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Finisar
Product Specification WDM Multi-rate GBIC Transceiver with APD Receiver FTR-1621-XX
PRODUCT FEATURES * * * * * * * * * * All Metro data protocols from 125Mb/s to 2.7 Gb/s Extended link budget of 30dB with APD receiver technology Standard GBIC footprint Uncooled CWDM-rated DFB laser transmitter Class 1 laser safety Very low jitter Metal enclosure for lower EMI Extended voltage range Low power dissipation Extended operating temperature range: 0C to 60C APPLICATIONS * Metro Access Rings and Pointto-Point networking for SONET, Gigabit Ethernet and Fibre Channel
Finisar's FTR-1621-XX WDM GBIC transceivers comply with GBIC Specification Revision 5.41*. They are compatible with the single and double rate Fibre Channel FCPH, PH2, PH33* and SONET specifications for OC-12/OC-48 3**. The fiber link budget has been enhanced to 30dB with an Avalanche Photo Diode (APD) receiver. Additional real time diagnostic functions are also available via the 2-wire serial bus specified for Module Definition "4" GBICs. For details, see Finisar Application Note AN-20304. Even with all of these innovative features, the transceiver is still compliant with the mechanical and electrical interfaces defined in the GBIC interoperability standard.
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Product Specification - March 2002
Finisar
PRODUCT SELECTION
FTR-1621-XX
Wavelength 1470 nm 1490 nm 1510 nm 1530 nm I. Pin Out Pin Name
RX_LOS GND GND MOD_DEF(0) MOD_DEF(1) MOD_DEF(2) TX_DISABLE GND GND TX_FAULT GND -RX_DAT +RX_DAT GND VCC VCC GND +TX_DAT -TX_DAT GND
XX 47 49 51 53
Color Code Dot Gray Violet Blue Green
Wavelength 1550 nm 1570 nm 1590 nm 1610 nm
XX 55 57 59 61
Color Code Dot Yellow Orange Red Brown
Pin #
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequence
2 2 2 2 2 2 2 2 2 2 1 1 1 1 2 2 1 1 1 1
Table 1. GBIC to host connector pin assignment
"Sequence" indicates the order in which pins make contact when the device is hot plugged. Also see "Table 3: Signal Definitions" in the GBIC Specification Revision 5.4.1
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Product Specification - March 2002
Finisar
II.
Electrical Power Interface
Finisar FTR-1621-XX WDM GBIC modules have a power supply voltage range of 4.75V to 5.25V as described in Table 2. Electrical Power Interface
Parameter Supply Current Maximum Voltage Surge Current Input Voltage Power Supply Rejection Symbol Is Vmax Isurge Vcc PSR 4.75 100 5.00 Min Typ 280 Max 350 6 400 5.25 Units mA V mA V mV Referenced to GND See Note 1. Peak to Peak Notes/Conditions
Table 2. Electrical power interface Note 1: Receiver sensitivity is compliant with power supply sinusoidal of 20 Hz to 1.5Mhz up to specified value applied through the recommended power supply filtering network
III. Low Speed Signals RX_LOS, TX_DISABLE, and TX_FAULT are TTL signals as described in Table 3. MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA) are open drain CMOS signals (see section VI, "Serial Communication Protocol"). Both MOD_DEF(1) and MOD_DEF(2) must be pulled up to host_Vcc. Note - MOD_DEF(0) is grounded inside the GBIC to indicate the correct mode of operation. For more detailed information, see sections 5.3.1 - 5.3.8 in the GBIC Specification Rev. 5.41. Low Speed Signals, Electronic Characteristics
Parameter GBIC Output LOW GBIC Output HIGH GBIC Input LOW Symbol VOL Units Notes/Conditions V 4.7k to 10k pull-up to host_Vcc, measured at host side of connector VOH host_Vcc - host_Vcc + V 4.7k to 10k pull-up to host_Vcc, 0.5 0.3 measured at host side of connector VIL 0 0.8 V 4.7k to 10k pull-up to Vcc, measured at GBIC side of connector VIH 2 Vcc + 0.3 V 4.7k to 10k pull-up to Vcc, measured at GBIC side of connector Table 3. Low speed signals - electronic characteristics Min 0 Max 0.5
GBIC Input HIGH
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Product Specification - March 2002
Finisar
Low Speed Signal Parameters
Parameter RX_LOS Assert Level RX_LOS Deassert Level RX_LOS Hysteresis RX_LOS Assert Delay RX_LOS Negate Delay TX_DISABLE Assert Time TX_DISABLE Negate Time TX_DISABLE Reset Time Symbol Min --42 --t_loss_on t_loss_off t_off t_on t_reset 10 Typ -39 -37 1.0 Max -32 100 150 1000 1000 Units dBm dBm dB sec sec sec sec sec Notes/Conditions Measured on Finisar Eval Card Measured on Finisar Eval Card Measured on Finisar Eval Card From detection of loss of signal to assertion of RX_LOS From detection of presence of signal to negation of RX_LOS Rising edge ot TX_DISABLE to fall of output signal below 10% of nominal Falling edge of TX_DISABLE to rise of output signal above 90% of nominal TX_DISABLE HIGH before TX_DISABLE set LOW
Table 4. Low speed signal parameters
IV. High Speed Electrical Interface All high-speed PECL signals are AC coupled internally.
High Speed Electrical Interface
Parameter Data Input Voltage Data Output Voltage Duty Cycle PECL rise/fall Bit Error Rate Tx Input Impedance Rx Output Impedance Symbol Vin Vout -Tr,Tf BER Zin Zout Min 650 370 Typ Max 2000 2000 150 10-12 75 75 Units mV mV % psec ohm ohm Notes/Conditions PECL differential peak - peak PECL differential peak - peak 20%-80% Differential PRBS 223 - 1 test data pattern Singled ended impedance Singled ended impedance
50
Table 5. High speed electrical interface
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Product Specification - March 2002
Finisar
V.
Optical Parameters
Optical Parameters
Parameter Transmitter Center Wavelength Wavelength Temperature Dependence Side Mode Suppression Ratio (SMSR) Transmitter Optical Output Power Transmitter Extinction Ratio Transmitter Eye Opening Symbol c Min (x-4) Typ (x+1) 0.08 SMSR Pout OMI -30 +1.0 8.2 10 +3.0 +5 Max (x+6) Units Notes/Conditions nm Over temperature 0 to 60 C case temperature. See Note 1 below nm/C dB dBm Average power coupled into single mode fiber dB % OC-48 Eye Mask Margin dB ps
Optical Return Loss Transmitter Jitter Optical Input Wavelength Receiver Optical Input Power (BER < 10-9 w/ PRBS 223 - 1) Receiver Optical Input Power (BER < 10-12 w/ PRBS 223 - 1) Transmitter Reflectance Dispersion Penalty at 60km Dispersion Penalty at 100km
ORL
14 60
Parameter per GR-253 section 5.6 for OC-48
in Pin Pin
1450 -28.0 -27.0
-30.0 -28.0
1620 -7 -7
nm dBm @ 2.5Gb/s, measured dBm @ 2.5Gb/s, calculated dB dB dB
-27 2.0 3.0 Table 6. Optical parameters
Note 1: The Transmitter Center Wavelength "x" is as specified by the customer. The current available wavelengths are: 1470, 1490, 1510, 1530, 1550, 1570, 1590, and 1610 nm. Please see the "Product Selection" section on page 2. Note 2: Parameters are specified over temperature and at end of life unless otherwise noted. Note 3: All parameters are measured on a Finisar GBIC Evaluation Card unless otherwise noted. Note 4: The module shall meet all specifications while subjected to this reflection at its optical output.
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Product Specification - March 2002
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VI. General Specifications General
Units Notes/Conditions Gb/sec Fibre Channel, IEEE 802.3, SONET OC-3/12/48 Compatible Total System Budget -27 31 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 Table 7. General specifications Parameter Data Rate Symbol Min BR 0.125 Typ Max 2.7
VII. Environmental Specifications Note that the GBIC Specification requires an ambient temperature range of 0 to +50C. Finisar FTR-1621-XX GBICs have an extended range from 0C to +60C case temperature as specified in Table 8. Environment
Units Notes/Conditions C Case temperature C CDRH and IEC-825 Class 1 Laser Product 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. Table 8. Environmental specifications Parameter Operating Temp Storage Temp Eye Safety Symbol Top Tsto -Min 0 -10 Typ Max 60 85
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VIII. Serial Communication Protocol All Finisar optical GBICs are `Module Definition "4"' and support the 2 wire serial communication protocol outlined in the GBIC Specification 1. These GBICs use an Atmel AT24C01A 128 byte E2PROM (with an address of 1010000X). For details on interfacing with the E2PROM, see the Atmel data sheet titled "AT24C01A/02/04/08/16 2Wire Serial CMOS E2PROM."5 All Finisar optical GBICs also incorporate a microcontroller that monitors system parameters such as laser current, laser temperature, and, in the case of 13xx/14xx/15xx/16xx nm parts, transmitted power. For a complete description of how to use Finisar's extended features, see Finisar's Application Note AN-20304.
CAUTION: The microcontroller implements the Philips I2C protocol including clock stretching. For details, consult the Philips I2C-Bus Specification. Clock stretching allows a fast master to communicate with a slow slave device, and it requires that the host monitor the clock line every time it releases the line high. If a host does not implement clock stretching (drives the bus blind), it must run the clock below 8kHz, so that Finisar's microcontroller has time to process instructions. If clock stretching is supported, the clock may be run at up to 100kHz.
I2C Timing Requirements
Parameter Atmel I2C Clock Rate Finisar Microcontroller I2C Clock Rate Finisar Microcontroller I2C Clock Rate Symbol Catmel C1 Min 0 10 Typ Max 100,000 100,000 Units Notes/Conditions Hz Bus can be driven blind. Hz Host must support clock stretching. Microcontroller times out if C < 10Hz. Bus can be driven blind. Microcontroller times out if C < 10Hz.
C2
10
8000
Hz
Table 9. I2C timing requirements
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Finisar
IX. Mechanical Specifications Finisar WDM GBICs conform to the mechanical specifications outlined in the GBIC Specification Revision 5.4, Section 61. Insertion, Extraction, and Retention Forces
Parameter GBIC insertion GBIC extraction GBIC retention Symbol FI FE FR Min 0 0 130 Typ Max 20 15 N/A Units Newtons Newtons Newtons Notes/Conditions ~4.5 lbs ~3.3 lbs straight out ~29.3 lbs
Table 10. Insertion, extraction, and retention forces
1550 nm FTR-1621-xx
Figure 1. WDM GBIC outline drawing
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X. 1. 2. 3. 4. 5.
References "Gigabit Interface Converter (GBIC) Revision 5.4".(*) Sun Microsystems Computer Company et. al., August 16, 1999. http://playground.sun.com/pub/OEmod/ "Fibre Channel Physical and Signaling Interface (FC-PH, FC-PH2, FC-PH3)". American National Standard for Information Systems. Bellcore GR-253 and ITU-T G.957 Specifications (Transmitter Optical Output Power complies with SONET OC-48 LR requirements only).(**) "Application Note AN-2030: Digital Diagnostic Monitoring Interface for Optical Transceivers", Finisar Corporation, April 2002. "AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM". Atmel Corporation. www.Atmel.com
(*) Neither GBIC, FC-PH, nor IEEE802.3 specifies a 14xx/15xx/16xx nm single mode interface. The FTR-1621-XX complies with these specifications except for the following optical parameters: laser wavelength, receiver sensitivity, and transmit output power. See Table 6 for details. (**) The FTR-1621-XX optical interface is not fully SONET/SDH compliant. Please see Table 6. XI. 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
(c) Finisar Corporation 01-Mar-02 Rev.F
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