Finisar
Product Specification
CWDM Pluggable SFP Transceiver
FWDM-1519-7D-xx
PRODUCT FEATURES
•
•
•
•
•
•
•
•
•
•
Up to 1.25 Gb/s bi-directional
data links
Hot-pluggable SFP footprint
Built- in digital diagnostic functions
Uncooled DFB laser transmitter in
8 possible CWDM wavelengths
Duplex LC connector
Very low jitter
Metal enclosure, for lower EMI
Single 3.3V power supply
Low power dissipation <700mW
Operating temperature range: 0°C
to 70°C
APPLICATIONS
•
Metro Access Rings and Point-to-Point
networking for Gigabit Ethernet and
Fibre Channel
Finisar’s FWDM-1519-7D-xx CWDM Small Form Factor Pluggable (SFP) transceivers
are designed for operation in Metro Access Rings and Point-to-Point networks using
Gigabit Ethernet and Fibre Channel networking equipment. They are available in eight
different CWDM wavelengths. Digital diagnostics functions are available via a two wire
serial bus. In addition, they comply with the Small Form Factor Pluggable Multi-
Sourcing Agreement (MSA)
1
.
PRODUCT SELECTION
FWDM-1519-7D-xx
xx : (See next page)
©
Finisar June 2003 Rev.C
Page 1
FWDM-1519-7D-xx SFP Product Specification – June 2003
Finisar
xx
55
57
59
61
Clasp Color
Code
Yellow
Orange
Red
Brown
Wavelength
1470 nm
1490 nm
1510 nm
1530 nm
xx
47
49
51
53
Clasp Color
Code
Gray
Violet
Blue
Green
Wavelength
1550 nm
1570 nm
1590 nm
1610 nm
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. Not supported.
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 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 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.
©
Finisar June 2003 Rev.C
Page 2
FWDM-1519-7D-xx SFP Product Specification – June 2003
Finisar
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
Diagram of Host Board Connector Block Pin Numbers and Names
II.
Absolute Maximum Ratings
Symbol
Vcc
T
S
T
OP
Min
-0.5
-40
0
Typ
Max
4.7
85
70
260/10
Unit
V
°C
°C
°C/s
Ref.
Parameter
Maximum Supply Voltage
Storage Temperature
Case Operating Temperature
Lead Soldering Temperature/Time
III.
Electrical Characteristics
(T
OP
= 0 to 70
°C,
V
CC
= 3.15 to 3.60 Volts)
Symbol
Vcc
Icc
R
in
Vin,pp
V
D
V
EN
Min
3.15
Typ
200
100
250
Vcc – 1.3
Vee
1200
Vcc
Vee+ 0.8
10
800
175
175
Vcc
HOST
Vee+0.5
Max
3.60
300
Unit
V
mA
Ω
mV
V
V
us
mV
ps
ps
V
V
mVpp
Ref.
Parameter
Supply Voltage
Supply Current
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 output rise time
Data output fall time
LOS Fault
LOS Normal
Power Supply Rejection
1
2
Vout,pp
t
r
t
f
V
LOS fault
V
LOS norm
PSR
250
100
100
Vcc – 0.5
Vee
100
3
4
4
5
5
6
Notes:
1. Connected directly to TX data input pins. AC coupled thereafter.
©
Finisar June 2003 Rev.C
Page 3
FWDM-1519-7D-xx SFP Product Specification – June 2003
2.
3.
4.
5.
6.
Finisar
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.
IV.
Optical Characteristics
(T
OP
= 0 to 70
°C,
V
CC
= 3.15 to 3.60 Volts)
Parameter
Symbol
P
OUT
λ
σ
ER
SSR
min
t
r
/ t
f
RIN
Min
+0
(x-4)
Typ
Max
+5
(x+7)
0.125
1
Unit
dBm
nm
nm/°C
nm
dB
dB
ps
dB/Hz
ps
dBm
dBm
nm
dBm
dBm
dB
ps
Ref.
1
2
Transmitter
Output Opt. Pwr (End of Life)
Optical Wavelength
Wavelength Temperature Dependance
Spectral Width (-20dB)
Optical Extinction Ratio
Sidemode Supression ratio
Optical Rise/Fall Time
RIN
Transmitter Jitter (peak to peak)
Receiver
Average Rx Sensitivity @ Gigabit
Ethernet
Maximum Input Power
Optical Center Wavelength
LOS De -Assert
LOS Assert
LOS Hysteresis
Receiver Jitter Generation @1.25Gbps
(x+1)
0.08
9
30
180
-120
100
-23.0
0
1270
-30
1.0
160
3
R
SENS3
P
MAX
λ
C
LOS
D
LOS
A
4
1620
-19
5
Notes:
1. Class 1 Laser Safety per FDA/CDRH and IEC-825-1 regulations.
2. Over case temperature of 0 to 70 °C. 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 1.
3. Unfiltered
4. With worst-case extinction ratio. Measured with a PRBS 2
7
-1 test pattern, @1.25Gb/s, BER<10
-12
.
5. Jitter added by receiver (peak to peak). Measured at –23dBm average Rx sensitivity, PRBS 2
7
-1 test
pattern.
©
Finisar June 2003 Rev.C
Page 4
FWDM-1519-7D-xx SFP Product Specification – June 2003
Finisar
V.
General Specifications
Parameter
Symbol
BR
--
Min
0.622
23.0
Typ
25.0
Max
1.25
Units
Gb/sec
dB
Ref.
@1.25 Gb/s, BER < 10
-12
w/ PRBS 2
7
-1.
Data Rate
Total System Budget
VI.
Environmental Specifications
Finisar CWDM SFP transceivers have an operating temperature range from
0°C to +70°C case temperature.
Parameter
Case Operating Temperature
Storage Temperature
Symbol
T
op
T
sto
Min
0
-40
Typ
Max
70
85
Units
°C
°C
Ref.
VII.
Regulatory Compliance
Finisar CWDM SFP transceivers are Class 1 Laser Products. They are certified per the
following standards:
Feature
Laser Eye Safety
Agency
FDA/CDRH
Standard
CDRH and IEC-825
Class 1 Laser Product.
See Note 1
EN 60950
EN 60825-1
EN 60825-2
CLASS 3862.07
CLASS 3862.87
Certificate
Number
Laser Eye Safety
TÜV
Electrical Safety
CSA
Note 1: Complies with FDA performance standards for laser products except for deviations pursuant to
Laser Notice No. 50, dated July 26, 2001.
©
Finisar June 2003 Rev.C
Page 5
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