Finisar
Product Specification
Long-Reach DWDM SFP Transceiver
FWLF1634RLxx
PRODUCT FEATURES
Up to 4.25 Gb/s bi-directional links
Hot-pluggable SFP footprint
Temperature-stabilized DWDM-
rated DFB laser transmitter
100GHz ITU Grid, C-Band
Low dispersion DFB laser
Extended operating range: -5°C to
70°C case temperature
Wavelength controlled within
nm over life and temperature
Extended link budget with APD
receiver technology
4x FC compliant
1x/2x, GbE compliant*
OC-48 LR-2 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
1
. The FWLF1634R is designed expressly for service
providers deploying DWDM networking equipment in metropolitan access and core
networks.
Basic digital diagnostic features for the FWLF1634R are implemented as described in
Finisar Application Note AN-2030, “Digital Diagnostic Monitoring Interface for Optical
Transceivers”
4
. Enhanced diagnostic features are available as described in the DWDM
SFP MSA
6
.
0.1
APPLICATIONS
Amplified DWDM networks
Bandwidth aggregation
Ring topologies with fixed and
reconfigurable OADMs
(*when ordered with rate selection option, and used in low rate mode)
Finisar Corporation
Rev D1, Aug.2010
Page 1
Finisar
PRODUCT SELECTION
FWLF1634Ryxx
y
xx
L
Non Rate Selectable - 4x Fibre Channel
DWDM Wavelength (see table below)
Frequency (THz)
191.7
191.8
191.9
192.0
192.1
192.2
192.3
192.4
192.5
192.6
192.7
192.8
192.9
193.0
193.1
193.2
193.3
193.4
193.5
193.6
193.7
193.8
193.9
194.0
194.1
194.2
194.3
194.4
194.5
194.6
194.7
194.8
194.9
195.0
195.1
195.2
195.3
195.4
195.5
195.6
195.7
195.8
195.9
196.0
196.1
Center Wavelength (nm)
1563.86
1563.05
1562.23
1561.42
1560.61
1559.79
1558.98
1558.17
1557.36
1556.55
1555.75
1554.94
1554.13
1553.33
1552.52
1551.72
1550.92
1550.12
1549.32
1548.51
1547.72
1546.92
1546.12
1545.32
1544.53
1543.73
1542.94
1542.14
1541.35
1540.56
1539.77
1538.98
1538.19
1537.40
1536.61
1535.82
1535.04
1534.25
1533.47
1532.68
1531.90
1531.12
1530.33
1529.55
1528.77
Product Code
FWLF1634RL17
FWLF1634RL18
FWLF1634RL19
FWLF1634RL20
FWLF1634RL21
FWLF1634RL22
FWLF1634RL23
FWLF1634RL24
FWLF1634RL25
FWLF1634RL26
FWLF1634RL27
FWLF1634RL28
FWLF1634RL29
FWLF1634RL30
FWLF1634RL31
FWLF1634RL32
FWLF1634RL33
FWLF1634RL34
FWLF1634RL35
FWLF1634RL36
FWLF1634RL37
FWLF1634RL38
FWLF1634RL39
FWLF1634RL40
FWLF1634RL41
FWLF1634RL42
FWLF1634RL43
FWLF1634RL44
FWLF1634RL45
FWLF1634RL46
FWLF1634RL47
FWLF1634RL48
FWLF1634RL49
FWLF1634RL50
FWLF1634RL51
FWLF1634RL52
FWLF1634RL53
FWLF1634RL54
FWLF1634RL55
FWLF1634RL56
FWLF1634RL57
FWLF1634RL58
FWLF1634RL59
FWLF1634RL60
FWLF1634RL61
Finisar Corporation
Rev D1, Aug.2010
Page 2
FWLF1634RLxx DWDM SFP Product Specification – August 2010
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. 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. Receiver achieves multi-rate 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
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
Finisar Corporation
Rev D1, Aug.2010
Page 3
FWLF1634RLxx DWDM SFP Product Specification – August 2010
Finisar
II.
Absolute Maximum Ratings
Symbol
Vcc
T
S
T
OP
Min
-0.5
-10
-5
Typ
Max
4.7
85
70
Unit
V
C
C
Parameter
Maximum Supply Voltage
Storage Temperature
Case Operating Temperature
III.
Electrical Characteristics
(T
OP
= -5 to 70 C, V
CC
= 3.13 to 3.50 Volts)
Symbol
Vcc
Icc
I
surge
Pmax
R
in
Vin,pp
V
D
V
EN
Vout,pp
t
r
t
f
V
LOS fault
V
LOS norm
PSR
Min
3.13
Typ
3.30
Max
3.50
325
Icc+30
1.25
Unit
V
mA
mA
W
Ref.
BOL
BOL
Parameter
Supply Voltage
Supply Current
Inrush Current
Maximum Power
TRANSMITTER
Input differential impedance
Single ended data input swing
Transmit Disable Voltage
Transmit Enable Voltage
RECEIVER
Single ended data output swing
Data output rise time
Data output fall time
LOS Fault
LOS Normal
Power Supply Rejection
Notes:
1.
2.
3.
4.
5.
6.
100
250
Vcc – 1.3
Vee
175
1200
Vcc
Vee+ 0.8
1000
120
120
Vcc
HOST
Vee+0.5
mV
V
V
mV
ps
ps
V
V
mVpp
1
2
3
4
4
5
5
6
Vcc – 0.5
Vee
100
Connected directly to TX data input pins. AC coupled thereafter.
Or open circuit.
Into 100 ohms differential termination.
20 – 80 %
Loss of signal (LOS) 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.
Finisar Corporation
Rev D1, Aug.2010
Page 4
FWLF1634RLxx DWDM SFP Product Specification – August 2010
Finisar
IV.
Low Speed Signals
Symbol
Min
-42
0.5
t_loss_on
t_loss_off
t_off
Typ
-36
-34
2
Max
Units Notes/Conditions
dBm
dBm
dB
sec From detection of loss of signal
to assertion of RX_LOS
sec From detection of presence of
signal to negation of RX_LOS
sec Rising edge of TX_DISABLE to
fall of output signal below 10%
of nominal
sec Falling edge of TX_DISABLE
to rise of output signal above
90% of nominal. Time
indicated is under steady-state
temperature conditions.
sec TX_DISABLE HIGH before
TX_DISABLE set LOW
nm TX_Fault will assert before the
device is outside of specified
wavelength range
Parameter
RX_LOS Assert Level
RX_LOS De-assert Level
RX_LOS Hysteresis
RX_LOS Assert Delay
RX_LOS Negate Delay
TX_DISABLE Assert Time
-28
100
100
10
TX_DISABLE Negate Time
t_on
1000
TX_DISABLE Reset Time
TX_FAULT Assert
t_reset
10
-0.2
+0.2
Finisar Corporation
Rev D1, Aug.2010
Page 5
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