Product Specification
10Gb/s DWDM 80km Multi-Rate SFP+ Transceiver
FTLX3871DCCxx
PRODUCT FEATURES
Hot-pluggable SFP+ footprint
Supports 8.5 and 9.95 to 11.3 Gb/s
Up to 80km link length
100 GHz channel spacing
-5 /70°C case temperature range
Single 3.3V power supply
Cooled 1550nm EML laser
Limiting electrical interface receiver
Duplex LC connector
Built-in digital diagnostic functions
RoHS-6 compliant (lead-free)
APPLICATIONS
DWDM 80km point to point links:
Fibre Channel 8.5G and 10G
10G Ethernet
ITU-T G.698.1 DS100S1-2Dz(C)
Finisar’s FTLX3871DCCxx transceivers are Enhanced Small Form Factor Pluggable
SFP+ transceivers designed for use in 10-Gigabit multi-rate links up to 80km of G.652
single mode fiber. They are compliant with SFF-8431
1
, SFF-8432
2
and G.698.1
DS100S1-2Dz(C), and 10G Ethernet ZR and 10G Fibre Channel over 80km fiber.
Digital diagnostics functions are available via a 2-wire serial interface, as specified in
SFF-8472
3
. The optical transceiver is compliant per the RoHS Directive
2011/65/EU
4
. See Finisar Application Note AN-2038 for more details
5
.
PRODUCT SELECTION
Product Part Number
FTLX3871DCCxx
Channel Spacing
100 GHz ITU-T grid
Finisar Corporation – September 2015
Rev. C1
Page 1
FTLX3871DCCxx Product Specification
Product Channel Selection
Channel
(xx)
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Product
Code
FTLX3871DCC17
FTLX3871DCC18
FTLX3871DCC19
FTLX3871DCC20
FTLX3871DCC21
FTLX3871DCC22
FTLX3871DCC23
FTLX3871DCC24
FTLX3871DCC25
FTLX3871DCC26
FTLX3871DCC27
FTLX3871DCC28
FTLX3871DCC29
FTLX3871DCC30
FTLX3871DCC31
FTLX3871DCC32
FTLX3871DCC33
FTLX3871DCC34
FTLX3871DCC35
FTLX3871DCC36
FTLX3871DCC37
FTLX3871DCC38
FTLX3871DCC39
FTLX3871DCC40
FTLX3871DCC41
FTLX3871DCC42
FTLX3871DCC43
FTLX3871DCC44
FTLX3871DCC45
FTLX3871DCC46
FTLX3871DCC47
FTLX3871DCC48
FTLX3871DCC49
FTLX3871DCC50
FTLX3871DCC51
FTLX3871DCC52
FTLX3871DCC53
FTLX3871DCC54
FTLX3871DCC55
FTLX3871DCC56
FTLX3871DCC57
FTLX3871DCC58
FTLX3871DCC59
FTLX3871DCC60
FTLX3871DCC61
Frequency
(THz)
191.70
191.80
191.90
192.00
192.10
192.20
192.30
192.40
192.50
192.60
192.70
192.80
192.90
193.00
193.10
193.20
193.30
193.40
193.50
193.60
193.70
193.80
193.90
194.00
194.10
194.20
194.30
194.40
194.50
194.60
194.70
194.80
194.90
195.00
195.10
195.20
195.30
195.40
195.50
195.60
195.70
195.80
195.90
196.00
196.10
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
Table 1. Product ordering codes: the central wavelength is defined as per ITU-T 694.1
Finisar Corporation – September 2015
Rev. C1
Page 2
FTLX3871DCCxx Product Specification
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
SDA
SCL
MOD_ABS
RS0
RX_LOS
RS1
V
EER
V
EER
RD-
RD+
V
EER
V
CCR
V
CCT
V
EET
TD+
TD-
V
EET
Name/Description
Transmitter Ground
Transmitter Fault
Transmitter Disable. Laser output disabled on high or open.
2-wire Serial Interface Data Line
2-wire Serial Interface Clock Line
Module Absent. Grounded within the module
Rate Select 0.
Loss of Signal indication. Logic 0 indicates normal operation.
Rate Select 1.
Receiver Ground
Receiver Ground
Receiver Inverted DATA out. AC Coupled.
Receiver Non-inverted DATA out. AC Coupled.
Receiver Ground
Receiver Power Supply
Transmitter Power Supply
Transmitter Ground
Transmitter Non-Inverted DATA in. AC Coupled.
Transmitter Inverted DATA in. AC Coupled.
Transmitter Ground
Ref.
1
2
3
2
2
2
4
5
4
1
1
1
6
6
1
1
Notes:
1. Circuit ground is internally isolated from chassis ground.
2.
T
FAULT
is an open collector/drain output, which should be pulled up with a 4.7k – 10k Ohms resistor on
the host board if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V. A high
output indicates a transmitter fault caused by either the TX bias current or the TX output power
exceeding the preset alarm thresholds. A low output indicates normal operation. In the low state, the
output is pulled to <0.8V.
Laser output disabled on T
DIS
>2.0V or open, enabled on T
DIS
<0.8V.
Internally pulled down per SFF-8431 Rev 4.1.
LOS is open collector output. Should be pulled up with 4.7k – 10k on host board to a voltage
between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
Internally connected
VeeT
1
VeeT
TD-
2
TX_Fault
TD+
3
TX_Disable
VeeT
4
SDA
VccT
16
17
18
19
20
3.
4.
5.
6.
Towards
Bezel
5
SCL
VccR
15
6
MOD_ABS
VeeR
14
Towards
ASIC
7
RS0
RD+
13
8
RX_LOS
RD-
12
9
RS1
VeeR
11
VeeR
10
Figure 1. Diagram of Host Board Connector Block Pin Numbers and Names.
Finisar Corporation – September 2015
Rev. C1
Page 3
FTLX3871DCCxx Product Specification
II. Absolute Maximum Ratings
Exceeding the limits below may damage the transceiver module permanently.
Parameter
Maximum Supply Voltage
Storage Temperature
Relative Humidity
Receiver Optical Damage Threshold
Symbol
Vcc
T
S
RH
RxDamage
Min
-0.5
-40
0
5
Typ
Max
4.0
85
85
Unit
V
C
%
dBm
Ref.
1
Notes:
1. Non-condensing
III.
Electrical Characteristics (T
OP
= -5 to 70
C)
Symbol
V
cc
R
in
Vin,pp
V
D
V
EN
R
out
V
out,pp
T
r
, T
f
V
LOS A
V
LOS D
V
ccT
/V
ccR
Min
3.14
80
120
V
cc
-0.8
V
ee
Typ.
Max
3.46
120
850
V
cc
V
ee
+ 0.8
Unit
mV
V
V
mV
ps
V
V
mV
pp
W
Ref.
Parameter
Supply Voltage
Transmitter
Input differential impedance
Differential data input swing
Transmit Disable Voltage
Transmit Enable Voltage
Receiver
Output differential impedance
Differential data output swing
Output rise time and fall time
LOS asserted
LOS de-asserted
Power Supply Noise Tolerance
Power Consumption
100
1
80
100
120
300
850
28
V
cc
-0.8
V
cc
V
ee
V
ee
+0.8
Per SFF-8431 Rev 4.1
1.6
1.7
1
2
3
3
4
5
Notes:
1. Internally AC coupled. Data pins connect directly to the CDR.
2.
20 – 80%. Measured with Module Compliance Test Board and OMA test pattern. Use of four 1’s and four 0’s
sequence in the PRBS 9 is an acceptable alternative. SFF-8431 Rev 4.1.
3. LOS is an open collector output. Should be pulled up with 4.7k – 10k on the host board. Normal operation is
logic 0; loss of signal is logic 1.
4. See Section 2.8.3 of SFF-8431 Rev 4.1.
5. Typical power consumption at 70C case temperature, beginning of life and 3.3V supply voltage.
Finisar Corporation – September 2015
Rev. C1
Page 4
FTLX3871DCCxx Product Specification
IV. Optical Characteristics (TOP = -5 to 70
C,
VCC = 3.14 to 3.46 Volts)
Parameter
Symbol Min Typ
Max
Transmitter (Tx)
Average Launch Power
P
AVE
-1
+3
Optical Wavelength
As per ITU-T 694.1
c
Center Wavelength (End of Life)
c_EOL
c
±100pm
Side-Mode Suppression Ratio
SMSR
30
Optical Extinction Ratio
ER
8.2
Average Launch power when Tx is OFF
P
OFF
-30
Relative Intensity Noise
RIN
-128
Receiver (Rx)
Optical Center Wavelength
1260
1600
C
Reflectance
R
rx
-27
Bit Rate (Gb/s)
BER
Sensitivity
8.5, 9.95-10.7
<10
-12
R
SENS1
-24
(0km)
-4
11.1-11.3
<10
R
SENS2
-27
-12
8.5, 9.95-10.7
<10
R
SENS3
-21
Sensitivity
-4
11.1
<10
R
SENS4
-24
(80km)
-4
11.3
<10
R
SENS5
-24
Overload (Average Power)
P
AVE
-7
LOS De-Assert
LOS
D
-28
LOS Assert
LOS
A
-37
-30
LOS Hysteresis
LOS
H
0.5
Notes:
1. Refer to Tab. 1.
2. Measured with worst ER=8.2dB; 2
31
– 1 PRBS.
3. Max chromatic dispersion tolerance over 80km of G.652 single mode fiber:
a. 1450ps/nm
b. 1300ps/nm
c. 1100ps/nm
Unit
dBm
nm
dB
dB
dBm
dB/Hz
nm
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
2
2
2,3.a
2,3.b
2,3.c
Ref.
1
Finisar Corporation – September 2015
Rev. C1
Page 5
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