DWDM 2.67G SFP Optical Transceiver

DWDM 2.67G SFP Optical Transceiver

Short Description:

Features ¨        Wavelength selectable to C-band ITU-T grid wavelengths ¨        Suitable for use in 100GHz channel spacing DWDM systems ¨        DWDM SFP MSA Compliant ¨        Up to 2.67Gb/s data rate ¨        OC48 Long Reach 80km ¨        Cold Start up Wavelength Compliance ¨        Low Power Dissipation <1.3W Maximum ¨        -5oC to 70oC Operating C…
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    ¨        Wavelength selectable to C-band ITU-T grid wavelengths

    ¨        Suitable for use in 100GHz channel spacing DWDM systems

    ¨        DWDM SFP MSA Compliant

    ¨        Up to 2.67Gb/s data rate

    ¨        OC48 Long Reach 80km

    ¨        Cold Start up Wavelength Compliance

    ¨        Low Power Dissipation <1.3W Maximum

    ¨        -5oC to 70oC Operating Case Temperature

    ¨        Diagnostic Performance Monitoring of module temperature, supply

    Voltages, laser bias current, transmit optical power, receive optical power,

    Laser temperature and TEC current

    ¨        Extended link budget with APD receiver technology

    ¨        RoHS compliant and lead free


    ¨        SFP Transceivers for DWDM SONET/ SDH

    ¨        Ethernet IEEE 802.3ae

    ¨        Fiber Channel


    Baudcom DWDM SFP Transceiver exhibits excellent wavelength stability, supporting operation at 100 GHz channel, cost effective module. It is designed for DWDM SONET/ SDH, Gigabit Ethernet and Fiber- Channel applications.

    The transceiver consists of two sections: The transmitter section incorporates a colded DFB laser. And the receiver section consists of a APD photodiode integrated with a TIA. All modules satisfy class I laser safety requirements. BAUDCOM DWDM SFP transceiver provides an enhanced monitoring interface, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage, laser temperature and TEC current.

    Absolute Maximum Ratings

    Supply Voltage 1Vcc3-0.54.0V
    Supply Voltage 2Vcc5-0.56.0V
    Storage TemperatureTst-4085oC
    Optical Input Received PowerPIN+4dBm


    Operating Conditions

    Supply Voltage 1Vcc33.133.33.47V
    Supply current 1Icc3750mA
    Supply Voltage 2Vcc54.7555.25V
    Supply current 2Icc5500mA
    Operating Case temperatureTca-570oC
    Module Power DissipationPm3.5W


    Transmitter Specifications – Optical

    Data Rate MultirateMra1552667Mbps
    Center Wavelength (SOL)△lclc -25lclc +25pm
    Center Wavelength (EOL)▲lclc -100lclc+100pm
    Optical Transmit PowerPo024dBm
    Optical Transmit Power (disabled)PTX_DISABLE-40dBm
    Extinction RatioER8.2dB
    Channel Spacing∆f100GHz
    Jitter GenerationTJP-P70mUI
    Spectral Width (-20dB)Dl200.10.3nm
    Side Mode Suppression RatioSMSR30dB
    Eye MaskCompliant with Bell core GR-253-CORE & ITU G.957 for SONET/SDH and with IEEE 802.3ae for Ethernet and Fibre Channel

    △Laser- Start of Life

    ▲Laser End of life


    Transmitter Specifications – Electrical

    Supply VoltageVccTX3.133.33.47V
    PECL/CML InputVtxDIFF5001600mV
    Input Rise/FallTR / TF160ps
    TX-Fault FaultVf2VccV
    TX-Fault NormalVnVeeVee+0.5V


    TX_DISABLE (negated)VDLVeeVee+0.8V

    APD Receiver Specifications – Optical

    Receiver Sensitivity


    Maximum Input PowerRX-overload-9dBm
    Input Operating Wavelengthλ15281564nm
    Loss of Signal Asserted-40dBm
    LOS De-Asserted-32dBm
    LOS Hysteresis0.5dB


    APD Receiver Specifications – Electrical

    Supply VoltageVccRX3.133.33.47V
    Differential Output SwingVout P-P3702000mV
    Rise/Fall TimeTr / Tf175ps
    Loss of Signal –AssertedVOH2VccV
    Loss of Signal –NegatedVOLVeeVee+0.5V

    Low Speed Electrical Signal Timings

    TX Disable Negate Timet-on20ms
    TX Disable Assert Timet-off20ms
    Time to initialize, including reset of TX_FAULTt_init


    Start-up Timet_startup90s
    TX_FAULT/INT Assert Timet_fault50ms
    TX_DISABLE to Resett_reset10ms
    LOS Assert Timet_los_on100us
    LOS Negate Timet_los_off100us
    Serial ID Clock Ratef_serial_clock100kHz

    C-band λc Wavelength Guide

    ITU Channel

    Product Code

    Frequency(THz)WavelengthITU Channel

    Product Code


    EEPROM Serial ID Memory Contents (A0h):

    Data AddressField Size


    ValueName of


    Description and Contents
    Base ID Fields
    010BhIdentifierType of Serial transceiver
    1124hExt. IdentifierExtended identifier of type serial transceiver
    2107hConnectorCode of optical connector type
    3-10800h,0Ch,44h,00h, 80h,10h,01h,00hTransceiverCode for electronic compatibility or optical compatibility
    11103hEncodingCode for serial encoding algorithm
    12119hBR,NominalNominal baud rate, unit of 100Mbps
    13-14278h(120km)Length (9μm) – kmLink length supported for 9/125μm fiber, units in km
    15146hMax TempMaximum operating case temperature in °C
    161FBhMin TempMinimum operating case temperature in °C
    1715FhMax Supply CurrentMaximum supply current in units of 4mA
    19141hChannel spacing  and numberChannel spacing compatibility and number and tuning of ITU channels supported
    20-3516Module dependentVendor NameSFP vendor name: “BAUDCOM” (ASCII)
    36102hReservedOptional DWDM features
    37-393Vendor OUISFP transceiver vendor IEEE company ID
    40-5516GPD-XXXX-XXVendor PNPart number provided by SFP transceiver

    vendor  (ASCII)

    56-594Module dependentVendor revRevision level for part number provided by vendor  (ASCII)
    60-612Module dependentwavelengthLaser wavelength (in nm)
    621Module dependentwavelengthLaser wavelength (fractional part in units of 10pm)
    631Module dependentCC_BASECheck sum of bytes 0 – 62
    Extended ID Fields
    64-6521AhOptionIndicates which optical SFP signals are implemented
    66100hBR, maxUpper bit rate margin, units of %
    67100hBR, minLower bit rate margin, units of %
    68-8316Module dependentVendor SNSerial number (ASCII)
    84-918Module dependentDate codeYear(2 bytes), Month(2 bytes), Day (2 bytes)
    92168hDiagnostic typeIndicates the type of diagnostics implemented in Monitoring Type the transceiver
    931F0hEnhanced optionIndicates which optional enhanced features Options are implemented
    94101hSFF-8472“01” Diagnostics(SFF-8472 Rev 9.3)
    951Module dependentCC_EXCheck sum of bytes 64 – 94
    Vendor Specific ID fields
    96-12732Vendor SpecificVendor Specific EEPROM (Vendor specific data; Specific read only)
    128-255128ReservedReserved for future use


     Serial ID Memory Contents: (A2H)

    Address# BytesNameDescription
    00-5556Alarm and Warning LevelsTemp/ Vcc/ Bias Current /TX Power/ RX Power/ LD Temp/ TEC Current, High/Low Alarm and Warning Levels
    56-9439Not used in DWDM devices. All Bytes Set to 0.
    951ChecksumLow order 8 bits of the sum of bytes 0-94
    96-1098A/D ValuesA/D binary values of the following enhanced diagnostics(Real-time):

    module temperature, supply voltage, laser bias current, transmit optical power, receive optical power, laser temperature and TEC current. These values are Internally calibrated absolute measurements. All diagnostic parameters implemented in these address locations have a corresponding high and low, alarm and warning thresholds assigned in address locations 00-55.

    1101Soft Control SignalsSoft control signals monitored over the 2-wire access port. can updated real-time status of the following control signals: TX_FAULT, TX_DISABLE, Rate Select, and LOS.
    112-1175Alarm/Warning FlagsOptional Alarm and Warning Flag and Mask Bits Corresponding to levels detailed in addresses 00-39 above.
    118-1192Warning MaskMasking bits corresponding to Warning bits of bytes 116 and 117 respectively
    120-1268Vendor SpecificVendor specific data
    1271Table SelectThe byte value defines the Table location for subsequent reads

    and writes to bytes locations 128-255

    128-247120User EEPROMUser writable EEPROM
    248-2558Vendor SpecificVendor specific control functions

    Digital Diagnostic Monitoring A/D Accuracy

    Temperature-40~100± 3
    Bias Current0~1205mA
    TX Power0~5± 2dBm
    RX Power-32~-8± 2dBm
    TEC Current-1200~1200± 65mA
    LD Temperature20~70± 0.25


    Pin Definitions

    Pin NumberNameFunctionRef.
    1VEETTransmitter Ground
    2TX_FAULT/INTTransmitter Fault1
    3TX_DISABLETransmitter Disable2
    4MOD-DEF(2)Module Definition 23
    5MOD-DEF(1)Module Definition 13
    6MOD-DEF(0)Module Definition 03
    7Tone inRate Select -Not Implemented
    8LOSLoss of Signal4
    9VEERReceiver Ground
    10VEERReceiver Ground
    11VEERReceiver Ground
    12RD-Inverted Received
    13RD+Received Data
    14VEERReceiver Ground
    15VCCRReceiver Power
    16VCCTTransmitter Power
    17VEETTransmitter Ground
    18TD+Transmit Data
    19TD-Inverted Transmit
    20VEETTransmitter Ground


    1. TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10K. resistor on the host board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.
    2. TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10 K. resistor.
    3. These are the module definition pins. They should be pulled up with a 4.7K – 10K. resistor on the host board. The pull-up voltage shall be VccT or VccR (see Section IV for further details).
    4. LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10K. resistor. Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

      Figure1.Electrical Pin-out Details

    Figure2.Power-on initialisation of DWDM SFP transceiver

    Figure3. Block Diagram of DWDM-SFP

    Figure4. Recommended Host Board Supply Filtering Network

     Figure5. Mechanical Dimensions

    Regulatory Compliance

    Baudcom SFP-DWDM transceiver is designed to be Class I Laser safety compliant and is certified per the following standards:

    Laser SafetyFDACDRH 21 CFR 1040 annd Laser Notice No. 501120288-000
    Product SafetyBSTEN 60825-1:2007

    EN 60825-2:2004

    EN 60950-1:2006

    Environmental protectionCCICRoHS Directive 2002/95/ECRET090616001
    EMCWALTEKEN 55022:2006+A1:2007

    EN 55024:1998+A1+A2:2003 –



    1. Small Form Factor Pluggable Module (SFP) Multi-Source Agreement (MSA), September 2000.
    2. IEEE802.3ae – 2002
    3. Telcordia GR-253-CORE
    4. “Diagnostic Monitoring Interface for Optical Transceivers”SFF-8472, Rev 9.3.

    Important Notice

    Performance figures, data and any illustrative material provided in this data sheet are typical and must be

    specifically confirmed in writing by BAUDCOM before they become applicable to any particular order or

    contract. In accordance with the BAUDCOM 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 BAUDCOM or others. Further details are available from any BAUDCOM sales representative.

    Order information
    Product ModelDescriptionsInquiry
    BXD-XX48-04CDWDM SFP, XX=17~61 (ITU Channel C-band), 2.67Gbps, 40km, -5oC ~ +70oC,Request Price
    XD-XX48-04DDWDM SFP, XX=17~61 (ITU Channel C-band), 2.67Gbps, 40km, -5oC ~ +70oC, Digital Diagnostic MonitoringRequest Price
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