DWDM 2.67G SFP Optical Transceiver - Baudcom ...

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 i…
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    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 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

    Applications

    ¨        SFP Transceivers for DWDM SONET/ SDH

    ¨        Ethernet IEEE 802.3ae

    ¨        Fiber Channel

    Description

    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

    Parameter Symbol Min Max Unit
    Supply Voltage 1 Vcc3 -0.5 4.0 V
    Supply Voltage 2 Vcc5 -0.5 6.0 V
    Storage Temperature Tst -40 85 oC
    Optical Input Received Power PIN – +4 dBm

     

    Operating Conditions

    Parameter Symbol Min Typical Max Unit
    Supply Voltage 1 Vcc3 3.13 3.3 3.47 V
    Supply current 1 Icc3 750 mA
    Supply Voltage 2 Vcc5 4.75 5 5.25 V
    Supply current 2 Icc5 500 mA
    Operating Case temperature Tca -5 – 70 oC
    Module Power Dissipation Pm – 3.5 W

     

    Transmitter Specifications – Optical

    Parameter Symbol Min Typical Max Unit
    Data Rate Multirate Mra 155 2667 Mbps
    Center Wavelength (SOL)△ lc lc -25 lc lc +25 pm
    Center Wavelength (EOL)▲ lc lc -100 lc lc+100 pm
    Optical Transmit Power Po 0 2 4 dBm
    Optical Transmit Power (disabled) PTX_DISABLE – – -40 dBm
    Extinction Ratio ER 8.2 – dB
    Channel Spacing ∆f – 100 – GHz
    Jitter Generation TJP-P – – 70 mUI
    Spectral Width (-20dB) Dl20 – 0.1 0.3 nm
    Side Mode Suppression Ratio SMSR 30 – – dB
    Eye Mask Compliant 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

    Parameter Symbol Min Typical Max Unit
    Supply Voltage VccTX 3.13 3.3 3.47 V
    PECL/CML Input VtxDIFF 500 – 1600 mV
    Input Rise/Fall TR / TF – – 160 ps
    TX-Fault Fault Vf 2 – Vcc V
    TX-Fault Normal Vn Vee – Vee+0.5 V
    TX_DISABLE

    (asserted)

    		 VDH 2 – Vcc V
    TX_DISABLE (negated) VDL Vee – Vee+0.8 V

    APD Receiver Specifications – Optical

    Parameter Symbol Min Typical Max Unit
    Receiver Sensitivity

    (OC48)

    		 – -30 -28 dBm
    Maximum Input Power RX-overload -9 – – dBm
    Input Operating Wavelength λ 1528 – 1564 nm
    Reflectance Rrx – – -27 dB
    Loss of Signal Asserted -40 – – dBm
    LOS De-Asserted – – -32 dBm
    LOS Hysteresis 0.5 – – dB

     

    APD Receiver Specifications – Electrical

    Parameter Symbol Min Typical Max Unit
    Supply Voltage VccRX 3.13 3.3 3.47 V
    Differential Output Swing Vout P-P 370 – 2000 mV
    Rise/Fall Time Tr / Tf – – 175 ps
    Loss of Signal –Asserted VOH 2 – Vcc V
    Loss of Signal –Negated VOL Vee – Vee+0.5 V

    Low Speed Electrical Signal Timings

    Parameter Symbol Min Typical Max Unit
    TX Disable Negate Time t-on – – 20 ms
    TX Disable Assert Time t-off – – 20 ms
    Time to initialize, including reset of TX_FAULT t_init

     

    		 – – 300 ms
    Start-up Time t_startup – – 90 s
    TX_FAULT/INT Assert Time t_fault – – 50 ms
    TX_DISABLE to Reset t_reset 10 – – ms
    LOS Assert Time t_los_on – – 100 us
    LOS Negate Time t_los_off – – 100 us
    Serial ID Clock Rate f_serial_clock – – 100 kHz

    C-band λc Wavelength Guide

    ITU Channel

    Product Code

    		 Frequency(THz) Wavelength ITU Channel

    Product Code

    		 Frequency(THz) Wavelength
    17 191.7 1563.86 40 194.0 1545.32
    18 191.8 1563.05 41 194.1 1544.53
    19 191.9 1562.23 42 194.2 1543.73
    20 192.0 1561.42 43 194.3 1542.94
    21 192.1 1560.61 44 194.4 1542.14
    22 192.2 1559.79 45 194.5 1541.35
    23 192.3 1558.98 46 194.6 1540.56
    24 192.4 1558.17 47 194.7 1539.77
    25 192.5 1557.36 48 194.8 1538.98
    26 192.6 1556.55 49 194.9 1538.19
    27 192.7 1555.75 50 195.0 1537.40
    28 192.8 1554.94 51 195.1 1536.61
    29 192.9 1554.13 52 195.2 1535.82
    30 193.0 1553.33 53 195.3 1535.04
    31 193.1 1552.52 54 195.4 1534.25
    32 193.2 1551.72 55 195.5 1533.47
    33 193.3 1550.92 56 195.6 1532.68
    34 193.4 1550.12 57 195.7 1531.90
    35 193.5 1549.32 58 195.8 1531.12
    36 193.6 1548.51 59 195.9 1530.33
    37 193.7 1547.72 60 196.0 1529.55
    38 193.8 1546.92 61 196.1 1528.77
    39 193.9 1546.12

    EEPROM Serial ID Memory Contents (A0h):

    Data Address Field Size

    (Bytes)

    		 Value Name of

    Field

    		 Description and Contents
    Base ID Fields
    0 1 0Bh Identifier Type of Serial transceiver
    1 1 24h Ext. Identifier Extended identifier of type serial transceiver
    2 1 07h Connector Code of optical connector type
    3-10 8 00h,0Ch,44h,00h, 80h,10h,01h,00h Transceiver Code for electronic compatibility or optical compatibility
    11 1 03h Encoding Code for serial encoding algorithm
    12 1 19h BR,Nominal Nominal baud rate, unit of 100Mbps
    13-14 2 78h(120km) Length (9μm) – km Link length supported for 9/125μm fiber, units in km
    15 1 46h Max Temp Maximum operating case temperature in °C
    16 1 FBh Min Temp Minimum operating case temperature in °C
    17 1 5Fh Max Supply Current Maximum supply current in units of 4mA
    18 1 00h Reserved –
    19 1 41h Channel spacing  and number Channel spacing compatibility and number and tuning of ITU channels supported
    20-35 16 Module dependent Vendor Name SFP vendor name: “BAUDCOM” (ASCII)
    36 1 02h Reserved Optional DWDM features
    37-39 3 – Vendor OUI SFP transceiver vendor IEEE company ID
    40-55 16 GPD-XXXX-XX Vendor PN Part number provided by SFP transceiver

    vendor  (ASCII)
    56-59 4 Module dependent Vendor rev Revision level for part number provided by vendor  (ASCII)
    60-61 2 Module dependent wavelength Laser wavelength (in nm)
    62 1 Module dependent wavelength Laser wavelength (fractional part in units of 10pm)
    63 1 Module dependent CC_BASE Check sum of bytes 0 – 62
    Extended ID Fields
    64-65 2 1Ah Option Indicates which optical SFP signals are implemented
    66 1 00h BR, max Upper bit rate margin, units of %
    67 1 00h BR, min Lower bit rate margin, units of %
    68-83 16 Module dependent Vendor SN Serial number (ASCII)
    84-91 8 Module dependent Date code Year(2 bytes), Month(2 bytes), Day (2 bytes)
    92 1 68h Diagnostic type Indicates the type of diagnostics implemented in Monitoring Type the transceiver
    93 1 F0h Enhanced option Indicates which optional enhanced features Options are implemented
    94 1 01h SFF-8472 “01” Diagnostics(SFF-8472 Rev 9.3)
    95 1 Module dependent CC_EX Check sum of bytes 64 – 94
    Vendor Specific ID fields
    96-127 32 – Vendor Specific Vendor Specific EEPROM (Vendor specific data; Specific read only)
    128-255 128 – Reserved Reserved for future use

     

     Serial ID Memory Contents: (A2H)

    Address # Bytes Name Description
    00-55 56 Alarm and Warning Levels Temp/ Vcc/ Bias Current /TX Power/ RX Power/ LD Temp/ TEC Current, High/Low Alarm and Warning Levels
    56-94 39 Not used in DWDM devices. All Bytes Set to 0.
    95 1 Checksum Low order 8 bits of the sum of bytes 0-94
    96-109 8 A/D Values A/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.
    110 1 Soft Control Signals Soft 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.
    111 1 Reserved Reserved
    112-117 5 Alarm/Warning Flags Optional Alarm and Warning Flag and Mask Bits Corresponding to levels detailed in addresses 00-39 above.
    118-119 2 Warning Mask Masking bits corresponding to Warning bits of bytes 116 and 117 respectively
    120-126 8 Vendor Specific Vendor specific data
    127 1 Table Select The byte value defines the Table location for subsequent reads

    and writes to bytes locations 128-255
    128-247 120 User EEPROM User writable EEPROM
    248-255 8 Vendor Specific Vendor specific control functions

    Digital Diagnostic Monitoring A/D Accuracy

    Parameter Range Accuracy Unit
    Temperature -40~100 ± 3 ℃
    Voltage 0~Vcc 0.1 V
    Bias Current 0~120 5 mA
    TX Power 0~5 ± 2 dBm
    RX Power -32~-8 ± 2 dBm
    TEC Current -1200~1200 ± 65 mA
    LD Temperature 20~70 ± 0.25 ℃

     

    Pin Definitions

    Pin Number Name Function Ref.
    1 VEET Transmitter Ground
    2 TX_FAULT/INT Transmitter Fault 1
    3 TX_DISABLE Transmitter Disable 2
    4 MOD-DEF(2) Module Definition 2 3
    5 MOD-DEF(1) Module Definition 1 3
    6 MOD-DEF(0) Module Definition 0 3
    7 Tone in Rate Select -Not Implemented
    8 LOS Loss of Signal 4
    9 VEER Receiver Ground
    10 VEER Receiver Ground
    11 VEER Receiver Ground
    12 RD- Inverted Received
    13 RD+ Received Data
    14 VEER Receiver Ground
    15 VCCR Receiver Power
    16 VCCT Transmitter Power
    17 VEET Transmitter Ground
    18 TD+ Transmit Data
    19 TD- Inverted Transmit
    20 VEET Transmitter Ground

    Notes：

    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 Safety FDA CDRH 21 CFR 1040 annd Laser Notice No. 50 1120288-000
    Product Safety BST EN 60825-1：2007

    EN 60825-2：2004

    EN 60950-1：2006

    		 BST09082331721C-2
    Environmental protection CCIC RoHS Directive 2002/95/EC RET090616001
    EMC WALTEK EN 55022:2006+A1:2007

    EN 55024:1998+A1+A2:2003 –

    		 WT10093768-D-E-E

    References

    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.

    Specification
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    Product Model Descriptions Inquiry
    BXD-XX48-04C DWDM SFP, XX=17~61 (ITU Channel C-band), 2.67Gbps, 40km, -5oC ~ +70oC, Request Price
    XD-XX48-04D DWDM SFP, XX=17~61 (ITU Channel C-band), 2.67Gbps, 40km, -5oC ~ +70oC, Digital Diagnostic Monitoring Request Price
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