25Gbps 850nm Multimode Fiber Module , SR SFP Module MMF Up To 100m Dual LC Fiber

Brand Name:OE
Certification:ISO9001
Model Number:SFP28 25G 850 SR
Minimum Order Quantity:1pcs
Delivery Time:5-8 work days
Payment Terms:T/T
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Location: Wuhan Hubei China
Address: No. 40 Gaoxinsi road, Donghu high-tech zone, Wuhan, 20 buildings 4003, Gezhouba solar city
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Product Details

SFP28 SR 25Gbps 850nm Multimode Fiber Module MMF Up to 100m dual LC fiber


Applications


25GBASE-SR Ethernet

32G Fiber Channel

Other optical lin


PRODUCT FEATURES


Maximum link length of 100m on OM3 MMF and 100m on OM4 MMF

Digital diagnostics functions are available via the I2C interface

Operating case temperature

Commercial: 0°C to +70 °C

+3.3V single power supply

Supports 25.78Gb/s bit rate

850nm VCSEL laser and PIN photo-detector

Power consumption less than 1W

RoHS compliant

Password protection for A0h and A2h


PRODUCT DESCRIPTION


Optical module also be called optical fiber module, the translation should be transceiver module. The function of the optical module is the photoelectric conversion, and the transmitter converts the electrical signal into the optical signal. After the transmission through the optical fiber, the receiving end converts the optical signal into the electrical signal. SFP28 is a kind of optical module.


The 25Gbps 850nm Fiber Optic Module is a multi-rate 850nm transceiver which ensures compliance with 25GBASE-SR specifications. Per the requirements of 25GE, inter-nal 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 25Gbps 850nm Fiber Optic Module 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


Absolute Maximum Ratings

Table2- Absolute Maximum Ratings

ParameterSymbolMin.TypicalMax.UnitNotes
Supply VoltageVcc-0.5-+3.6V
Storage TemperatureTs-40-+85°C
Operating HumidityRH+5-+85%1

Note:

  • No condensation

Recommended Operating Conditions

Table 3- Recommended operating Conditions

ParameterSymbolMin.TypicalMax.UnitNotes
Operating Case TemperatureTC0-+70°C
Power Supply VoltageVcc3.143.33.47V
Power Supply CurrentIcc--300mA
Power DissipationPd--1.0W
Bit RateBR8.525.78125-Gbps

Electrical Characteristics

Table 4- Electrical Characteristics

ParameterSymbolMin.Typ.Max.UnitsNotes
Transmitter
Differential Data Input SwingVin,P-P200-1600mVPP
Input Differential ImpedanceZIN90100110Ω
Tx_FaultNormal OperationVOL0-0.8V
Transmitter FaultVOH2.0-VCCV
Tx_DisableNormal OperationVIL0-0.8V
Laser DisableVIH2.0-VCC+0.3V
Receiver
Differential Date OutputVout400-800mV
Output Differential ImpedanceZD90100110Ω
Rx_LOSNormal OperationVOL0-0.8V
Lose SignalVoH2.0-VCCV

Optical Characteristics

Table 5-Optical Characteristics

ParameterSymbolUnitMinTypMaxNotes
Optical transmitter Characteristics
Bit RateBRGbps8.525.78125-1
Center Wavelength Rangeλcnm820850880
RMS Spectral WidthΔλnm--0.6
Average Launch power Tx_offPoffdBm---30
Average Optical PowerP0dBm-5.02.42
Extinction RatioERdB2.0--
Optical return loss toleranceORLdB--12
Optical Eye Mask-%5--
Optical Receiver Characteristics
Bit RateBRGbps8.525.78125-1
Center Wavelength Rangeλcnm820-880
Damage thresholdDTdBm3.4--
Overload Input Optical PowerPINdBm2.4--

Receive Sensitivity

(Average Power)

-dBm---10.33

Receive Sensitivity

(Average Power)

-dBm---5.24
LOS De-AssertLOSDdBm---13
LOS AssertLOSAdBm-30--
LOS HysteresisLOSHdB0.5

Note:

  • Set low of RS0/RS1 pin and 0 of RS0/RS1 bit. Engine CDR lock at low bit rate.

Set high of RS0/RS1 pin and 0 of RS0/RS1 bit. Engine CDR lock at high bit rate.

  • Coupled into 50/125 MMF.
  • BER=5x10-5; PRBS 231-1 @25.78125Gbps.
  • BER=1x10-12; PRBS231-1@25.78125Gbps.


China 25Gbps 850nm Multimode Fiber Module , SR SFP Module MMF Up To 100m Dual LC Fiber supplier

25Gbps 850nm Multimode Fiber Module , SR SFP Module MMF Up To 100m Dual LC Fiber

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