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Finisar
Preliminary Product Specification
RoHS Compliant DWDM SFP Transceiver FWLF-1631-XX
PRODUCT FEATURES * * * * * * * * * * Up to 2.7 Gb/s bi-directional data links Hot-pluggable SFP footprint Temperature-stabilized DWDMrated DFB laser transmitter 100GHz ITU Grid, C Band Low dispersion DFB laser RoHS compliant and lead free Extended operating range: -5C to 70C case temperature Wavelength controlled within 0.1 nm over life and temperature Extended link budget with APD receiver technology OC-48 LR-2 compliant APPLICATIONS * * * Amplified DWDM networks Bandwidth aggregation Ring topologies with fixed and reconfigurable OADMs
Finisar's Dense Wavelength-Division Multiplexing (DWDM) transceivers offer DWDM transport with dramatically lower power and cost in a standard pluggable Small Form Factor Pluggable (SFP) package1. The FWLF-1631 is designed expressly for service providers deploying DWDM networking equipment in metropolitan access and core networks2. The transceiver is RoHS compliant and lead free per Directive 2002/95/EC3, and Finisar Application Note AN-20384. Basic digital diagnostic features for the FWLF-1631 are implemented as described in Finisar Application Note AN-2030, "Digital Diagnostic Monitoring Interface for Optical Transceivers"5. Optional enhanced digital diagnostic features are available per the DWDM SFP MSA6.
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Finisar
PRODUCT SELECTION
Product Code FWLF -1631-17 FWLF -1631-18 FWLF -1631-19 FWLF -1631-20 FWLF -1631-21 FWLF -1631-22 FWLF -1631-23 FWLF -1631-24 FWLF -1631-25 FWLF -1631-26 FWLF -1631-27 FWLF -1631-28 FWLF -1631-29 FWLF -1631-30 FWLF -1631-31 FWLF -1631-32 FWLF -1631-33 FWLF -1631-34 FWLF -1631-35 FWLF -1631-36 FWLF -1631-37 FWLF -1631-38 FWLF -1631-39 FWLF -1631-40 FWLF -1631-41 FWLF -1631-42 FWLF -1631-43 FWLF -1631-44 FWLF -1631-45 FWLF -1631-46 FWLF -1631-47 FWLF -1631-48 FWLF -1631-49 FWLF -1631-50 FWLF -1631-51 FWLF -1631-52 FWLF -1631-53 FWLF -1631-54 FWLF -1631-55 FWLF -1631-56 FWLF -1631-57 FWLF -1631-58 FWLF -1631-59 FWLF -1631-60 FWLF -1631-61 Frequency (THz) 191.7 191.8 191.9 192.0 192.1 192.2 192.3 192.4 192.5 192.6 192.7 192.8 192.9 193.0 193.1 193.2 193.3 193.4 193.5 193.6 193.7 193.8 193.9 194.0 194.1 194.2 194.3 194.4 194.5 194.6 194.7 194.8 194.9 195.0 195.1 195.2 195.3 195.4 195.5 195.6 195.7 195.8 195.9 196.0 196.1 Center Wavelength (nm) 1563.86 1563.05 1562.23 1561.42 1560.61 1559.79 1558.98 1558.17 1557.36 1556.55 1555.75 1554.94 1554.13 1553.33 1552.52 1551.72 1550.92 1550.12 1549.32 1548.51 1547.72 1546.92 1546.12 1545.32 1544.53 1543.73 1542.94 1542.14 1541.35 1540.56 1539.77 1538.98 1538.19 1537.40 1536.61 1535.82 1535.04 1534.25 1533.47 1532.68 1531.90 1531.12 1530.33 1529.55 1528.77
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
Finisar
I.
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Pin Descriptions
Symbol VEET TFAULT TDIS MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) Rate Select LOS VEER VEER VEER RDRD+ VEER VCCR VCCT VEET TD+ TDVEET Name/Description Transmitter Ground (Common with Receiver Ground) Transmitter Fault Transmitter Disable. Laser output disabled on high or open Module Definition 2. Data line for Serial ID Module Definition 1. Clock line for Serial ID Module Definition 0. Grounded within the module No connection required Loss of Signal indication. Logic 0 indicates normal operation Receiver Ground (Common with Transmitter Ground) Receiver Ground (Common with Transmitter Ground) Receiver Ground (Common with Transmitter Ground) Receiver Inverted DATA out. AC Coupled Receiver Non-inverted DATA out. AC Coupled Receiver Ground (Common with Transmitter Ground) Receiver Power Supply Transmitter Power Supply Transmitter Ground (Common with Receiver Ground) Transmitter Non-Inverted DATA in. 100 ohm termination between TD+ and TD-, AC Coupled thereafter Transmitter Inverted DATA in. See TD+ Transmitter Ground (Common with Receiver Ground) Ref. 1 2 3 3 3 4 5 1 1 1
1
1
1
Notes: 1. Circuit ground is internally isolated from chassis ground. 2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V. 3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 5.5V. MOD_DEF(0) pulls line low to indicate module is plugged in. 4. Finisar 2x receiver achieves simultaneous 1x and 2x operation without active control. 5. LOS is open collector output. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 5.5V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
VeeT 1 2 3 4 VeeT TDTXFault TD+ TX Disable VeeT MOD-DEF(2) VccT
20 19 18 17 16 15 14 13 12 11
Towards Bezel
5 6 7 8 9 10
MOD-DEF(1) VccR MOD-DEF(0) VeeR Rate Select RD+ LOS RDVeeR VeeR VeeR
Towards ASIC
Diagram of Host Board Connector Block Pin Numbers and Names
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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II.
Absolute Maximum Ratings
Symbol Vcc TS TOP Min -0.5 -10 -5 Typ Max 4.7 85 70 Unit V C C Ref.
Parameter Maximum Supply Voltage Storage Temperature Case Operating Temperature
III.
Electrical Characteristics (TOP = -5 to 70 C, VCC = 3.13 to 3.50 Volts)
Symbol Vcc Icc Isurge Pmax Rin Vin,pp VD VEN Vout,pp tr tf VLOS fault VLOS norm PSR Min 3.13 Typ 3.30 Max 3.50 380 Icc+30 1.25 Unit V mA mA W mV V V mV ps ps V V mVpp Ref.
Parameter Supply Voltage Supply Current Inrush Current Maximum Power TRANSMITTER Input differential impedance Single ended data input swing Transmit Disable Voltage Transmit Enable Voltage RECEIVER Single ended data output swing Data output rise time Data output fall time LOS Fault LOS Normal Power Supply Rejection Notes: 1. 2. 3. 4. 5. 6.
100 250 Vcc - 1.3 Vee 175 1200 Vcc Vee+ 0.8 1000 150 150 VccHOST Vee+0.5
1
2 3 4 4 5 5 6
Vcc - 0.5 Vee 100
Connected directly to TX data input pins. AC coupled thereafter. Or open circuit. Into 100 ohms differential termination. 20 - 80 % Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the recommended power supply filtering network.
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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IV.
Low Speed Signals
Symbol Min -42 0.5 t_loss_on t_loss_off t_off Typ -36 -34 2 Max Units Notes/Conditions dBm dBm dB sec From detection of loss of signal to assertion of RX_LOS sec From detection of presence of signal to negation of RX_LOS sec Rising edge of TX_DISABLE to fall of output signal below 10% of nominal Falling edge of TX_DISABLE sec to rise of output signal above 90% of nominal. Time indicated is under steady-state temperature conditions. sec TX_DISABLE HIGH before TX_DISABLE set LOW nm TX_Fault will assert before the device is outside of specified wavelength range
Parameter RX_LOS Assert Level RX_LOS Deassert Level RX_LOS Hysteresis RX_LOS Assert Delay RX_LOS Negate Delay TX_DISABLE Assert Time
-32 100 100 10
TX_DISABLE Negate Time
t_on
1000
TX_DISABLE Reset Time TX_FAULT Assert
t_reset
10 -0.2 +0.2
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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V.
Parameter
Optical Parameters
Symbol Min Typ Max Units Notes/Conditions
TRANSMITTER CHARACTERISTICS Center Wavelength Spacing Spectral Width Transmitter Center Wavelength - End of Life Transmitter Center Wavelength - Start of Life Side Mode Suppression Ratio (SMSR) Optical Rise/Fall Time Transmitter Optical Output Power Transmitter Extinction Ratio Transmitter Eye Opening Transmitter Jitter (peak to peak) Tolerable Back Reflection Relative Intensity Noise Dispersion Power Penalty at 120km RECEIVER CHARACTERISTICS Optical Input Wavelength Receiver Jitter Generation Optical Input Power (BER < 10 -9) Optical Input Power (BER < 10 -12) Optical Input Power - Receiver Damage Threshold Receiver Reflectance OSNR Limit OSNR Power Penalty Pin Pin -30 -28 20 c c SMSR tr / tf Pout OMI X - 100 Y - 25 30
100 0.2 X Y 0.3 X + 100 Y + 25
GHz nm pm pm dB 160 +4
Corresponds to approximately 0.8 nm Full width, -20dB from max X = specified ITU center wavelength Y = specified BOL center wavelength Modulated
0 8.2 10
75 BR RIN -14 -120 3.0 1520 1570 75 -9 -9 6 RRX OSNRmin -27 20 3.0
ps Unfiltered, 80% -20% dBm Average power coupled into single mode fiber dB % OC-48 eye mask margin mUI Parameter per GR-2538 section 5.6 for OC-48 B dB See note 5 dB/Hz dB 2400ps/nm. See Note 3. nm Parameters per GR-2538 section 5.6 for OC-48 B dBm 2.5 Gb/s w/ PRBS 2 23 -1 dBm 2.5 Gb/s w/ PRBS 2 23 -1 dBm mUI dB dB dB
Pin
For OSNR = OSNRmin. See Note 4
Notes: 1. Parameters are specified over temperature and voltage, at end of life unless otherwise noted. 2. All parameters are measured on a Finisar SFP Evaluation Card unless otherwise noted. 3. Dispersion power penalty is measured in loop back with OSNR set at Rx < 28 dB. Data rate and pattern used same as specified for Optical Input Power. Dispersion penalty is measured at BER = 10-10 4. OSNR power penalty is measured in loop back. Data rate and pattern used is same as specified for Optical Input Power. OSNR penalty is measured at BER = 10-10 5. Tolerable back reflection is the max back reflection level at which the power penalty will be <1dB. Power penalty is measured over fiber (2400ps/nm) at BER = 10-10 under high OSNR (>28dB) conditions.
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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VI. Wavelength Stabilization The laser transmitter will not be turned on until its temperature is adjusted to ensure operation within the specified channel (X +/- 0.4nm). This temperature stabilization time is dependent on the ambient temperature conditions, but will typically occur within 30 seconds of powering the device. The device will transmit within the specified wavelength tolerance (X +/- 0.1nm) within 5 seconds of transmitter operation.
VII. General Specifications
Parameter Data Rate Total System Budget Symbol BR Min 0.155 28 Typ Max 2.7 Units Notes/Conditions
Gb/sec SONET OC-3/12/48 compatible 30 dB @ 2.5 Gb/s, BER <10-12 w/ PRBS 2-23-1. See Note 1 Note 1: Total system budget is defined as Pout - Pin - typical connector losses.
VIII. Environmental Specifications
Parameter Operating Temp Symbol Top Min -5 Typ Max 70 Units Notes/Conditions C
Case temperature measured on top-side of device Storage Temp Tsto -10 85 C Ambient temperature Eye Safety CDRH and IEC-825 Class 1 Laser Product. See Note 1 Note 1: Complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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IX. Serial Communication Protocol All Finisar SFPs support the 2-wire serial communication protocol outlined in the SFP MSA1. These SFPs use an Atmel AT24C01A 128 byte E2PROM with an address of A0h. For details on interfacing with the E2PROM, see the Atmel data sheet titled "AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM."7 Finisar's DWDM SFPs also support extended diagnostic features as described in Finisar Applications Note AN-2030, "Digital Diagnostic Monitoring Interface for Optical Transceivers"5. (Additional information is available in document titled: "Digital Diagnostic Monitoring Interface for Optical Transceivers Rev 9.3"8). A controller IC that monitors system parameters such as laser current, module temperature, transmitter power, and received power is accessible at address A2H.
Parameter I2C Clock for Atmel (A0H) and Controller IC (A2H)
Symbol Catmel
Min 0
Typ
Max 100,000
Units Notes/Conditions Hz Bus can be driven blind.
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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Serial ID Data Fields - Address A0
Data Address 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20-35 36 37 38 39 40-55 56-59 60-61 62 63 Value Name of Field BASE ID FIELDS 0Bh 24h 07h 00h 0Ch 00h 02h 80h 10h 01h 05h 05h 19h 00h 78h 46h FBh 5Fh 00h 41h Identifier Ext. Identifier Connector Transceiver Type of serial transceiver Extended identifier of type of serial transceiver Code for connector type Code for electronic compatibility or optical compatibility Description of Field
Code for serial encoding algorithm Nominal bit rate, units of 100 MBits/sec Link length supported for 9/125 m fiber, units of km Max Temp Maximum operating case temperature in C Min Temp Minimum operating case temperature in C Max Supply Current Maximum supply current in units of 4 mA Reserved Channel spacing and Channel spacing compatibility and number of Tuning ITU channels supported FINISAR CORP. Vendor name SFP vendor name (ASCII, padded with spaces) 02h Opt. features Implemented optional DWDM features 00h Vendor OUI Finisar IEEE company ID 90h 65h FWLF-1631-XX Vendor PN Part number provided by Finisar (ASCII, padded with spaces) 41h Vendor rev Revision level for part number provided by Finisar (ASCII, padded with spaces) Varies based on Wavelength Laser wavelength (in nm) channel number Wavelength Laser wavelength (fractional part in units of 10pm). CC_BASE Check code for Base ID Fields (addresses 0 to 62)
Encoding BR, Nominal Length(9m) - km
(Continued...)
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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Serial ID Data Fields - Address A0 (Continued)
Data Address 64 65 66 67 68-83 84-91 92 93 94 95 Value Name of Field EXTENDED ID FIELDS 00h 1Ah 00h 00h e.g., A000000 e.g., 990225 68h F0h 01h Options BR, max BR, min Vendor SN Date code Diagnostic Monitoring Type Enhanced Options SFF-8472 Compliance CC_EXT Indicates which optional transceiver signals are implemented Upper bit rate margin, units of % Lower bit rate margin, units of % Serial number provided by Finisar (ASCII, padded with spaces) Finisar's manufacturing date code (ASCII) Indicates which type of diagnostic monitoring is implemented (if any) in the transceiver Indicates which optional enhanced features are implemented (if any) in the transceiver Indicates which revision of SFF-8472 the transceiver complies with Check code for the Extended ID Fields (addresses 64 to 94) Vendor Specific EEPROM Reserved for future use. Description of Field
VENDOR SPECIFIC ID FIELDS 96-127 128-255 00h 00h Vendor Specific Reserved
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
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X.
Mechanical Specifications
Finisar's Multi-rate DWDM Small Form Factor Pluggable (SFP) transceivers are compatible with the dimensions defined by the DWDM SFP Multi-Sourcing Agreement (MSA)6.
Figure 1. DWDM SFP Outline Drawing
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FWLF-1631-XX DWDM SFP Preliminary Product Specification - August 2005
Finisar
XI. Ordering Information Part Number FWLF-1631-XX Description DWDM SFP with APD Receiver XX = channel number (see product selection on page 2)
XII. References/Endnotes 1. Small Form Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 2000. Documentation is currently available from Finisar upon request. 2. "SONET Transport Systems: Common Generic Criteria", Telcordia Technologies, GR-253-CORE, Issue 3, Sept 2000. 3. Directive 2002/95/EC of the European Council Parliament and of the Council, "on the restriction of the use of certain hazardous substances in electrical and electronic equipment". January 27, 2003. 4. "Application Note AN-2038: Finisar Implementation Of RoHS Compliant Transceivers", Finisar Corporation, January 21, 2005. 5. "Application Note AN-2030: Digital Diagnostic Monitoring Interface for Optical Transceivers", Finisar Corporation, April 2002.
6. "Specifications for DWDM SFP Transceiver Draft 0.9", June 21 2005. Documentation is available from Finisar upon request. 7. "AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM", Atmel Corporation. www.Atmel.com 8. "Digital Diagnostic Monitoring Interface For Optical Transceivers Rev 9.3". SFF Document No. SFF-8472.
For More Information: Finisar Corporation 1308 Moffett Park Drive Sunnyvale, CA 94089-1133 Tel. (408) 548-1000 Fax (408) 541-6138 sales@finisar.com www.finisar.com
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