Product Specification
Industrial Temperature DWDM
10G Multi-Rate, 40km SFP+ Transceiver
FTLX3671MTCxx
PRODUCT FEATURES
100 GHz spacing, DWDM C-band
Up to 40km link length
PIN Receiver with limiting interface
1.2 through 11.3 Gb/s data rates
-40/85°C case temperature range
Single 3.3V power supply
Cooled 1550nm EML laser
Hot-pluggable SFP+ footprint
Duplex LC connector
Built-in digital diagnostic functions
RoHS-6 compliant
APPLICATIONS
DWDM 40km links for:
Fibre Channel 2G through 10G
Ethernet 1G through 10G
CPRI options 2 through 8
OTN OTU 1, 2 and 2f
Finisar FTLX3671MTCxx transceivers are Enhanced Small Form Factor Pluggable
SFP+ transceivers designed for use in DWDM links up to 40km of G.652 single mode
fiber, for multi-rate applications from 1.2 through 11.3 Gb/s, carrying 1-10G Ethernet, 1-
10G Fibre Channel, 10G OTN traffic or CPRI options 2 through 8 traffic. The
FTLX3671MTCxx transceivers are compliant with SFF-8431
1
and SFF-8432
2
.
Finisar FTLX3671MTCxx transceivers use internal re-timers (clock and data recovery
or CDR) for the transmitter and the receiver to guarantees compliance with the
SONET/SDH jitter requirements.
Digital diagnostics functions are available via a 2-wire serial interface, as specified in
SFF-8472
3
. Finisar FTLX3671MTCxx transceivers are RoHS compliant per Directive
2011/65/EU
4,5
.
PRODUCT SELECTION
FTLX3671MTCxx
xx=ITU-T Grid Channel (see next page)
Finisar Corporation – May 2017
Rev. A1
Page 1
FTLX3671MTCxx DWDM 40km SFP+ Product Specification
Product Ordering Codes / Channel Selection
Channel
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
Product Code
FTLX3671MTC20
FTLX3671MTC21
FTLX3671MTC22
FTLX3671MTC23
FTLX3671MTC24
FTLX3671MTC25
FTLX3671MTC26
FTLX3671MTC27
FTLX3671MTC28
FTLX3671MTC29
FTLX3671MTC30
FTLX3671MTC31
FTLX3671MTC32
FTLX3671MTC33
FTLX3671MTC34
FTLX3671MTC35
FTLX3671MTC36
FTLX3671MTC37
FTLX3671MTC38
FTLX3671MTC39
FTLX3671MTC40
Frequency
(THz)
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
Center
Wavelength
(nm)
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
Channel
C41
C42
C43
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
Product Code
FTLX3671MTC41
FTLX3671MTC42
FTLX3671MTC43
FTLX3671MTC44
FTLX3671MTC45
FTLX3671MTC46
FTLX3671MTC47
FTLX3671MTC48
FTLX3671MTC49
FTLX3671MTC50
FTLX3671MTC51
FTLX3671MTC52
FTLX3671MTC53
FTLX3671MTC54
FTLX3671MTC55
FTLX3671MTC56
FTLX3671MTC57
FTLX3671MTC58
FTLX3671MTC59
FTLX3671MTC60
Frequency
(THz)
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
Center
Wavelength
(nm)
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
Table 1. Product ordering codes: the central wavelength is defined as per ITU-T 694.1
Finisar Corporation – May 2017
Rev. A1
Page 2
FTLX3671MTCxx DWDM 40km SFP+ 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
4
2
2
5
5
6
1
1
1
7
7
1
1
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. 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.
3. 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.
4. Laser output disabled on T
DIS
>2.0V or open, enabled on T
DIS
<0.8V.
5. Internally pulled down per SFF-8431 Rev 4.1.
6. 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.
7. Internally connected
VeeT
1
2
3
VeeT
TD-
TX_Fault
TD+
TX_Disable
VeeT
4
SDA
VccT
16
15
14
17
18
19
20
Towards
Bezel
5
6
SCL
VccR
MOD_ABS
VeeR
RS0
RD+
13
12
Towards
ASIC
7
8
RX_LOS
RD-
9
RS1
VeeR
11
VeeR
10
Figure 1. Diagram of Host Board Connector Block Pin Numbers and Names.
Finisar Corporation – May 2017
Rev. A1
Page 3
FTLX3671MTCxx DWDM 40km SFP+ 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
= -40 to 85
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
cons
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
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
CDR ON
CDR OFF
100
1
80
100
120
300
850
24
V
cc
-0.8
V
cc
V
ee
V
ee
+0.8
Per SFF-8431 Rev 4.1
1.9
1.6
1
2
3
3
4
5,6
6,7
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. Lower limit as per XFP MSA, Tab. 18 (as
the SFP+ MSA does not define electrical specifications for transceivers with internal retrimers or CDRs).
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. Power consumption measured at 85C case temperature, beginning of life and 3.3V supply voltage.
6. Contact Finisar if a lower power consumption variant is required.
7. With both receiver and transmitter CDR OFF.
Finisar Corporation – May 2017
Rev. A1
Page 4
FTLX3671MTCxx DWDM 40km SFP+ Product Specification
IV. Optical Characteristics (TOP = -40 to 85
C,
VCC = 3.14 to 3.46 Volts)
Parameter
Transmitter (Tx)
Average Launch Power
Optical Wavelength
Center Wavelength (End of Life)
Side-Mode Suppression Ratio
Optical Extinction Ratio
Tx Jitter 20kHz - 80MHz
Tx Jitter 4MHz - 80MHz
Average Launch power when Tx is OFF
Relative Intensity Noise
Receiver (Rx)
Optical Center Wavelength
Reflectance
Bit Rate (Gb/s)
BER
Sensitivity
1.2÷10.7
<10
-12
(0ps/nm)
11.1÷11.3
<10
-6
1.2÷10.7
<10
-12
Sensitivity
(800ps/nm)
11.1÷11.3
<10
-6
<9.83
Overload
≥9.83
Notes: 1.
2.
3.
4.
Symbol
P
AVE
c_EOL
SMSR
ER
Tx
j1
Tx
j2
P
OFF
RIN
C
R
rx
R
SENS1
R
SENS3
R
SENS4
R
SENS6
P
OVER1
P
OVER2
Min
Typ
Max
c
1
+4
As per ITU-T 694.1
Unit
dBm
nm
dB
dB
UI
UI
dBm
dB/Hz
nm
dB
dBm
dBm
dBm
dBm
Ref.
1
c
±100pm
30
8.2
0.3
0.1
-30
-128
1260
1600
-27
-16.0
-15.0
-15.0
-14.0
-1
0
2
3,4
3,5
3,4,5
3,5
6
3
Refer to Tab. 1.
With both internal CDRs ON.
Measured with worst ER=8.2dB; 2
31
– 1 PRBS.
Bit rates below 9.83Gb/s are supported with the internal CDRs in bypass mode. Please
see Sec. X for additional details.
5. 800ps/nm max chromatic dispersion tolerance over 40km of G.652 single mode fiber
6. Measured with worst ER=8.2dB; 2
7
– 1 PRBS.
V.
General Specifications
Parameter
Symbol
BR
L
MAX
Min
1.2288
Typ
Max
11.3176
40
Units
Gb/s
km
Ref.
1
2
Bit Rate
Max. Supported Link Length
Notes:
1. Tested with a 2
31
– 1 PRBS pattern at the BER defined in Table IV.
2. Over G.652 single mode fiber.
Finisar Corporation – May 2017
Rev. A1
Page 5
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