Product Specification
10Gb/s DWDM 80km Multi-Rate SFP+ Transceiver
FTLX3871MCCxx
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 links for:
Fibre Channel 8.5G and 10G
10G Ethernet
10Gb/s SONET/SDH/OTN
ITU-T G.698.1 DS100S1-2Dz(C)
Finisar’s FTLX3871MCCxx 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 support SONET OC-192, SDH STM-64, 10G Ethernet ZR and
10G Fibre Channel over 80km fiber. Finisar’s FTLX3871MCCxx transceivers use
internal retimers (clock and data recovery or CDR) IC’s for both the transmitter and the
receiver. This guarantees compliance with the SONET/SDH jitter requirements, and they
can be used to set the electrical interface XFI-compliant.
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
FTLX3871MCCxx
Channel Spacing
100 GHz ITU-T grid
Finisar Corporation – September 2015
Rev. C1
Page 1
FTLX3871MCCxx 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
FTLX3871MCC17
FTLX3871MCC18
FTLX3871MCC19
FTLX3871MCC20
FTLX3871MCC21
FTLX3871MCC22
FTLX3871MCC23
FTLX3871MCC24
FTLX3871MCC25
FTLX3871MCC26
FTLX3871MCC27
FTLX3871MCC28
FTLX3871MCC29
FTLX3871MCC30
FTLX3871MCC31
FTLX3871MCC32
FTLX3871MCC33
FTLX3871MCC34
FTLX3871MCC35
FTLX3871MCC36
FTLX3871MCC37
FTLX3871MCC38
FTLX3871MCC39
FTLX3871MCC40
FTLX3871MCC41
FTLX3871MCC42
FTLX3871MCC43
FTLX3871MCC44
FTLX3871MCC45
FTLX3871MCC46
FTLX3871MCC47
FTLX3871MCC48
FTLX3871MCC49
FTLX3871MCC50
FTLX3871MCC51
FTLX3871MCC52
FTLX3871MCC53
FTLX3871MCC54
FTLX3871MCC55
FTLX3871MCC56
FTLX3871MCC57
FTLX3871MCC58
FTLX3871MCC59
FTLX3871MCC60
FTLX3871MCC61
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
FTLX3871MCCxx 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. See Sec. X of this datasheet for the logic table to use for
the internal CDRs locking modes.
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
FTLX3871MCCxx 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
P
diss
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
W
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
Tx and Rx CDR’s ON
Tx CDR OFF and Rx CDR ON
Tx & Rx CDR’s OFF and Ethernet spec.
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
1.8
1.7
1.6
1.9
1.8
1.7
1
2
3
3
4
5
5
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 values refer to 3.3V, 70C case temperature and beginning of life.
Finisar Corporation – September 2015
Rev. C1
Page 4
FTLX3871MCCxx Product Specification
IV. Optical Characteristics (TOP = -5 to 70
C,
VCC = 3.14 to 3.46 Volts)
Parameter
Symbol
Transmitter (Tx)
Average Launch Power
P
AVE
Optical Wavelength
c
Side-Mode Suppression Ratio
SMSR
Optical Extinction Ratio
ER
Average Launch power when Tx is OFF
P
OFF
Tx Jitter 20kHz - 80MHz
Tx
j1
Tx Jitter 4MHz - 80MHz
Tx
j2
Relative Intensity Noise
RIN
Center Wavelength
c EOL
Receiver (Rx)
Optical Center Wavelength
C
Reflectance
R
rx
Rx Power-Limited Performance
Bit Rate
BER
(Gb/s)
Sensitivity
(0km)
8.5, 9.95-10.7 <10
-12
R
SENS1
11.1-11.3
<10
-4
R
SENS2
8.5, 9.95-10.7 <10
-12
R
SENS3
Sensitivity
11.1
<10
-4
R
SENS4
(80km)
11.3
<10
-4
R
SENS5
Power Penalty
8.5, 9.95-10.7 <10
-12
PP
Overload (Average Power)
P
AVE
LOS De-Assert
LOS
D
LOS Assert
LOS
A
LOS Hysteresis
LOS
H
Rx Noise-Limited Performance (OSNR)
Bit Rate
Max CD
BER
(Gb/s)
(ps/nm)
0
OSNR
1
8.5, 9.95-10.7
1E-12
1450
OSNR
2
0
OSNR
3
11.1
1E-12
1300
OSNR
4
0
OSNR
5
10.7-11.1
1E-7
1300
OSNR
6
Min
Typ
Max
Unit
dBm
Nm
dB
dB
dBm
UI
UI
dB/Hz
Pm
nm
dB
Ref.
-1
+3
As per ITU-T 694.1
30
8.2
-30
0.3
0.1
-128
z-100
z
z+100
1260
1600
-27
1
-24
-27
-21
-24
-24
3
-7
-37
0.5
-28
-30
dBm
dBm
dBm
dBm
dBm
dB
dBm
dBm
dBm
dB
RDT
Default
Default
Default
Default
Default
Default
2
2
2,3.a
2,3.b
2,3.c
2.3.a
Max OSNR
(dB)
23
28
23
28
18
23
4,5
4,5
4,5
4,5
4,5
4,5
Notes:
1. Refer to Tab. 1.
2. Measured with worst ER=8.2dB; 2
31
– 1 PRBS.
3. Max chromatic dispersion (CD) tolerance over 80km of G.652 single mode fiber:
3.a
1450ps/nm; 3.b
1300ps/nm;
3.c
1100ps/nm
4. With optical input power at the receiver between -7 and -18 dBm
5. Please see Sec. XII for additional details on the Receiver Decision Threshold (RDT).
Finisar Corporation – September 2015
Rev. C1
Page 5
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