digital Optical Monitoring (DOM) support which allows access to real-time operating parameters.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	SFP-SM31T5-10DC
Transceiver Type	LR	Reach	10km
Wavelength	1310nm	Form Type	SFP28
Speed Description	25-Gigabit	Media	SMF
Connector	LC	Extinction Ratio	>3.5dB
TX Power	-7.0~-2dBm	Receiver Sensitivity	<-13.3dBm
Applications	25GBASE-LR	Environment	Operating:0 to70C Storage: -40°C to 85°C

Questions & Answers

Q：For 25G module, can we preconfigure the module to operate in 10G mode ? Setting in register A2 ( bits 110.3 and 118.3) need to be persistent.

So when the module comes up in customer switch after power up, they do not have to do anything. [ They actually need 25G in one direction and 10G in other direction]

A：According to the protocol CDR shutdown function is a power-down reset type of variable control, every time you power on the working module is the default open 25G CDR, such as shutdown requires software control.

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