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F i n i s a r
Preliminary Product Specification
DWDM SFP Transceiver
FWDM-1629-XX
PRODUCT FEATURES
• Up to 1.25 Gb/s bi-directional data
links
• Hot-pluggable SFP footprint
• Temperature-stabilized DWDM-
rated DFB laser transmitter
• 100GHz ITU Grid, C Band
• Low dispersion DFB laser suitable
• Metal enclosure for low EMI
• Extended operating range: -5°C to
APPLICATIONS
70°C case temperature
• Amplified DWDM networks
• Wavelength controlled within ±
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F i n i s a r PRODUCT SELECTION Product Code Frequency (THz) Center Wavelength (nm) FWDM -1629-17 191.7 1563.86 FWDM -1629-18 191.8 1563.05 FWDM -1629-19 191.9 1562.23 FWDM -1629-20 192.0 1561.42 FWDM -1629-21 192.1 1560.61 FWDM -1629-22 192.2 1559.79 FWDM -1629-23 192.3 1558.98 FWDM -1629-24 192.4 1558.17 FWDM -1629-25 192.5 1557.36 FWDM -1629-26 192.6 1556.55 FWDM -1629-27 192.7 1555.75 FWDM -1629-28 192.8 1554.94 FWDM -1629-29 192.9 1554.13 FWDM -1629-30 193.0 1553.33 FWDM
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r I. Pin Descriptions Pin Symbol Name/Description Ref. 1 V Transmitter Ground (Common with Receiver Ground) 1 EET 2 T Transmitter Fault FAULT 3 T Transmitter Disable. Laser output disabled on high or open 2 DIS 4 MOD_DEF(2) Module Definition 2. Data line for Serial ID 3 5 MOD_DEF(1) Module Definition 1. Clock line for Serial ID 3 6 MOD_DEF(0) Module Definition 0. Grounded within the module 3 7
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r Diagram of Host Board Connector Block Pin Numbers and Names II. Absolute Maximum Ratings Parameter Symbol Min Typ Max Unit Ref. Maximum Supply Voltage Vcc -0.5 4.7 V Storage Temperature T -10 85 °C S Case Operating Temperature T -5 70 °C OP III. Electrical Characteristics (T = -5 to 70 °C, V = 3.13 to 3.50 Volts) OP CC Parameter Symbol Min Typ Max Unit Ref. Supply Voltage
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r IV. Low Speed Signals Parameter Symbol Min Typ Max Units Notes/Conditions RX_LOS Assert Level -42 -36 dBm RX_LOS Deassert Level -34 -32 dBm RX_LOS Hysteresis 0.5 2 dB RX_LOS Assert Delay t_loss_on 100 From detection of loss of signal μsec to assertion of RX_LOS RX_LOS Negate Delay t_loss_off 100 μsec From detection of presence of signal to negation of RX_LOS TX_DISABLE Assert
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r V. Optical Parameters Parameter Symbol Min Typ Max Units Notes/Conditions TRANSMITTER CHARACTERISTICS Center Wavelength Spacing 100 GHz Corresponds to approximately 0.8 nm Spectral Width 0.2 0.3 nm Full width, -20dB from Δλ 20 max Transmitter Center Wavelength – X - 100 X X + 100 pm X = specified center λ c End of Life wavelength Transmitter Center Wavelength – Y - 25 Y Y + 25 pm Y = X
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r 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 90 seconds of powering the device. The device will transmit within the specified wavelength tolerance (X +/-
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r IX. Serial Communication Protocol All Finisar SFPs support the 2-wire serial communication protocol outlined in the SFP 1 2 MSA . These SFPs use an Atmel AT24C01A 128 byte E PROM with an address of A0h. 2 For details on interfacing with the EPROM, see the Atmel data sheet titled 2 4 “AT24C01A/02/04/08/16 2-Wire Serial CMOS E PROM.” Finisar’s DWDM SFPs also support extended diagnostic features as d
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r X. Mechanical Specifications Finisar’s Multi-rate DWDM Small Form Factor Pluggable (SFP) transceivers are compatible with the dimensions defined by the SFP Multi-Sourcing Agreement (MSA). Figure 1. DWDM SFP Outline Drawing © Finisar Corporation PRELIMINARY and Confidential Page 9 Rev C, February 2005
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FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r XI. Ordering Information Part Number Description FWDM-1629-XX DWDM SFP with APD Receiver XX = channel number (see product selection on page 2) XII. References 1. Small Form Factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 2000. Documentation is currently available from Finisar upon request. 2
