Finisar
Product Specification
125/155Mbps Optical Supervisory Channel
RoHS Compliant Pluggable SFP Transceiver
FWLF1523P1x51
PRODUCT FEATURES
•
125/155 Mbps bi-directional data links
•
35dB Link Budget over the
commercial temperature range
•
1511nm uncooled DFB laser
•
Two versions for commercial and
extended operating temperature ranges
•
Hot-pluggable SFP footprint
•
Built-in digital diagnostic functions
•
Duplex LC connector
•
Very low jitter
•
Metal enclosure, for lower EMI
•
Single 3.3V power supply
•
Low power dissipation <1W typical,
over the extended temperature range
APPLICATIONS
•
Optical Supervisory Channel for
SONET OC-3 and Fast Ethernet
Finisar’s FWLF1523P1x51 Small Form Factor Pluggable (SFP) transceivers provide a
reliable solution for 1511nm, point-to-point, 155Mb/s Optical Supervisory Channel
(OSC) applications, outside the band of the transmitted signal. They are compatible with
the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA)
1
, as well as with
SONET and SDH standards
2
at OC-3 LR-2/STM L-1.2 and Fast Ethernet applications.
Digital diagnostics functions are available via the 2-wire serial bus specified in the SFP
MSA. They are RoHS compliant and lead-free per Directive 2002/95/EC
3
and Finisar
Application Note AN-2038.
PRODUCT SELECTION
Product Part Number
FWLF1523P1x51
Blue Color Bail Clasp
x
C
N
Temperature Range
Commercial (0/70 ºC)
Extended (-20/85 ºC)
1511nm: CWDM channel 51
©
Finisar Corporation May 2011, Rev. A
Page 1
FWLF1523P1x51 Pluggable SFP Product Specifications
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
V
EET
T
FAULT
T
DIS
MOD_DEF(2)
MOD_DEF(1)
MOD_DEF(0)
Rate Select
LOS
V
EER
V
EER
V
EER
RD-
RD+
V
EER
V
CCR
V
CCT
V
EET
TD+
TD-
V
EET
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. AC Coupled.
Transmitter Inverted DATA in. AC Coupled.
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 T
DIS
>2.0V or open, enabled on T
DIS
<0.8V.
3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.5V.
MOD_DEF(0) pulls line low to indicate module is plugged in.
4. Finisar FWLF1523P1x51 transceivers operate 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 3.5V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
VeeT
1
2
3
4
VeeT
TD-
TXFault
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
RD-
VeeR
VeeR
VeeR
Towards
ASIC
Pinout of Connector Block on Host Board
©
Finisar Corporation May 2011, Rev. A
Page 2
FWLF1523P1x51 Pluggable SFP Product Specifications
Finisar
II.
Absolute Maximum Ratings
Symbol
Vcc
T
S
T
OP
RH
Min
-0.5
-40
0
-20
0
Typ
Max
4.5
+85
+70
+85
85
Unit
V
°C
°C
°C
%
Ref.
Parameter
Maximum Supply Voltage
Storage Temperature
Comm. Temp.
Case Operating
Extended Temp.
Relative Humidity
Notes:
1. Non condensing.
1
III.
Electrical Characteristics
Symbol
Vcc
Icc
P
cons
R
in
Vin,pp
V
D
V
EN
Min
3.135
Typ
Max
3.465
300
1.0
Unit
V
mA
W
Ω
mV
V
V
μs
mV
ps
V
V
mVpp
Ref.
Parameter
Supply Voltage
Supply Current
Power Consumption
Transmitter
Input differential impedance
Single ended data input swing
Transmit Disable Voltage
Transmit Enable Voltage
Transmit Disable Assert Time
Receiver
Single ended data output swing
Data rise/fall time
LOS Fault
LOS Normal
Power Supply Rejection
100
250
Vcc – 1.3
Vee
1200
Vcc
Vee+ 0.8
10
400
400
800
1300
Vcc
HOST
Vee+0.5
1
2
Vout,pp
t
r
V
LOS fault
V
LOS norm
PSR
300
Vcc – 0.5
Vee
100
3
4
5
6
6
Notes:
1. AC coupled.
2. Or open circuit.
3. Into 100 ohm differential termination.
4. 20 – 80 %
5. Loss Of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
6. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5
MHz up to specified value applied through the power supply filtering network shown on page 23 of the
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA), September 14, 2000.
Valid on receive side for input powers within receive sensitivity.
©
Finisar Corporation May 2011, Rev. A
Page 3
FWLF1523P1x51 Pluggable SFP Product Specifications
Finisar
IV.
Optical Characteristics (Under Operating Conditions)
Symbol
P
OUT
P
OUT
λ
σ
ER
t
r
/ t
f
RIN
J
TX
p-p
J
TX
rms
Min
+1
-1
1504.5
10
800
-120
0.07
0.007
20%
R
SENS1
P
MAX
λ
C
LOS
D
LOS
A
Rx
R
-34
-10
1260
-48
0.5
-25
-10
1600
-34.5
dBm
dBm
nm
dBm
dBm
dB
dB
5
Typ
Max
+5
+3
1517.5
1
Unit
dBm
dBm
nm
nm
dB
ps
dB/Hz
UI
UI
Ref.
2
2
Parameter
1
Transmitter
Output Opt. Pwr (comm. temp.)
Output Opt. Pwr (extended temp.)
Optical Wavelength
Spectral Width (-20 dB)
Optical Extinction Ratio
Optical Rise/Fall Time
Relative Intensity Noise
Generated Jitter (peak to peak)
Generated Jitter (rms)
Mask Margin
Receiver
Average Rx Sensitivity
Maximum Input Power
Optical Center Wavelength
LOS De-Assert
LOS Assert
LOS Hysteresis
Max Receiver Reflectance
1511
3
4
5
Notes:
1. All values are specified relative to an optical system design objective of a BER not worse than 1E-12
at 155Mb/s.
2. 9/125 SMF, Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.
3. Unfiltered, 20-80%
4. Jitter measurements taken using Agilent OMNIBERT 718 in accordance with GR-253.
5. With worst-case extinction ratio. Measured with a PRBS 2
23
-1 test pattern.
©
Finisar Corporation May 2011, Rev. A
Page 4
FWLF1523P1x51 Pluggable SFP Product Specifications
Finisar
V.
General Specifications
Parameter
Symbol
BR
BER
L
MAX4
Min
125
Typ
Max
155
10
-12
Units
Mb/s
km
Ref.
1,2
3
4
Data Rate
Bit Error Rate
Max. Supported Link Length on
9/125μm SMF @ OC-3
80
Notes:
1. Compatible with SONET OC-3 LR-2 as the output power is 5dB higher than the OC-3 requirement.
2. Compatible with Fast Ethernet as the performances are tested only with PRBS data saving DC balance.
3. Tested with a PRBS 2
23
-1, NRZ test pattern.
4.
Attenuation of 0.275 dB/km is used for the link length calculations (per GR-253 CORE). Distances are
indicative only.
VI.
Environmental Specifications
Finisar 1511nm OSC SFP transceivers have the following operating and storage case
temperature ranges,
Parameter
Comm. Temp.
Case Operating
Extended Temp.
Storage Temperature
Symbol
T
OP
T
sto
Min
0
-20
-40
Typ
Max
+70
+85
+85
Units
°C
°C
°C
Ref.
VII.
Regulatory Compliance
Finisar transceivers are Class 1 Laser Products and comply with US FDA regulations.
These products are certified by TÜV and CSA to meet the Class 1 eye safety
requirements of EN (IEC) 60825 and the electrical safety requirements of EN (IEC)
60950. Copies of certificates are available at Finisar Corporation upon request.
©
Finisar Corporation May 2011, Rev. A
Page 5
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