Finisar Marine Radio FWDM 1629 XX User Manual

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  
70°C case temperature  
APPLICATIONS  
·
·
·
Amplified DWDM networks  
Bandwidth aggregation  
·
·
·
Wavelength controlled within ± 0.1  
nm over life and temperature  
Extended link budget with APD  
receiver technology  
Ring topologies with OADM  
GbE and 1X FC compliant  
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) package. The FWDM-1629 is designed expressly for service  
providers deploying DWDM networking equipment in metropolitan Ethernet and SAN  
networks. The fiber link budget has been enhanced to 30dB with an Avalanche Photo  
Diode (APD) receiver.  
In addition, digital diagnostic features are implemented as described in Finisar  
Application Note AN-2030, “Digital Diagnostic Monitoring Interface for Optical  
Transceivers”2.  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
Page 1  
 
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
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
VEET  
TFAULT  
TDIS  
Transmitter Ground (Common with Receiver Ground)  
Transmitter Fault  
Transmitter Disable. Laser output disabled on high or open  
1
2
3
3
3
4
5
1
1
1
MOD_DEF(2) Module Definition 2. Data line for Serial ID  
MOD_DEF(1) Module Definition 1. Clock line for Serial ID  
MOD_DEF(0) Module Definition 0. Grounded within the module  
Rate Select  
LOS  
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  
VEER  
VEER  
VEER  
RD-  
RD+  
VEER  
VCCR  
VCCT  
VEET  
1
1
TD+  
19  
20  
TD-  
VEET  
Transmitter Inverted DATA in. See TD+  
Transmitter Ground (Common with Receiver Ground)  
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  
TD-  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
VeeT  
1
2
TXFault  
TD+  
3
TX Disable  
MOD-DEF(2)  
MOD-DEF(1)  
MOD-DEF(0)  
Rate Select  
LOS  
VeeT  
VccT  
VccR  
VeeR  
RD+  
RD-  
4
5
Towards  
Bezel  
Towards  
ASIC  
6
7
8
9
VeeR  
VeeR  
VeeR  
10  
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Rev C, February 2005  
PRELIMINARY and Confidential  
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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  
Maximum Supply Voltage  
Storage Temperature  
Symbol  
Vcc  
TS  
Min  
-0.5  
-10  
-5  
Typ  
Max  
4.7  
85  
Unit  
V
°C  
Ref.  
Case Operating Temperature  
TOP  
70  
°C  
III.  
Electrical Characteristics (TOP = -5 to 70 °C, VCC = 3.13 to 3.50 Volts)  
Parameter  
Symbol  
Vcc  
Icc  
Isurge  
Pmax  
Min  
3.13  
Typ  
3.30  
Max  
3.50  
305  
Icc+30  
1.0  
Unit  
V
mA  
mA  
W
Ref.  
Supply Voltage  
Supply Current  
Inrush Current  
Maximum Power  
TRANSMITTER  
Input differential impedance  
Single ended data input swing  
Transmit Disable Voltage  
Transmit Enable Voltage  
RECEIVER  
Rin  
Vin,pp  
VD  
100  
1
W
mV  
V
250  
Vcc – 1.3  
Vee  
1200  
Vcc  
Vee+ 0.8  
VEN  
V
2
Single ended data output swing  
Data output rise time  
Data output fall time  
LOS Fault  
Vout,pp  
175  
1000  
150  
150  
mV  
ps  
ps  
3
4
4
5
tr  
tf  
VLOSfault  
Vcc – 0.5  
VccHOST  
V
LOS Normal  
Power Supply Rejection  
VLOS norm  
PSR  
Vee  
100  
Vee+0.5  
V
mVpp  
5
6
Notes:  
1.  
2.  
3.  
4.  
5.  
6.  
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.  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
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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  
RX_LOS Deassert Level  
RX_LOS Hysteresis  
-42  
0.5  
-36  
-34  
2
dBm  
dBm  
dB  
-32  
100  
100  
10  
RX_LOS Assert Delay  
t_loss_on  
t_loss_off  
t_off  
From detection of loss of signal  
to assertion of RX_LOS  
msec  
RX_LOS Negate Delay  
From detection of presence of  
signal to negation of RX_LOS  
msec  
msec  
TX_DISABLE Assert Time  
Rising edge of TX_DISABLE to  
fall of output signal below 10%  
of nominal  
TX_DISABLE Negate Time  
t_on  
1000  
Falling edge of TX_DISABLE  
to rise of output signal above  
90% of nominal. Time  
msec  
indicated is under steady-state  
temperature conditions.  
TX_DISABLE Reset Time  
TX_FAULT Assert  
t_reset  
10  
TX_DISABLE HIGH before  
TX_DISABLE set LOW  
msec  
-0.2  
+0.2  
nm TX_Fault will assert before the  
device is outside of specified  
wavelength range  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
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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  
0.2  
X
GHz Corresponds to  
approximately 0.8 nm  
nm Full width, -20dB from  
max  
Spectral Width  
0.3  
Dl  
20  
Transmitter Center Wavelength –  
End of Life  
Transmitter Center Wavelength –  
Start of Life  
X - 100  
Y - 25  
30  
X + 100 pm X = specified center  
wavelength  
l c  
Y
Y + 25  
pm Y = X – 60pm  
l c  
Side Mode Suppression Ratio  
(SMSR)  
SMSR  
dB Modulated  
Optical Rise/Fall Time  
Transmitter Optical Output Power  
tr / tf  
Pout  
200  
+4  
ps  
Unfiltered, 80% -20%  
0
dBm Average power coupled  
into single mode fiber  
dB  
Transmitter Extinction Ratio  
Transmitter Eye Opening  
OMI  
9.0  
40  
%
IEEE 802.3 and Fibre  
Channel Eye Mask  
Margin  
Relative Intensity Noise  
RIN  
Pin  
-120 dB/Hz  
Dispersion Penalty at 180km  
RECEIVER CHARACTERISTICS  
Optical Input Wavelength  
3.0  
dB 3600ps/nm. See Note 3.  
1520  
1570  
100  
nm  
Receiver Jitter Generation  
ps  
Peak to peak, -25 dBm  
Rx power  
Optical Input Power  
(BER < 10 -9)  
Pin  
Pin  
-32  
-30  
-9  
-9  
dBm 1.25 Gb/s w/  
PRBS 2 7 -1  
Optical Input Power  
dBm 1.25 Gb/s w/  
PRBS 2 7 -1  
(BER < 10 -12  
)
Optical Input Power –  
Receiver Damage Threshold  
Receiver Reflectance  
6
dBm  
RRX  
-27  
dB  
OSNR Limit  
OSNRmin  
20  
dB  
OSNR Penalty  
2.0  
dB 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 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 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  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
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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 +/- 0.1nm) within 5 seconds of transmitter operation.  
VII. General Specifications  
Parameter  
Symbol  
Min  
1.06  
30  
1.25  
Max  
Units Notes/Conditions  
Data Rate  
BR  
1.25  
Gb/sec Fibre Channel, IEEE 802.3  
compatible  
Total System Budget  
32  
dB @ 1.25 Gb/s, BER <10-12 w/  
PRBS 2-7-1. See Note 1  
Note 1: Total system budget is defined as Pout – Pin – typical connector losses.  
VIII. Environmental Specifications  
Parameter  
Symbol Min  
Typ Max Units Notes/Conditions  
Operating Temp  
Top  
Tsto  
-5  
70  
85  
°C Case temperature measured on top-side of  
device  
Storage Temp  
Eye Safety  
-10  
°C Ambient temperature  
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.  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
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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  
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.”4  
Finisar’s DWDM SFPs also support extended diagnostic features as described in Finisar  
Applications Note AN-2030, “Digital Diagnostic Monitoring Interface for Optical  
Transceivers”2. A controller IC that monitors system parameters such as laser current,  
module temperature, transmitter power, and received power is accessible at address A2H.  
Parameter  
Symbol Min Typ  
Catmel  
Max  
Units Notes/Conditions  
I2C Clock for Atmel  
(A0H) and Controller  
IC (A2H)  
0
100,000  
Hz Bus can be driven blind.  
( E2PROM Description TBD pending MSA)  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
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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  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
Page 9  
 
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. “Application Note AN-2030: Digital Diagnostic Monitoring Interface for Optical  
Transceivers”, Finisar Corporation, April 2002.  
3. “AT24C01A/02/04/08/16 2-Wire Serial CMOS E2PROM”, Atmel Corporation.  
4. “Digital Diagnostic Monitoring Interface For Optical Transceivers Rev 6.1”,  
September, 2004. Documentation is currently available from Finisar upon request.  
For More Information:  
Finisar Corporation  
1308 Moffett Park Drive  
Sunnyvale, CA 94089-1133  
Tel. (408) 548-1000  
Fax (408) 541-6138  
Ó Finisar Corporation  
Rev C, February 2005  
PRELIMINARY and Confidential  
Page 10  
 

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