Finisar Corpor ation October 2015 Rev. D1 Page 1
Product Specification
40BASE-SR4 QSFP+ Gen2 E-Temp Optical Transceiver
Module
FTL410QE2N
PRODUCT FEATURES
• Four-channel full-duplex
transceiver module
• Hot Pluggable QSFP+ form factor
• Maximum link length of 100m on
OM3 Multimode Fiber (MMF)
and 150m on OM4 MMF
• Multirate capability: 1.06Gb/s to
10.5Gb/s per channel
• Unretimed XLPPI electrical
interface
• Maximum power dissipation
<1.5W
• Reliable VCSEL array technology
• Extended operating case
temperature range: -5ºC to 85ºC
• Single 1x12 MPO receptacle
• RoHS-6 Compliant
APPLICATIONS
• 40GBASE-SR4 40G Ethernet
• Breakout to 10GBASE-SR Ethernet
• Proprietary interconnections
Finisar’s FTL410QE2N QSFP+ transceiver modules are designed for use in 40 Gigabit per
second links over multimode fiber. They are compliant with the QSFP+ MSA1,2 and IEEE
802.3ba 40GBASE-SR43. Module-level digital diagnostic fun ct io ns ar e av a i lab le v ia an I2C
interface, as specified by the QSFP+ MSA. The optical transceiver is compliant per the
RoHS Directive 2011/65/EU4. See Finisar Application Note AN-2038 for more details5.
PRODUCT SELECTION
FTL410QE2N
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 2
I. Pin Descriptions
Figure 1 – QSFP+ MSA-c ompliant 38-pin conne c tor
Pin
Symbol
Name/Description
Notes
1
GND
Ground
1
2
Tx2n
Transmitter Inverted Data Input
3
Tx2p
Transmitter Non-Inverted Data Input
4
GND
Ground
1
5
Tx4n
Transmitter Inverted Data Input
6
Tx4p
Transmitter Non-Inverted Data Input
7
GND
Ground
1
8
ModSelL
Module Select
9
ResetL
Module Reset
10
Vcc Rx
+3.3 V Power supply receiver
11
SCL
2-wire serial interface clock
12
SDA
2-wire serial interface data
13
GND
Ground
1
14
Rx3p
Receiver Non-Inverted Data Output
15
Rx3n
Receiver Inverted Data Output
16
GND
Ground
1
17
Rx1p
Receiver Non-Inverted Data Output
18
Rx1n
Receiver Inverted Data Output
19
GND
Ground
1
20
GND
Ground
1
21
Rx2n
Receiver Inverted Data Output
22
Rx2p
Receiver Non-Inverted Data Output
23
GND
Ground
1
24
Rx4n
Receiver Inverted Data Output
25
Rx4p
Receiver Non-Inverted Data Output
26
GND
Ground
1
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 3
27
ModPrsL
Module Present
28
IntL
Interrupt
29
Vcc Tx
+3.3 V Power supply transmitter
30
Vcc1
+3.3 V Power Supply
31
LPMode
Low Power Mode
32
GND
Ground
1
33
Tx3p
Transmitter Non-Inverted Data Input
34
Tx3n
Transmitter Inverted Data Input
35
GND
Ground
1
36
Tx1p
Transmitter Non-Inverted Data Input
37
Tx1n
Transmitter Inverted Data Input
38
GND
Ground
1
Notes
1. Circuit ground is internally isola te d from chassis ground.
II. General Product Characteristics
Parameter
Value
Unit
Notes
Module Form Factor
QSFP+
Number of Lanes
4 Tx and 4 Rx
Maximum Aggregate Data Rate
42.0
Gb/s
Maximum Data Rate per Lane
10.5
Gb/s
Higher bit ra te s may be supported.
Please contact Finisar.
Protocols Supported
Typical applications include
40G Ethernet, Infiniband,
Fibre Channel,
SATA/SAS3
Operating Case Temperature
-5 to +85
C
Electrical Interface and Pin-out
38-pin edge connector
Pin-out as defined by the
QSFP+ MSA
Maximum Po wer Consumption
per End
1.5
Watts
Vari es wit h outp ut vo lt age s wing
and pre-emphasis settings
(see Figure 2)
Management Interface
Serial, I2 C-based, 400 kHz
maxi mu m fr e q uency
As defined by the QSFP+ MSA
Symbol
Min
Typ
Max
Units
Ref.
BR
1062
10500
Mb/sec
1
BER
10-12
2
d
100
meters
3
d
150
meters
3
Notes:
1. Compliant wit h 40G Ethernet. Co mpatible with 1/10 Gigabit Ethernet and 1/2/4/8/10G Fibre Channel.
2. Tested with a PRBS 231-1 test pattern.
3. Per 40GBASE-SR4, IEEE 802.3ba
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 4
III. Absolute Maximum Ratings
Parameter
Symbol
Min
Typ
Max
Unit
Ref.
Maximum Supply Voltage
Vcc1,
VccTx,
VccRx
-0.5
3.6
V
Storage Temperature
TS
-40
85
°C
Case Operating Temperature
TOP
-5
85
°C
Relative Humidity
RH
0
85
%
1
Da mage Threshold, pe r Lane
DT
3.4
dBm
Notes:
1. Non-condensing.
IV. Electrical Characteristics (TOP = -5 to 85
°
C, VCC = 3.15 to 3.45 Volts)
Parameter
Symbol
Min
Typ
Max
Unit
Ref.
Supply Voltage
Vcc1,
VccTx,
VccRx
3.15 3.45 V
Supply Current
Icc
350
mA
Link turn-on t ime
Trans mit turn-on time
2000
ms
2
Transmitter (per Lane)
Singl e ended input voltage tole rance
VinT
-0.3
4.0
V
Differential data input swi ng
Vin,pp
180
1200
mVpp
3
Differential input threshold
50
mV
AC common mode inp ut vol t age tole rance
(RMS)
15 mV
Differential input ret urn loss
Per IEEE P802.3ba,
Section 86A.4.1.1
dB 4
J2 Jitter Tolerance
Jt2
0.17
UI
J9 Jitter Tolerance
Jt9
0.29
UI
Data Dependent Pulse W i dth S hrinkage
DDPWS
0.07
UI
Eye mask colordinates {X1, X2
Y1, Y2}
0.11, 0.31
95, 350
UI
mV
5
Receiver (per Lane)
Single-ended output voltage
-0.3
4.0
V
Differential data output swing
Vout,pp
0
800
mVpp
7,8
AC common mode output voltage (RMS)
7.5
mV
Termination mismatch at 1 M Hx
5
%
Differential output re turn loss
Per IEEE P802.3ba,
Section 86A.4.2.1
dB 4
Co mmo n mod e output retur n lo s s
Per IEEE P802.3ba,
Section 86A.4.2.2
dB 4
Output transition time, 20% to 80%
28
ps
J2 Jitter output
Jo2
0.42
UI
J9 Jitter output
Jo9
0.65
UI
Eye mask coordinates #1 {X1, X2
Y1, Y2}
0.29, 0.5
150, 425
UI
mV
6
Eye mask coordinates #2 {X1, X2
Y1, Y2}
0.29, 0.5
125, 500
UI
mV
5
Power Supply Ripple Tolerance
PSR
50
mVpp
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 5
Notes:
1. Maximum total power value is specified across the full temperature and voltage range.
2. From power-on and end of any fault conditions.
3. After internal AC coupling. Self-biasing 100Ω differential input.
4. 10 MHz to 11.1 GHz range
5. Hit ratio = 5 x 1 0E-5. Valid for all settings in Figure 2.
6. Hit ratio = 5 x 1 0E-5. Valid only for the shaded settings in Figure 2.
7. AC coupled with 100Ω differential outp ut impedance.
8. Settable in 4 discr e te steps via the I2C interface. See Figure 2 for Vout settings.
Power (mW)
Pre-Emphasis into 100ohms (mV)
0
125
175
325
Vo
ut (mV)
0
599
317
751
935
971
1075
422
787
971
1007
1111
739
883
1055
1103
1190
Figure 2 – Power Dissipation (mW, maximum) vs. Rx Output Condit i ons
V. Optical Characteristics (TOP = -5 to 85
°
C, VCC = 3.15 to 3.45 Volts)
Parameter
Symbol
Min
Typ
Max
Unit
Ref.
Transmitter (per Lane)
Signaling Speed per Lane
10.5
GBd
1
Center wa vel e ngt h
840
860
nm
RMS Spectral Width
SW
0.65
nm
Average Launch Power per Lane
TXPx
-7.6
0.0
dBm
Trans mit O MA per Lane
TxOMA
-5.6
3.0
dBm
2
Difference in Power between any two
lanes [OMA]
DP
x
4.0
dB
Peak Power per Lane
PPx
4.0
dBm
Launch Power [OMA] minus TDP per
Lane
P-TDP
-6.5
dBm
TDP per Lane
TDP
3.5
dBm
Optical Exti nctio n Ratio
ER
3.0
dB
Optical Return Loss Tolerance
ORL
12
dB
Encircled Flu x
FLX
> 86% at 19 um
< 30% at 4.5 um
dBm
Average launch power of OFF
transmitter, p e r la ne
-30
dBm
Relative Inte nsity Noise
RIN
-128
dB/Hz
Transmitter eye mask definition {X1,
X2, X3, Y1, Y2, Y3}
0.23, 0.34, 0. 43, 0. 27 , 0. 35, 0.4
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 6
Parameter
Symbol
Min
Typ
Max
Unit
Ref.
Receiver (per Lane)
Signaling Speed per Lane
10.5
GBd
3
Center wa vel e ngt h
840
860
nm
Da mage Threshold
DT
3.4
dBm
Average Receive Power per Lane
RXPx
-9.5
2.4
dBm
Receive Power (OMA) per Lane
RxOMA
3.0
dBm
Stressed Receiver Sensitivity (OMA)
per Lane
SRS
-5.4
dBm
Peak Power, per lane
PPx
4
dBm
Receiver Reflectance
Rfl
-12
dB
Vertical eye closure penalty, per lane
1.9
dB
Stressed eye J2 jitter, per Lane
0.3
UI
Stressed eye J9 jitter, per Lane
0.47
UI
OMA of each aggressor lane
-0.4
dBm
Rx jitte r tolerance: Jitter freque ncy
and p-p amplitude
(75, 5)
kHz, UI
(375, 1)
kHz, UI
LOS De-Assert
LOSD
-12
dBm
LOS Assert
LOSA
-30
dBm
LOS Hysteresis
0.5
dBm
Notes:
1. Transmitter consists of 4 lasers operating at a maximum rate of 10.5Gb/s each.
2. Even if TDP is <0.9dB, the OMA min must exceed this value.
3. Receiver consists of 4 photodetectors operating at a maximum rate of 10.5Gb/s each.
VI. Memory Map and Control Registers
Compatible with SFF-8436 1 and SFF-8636.2 Please see Finisar Application Note AN-
2079 6 for implementation details.
VII. Environmental Specifications
Finisar FTL410QE2N transceivers have an operating temperature range from -5°C to +85°C
case temperature.
Environmental Spe c ifications Symbol Min Typ Max Units Ref.
Top
-5
85
°C
Tsto
-40
85
°C
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 7
VIII. Regulatory Compliance
Finisar FTL410QE2N transceivers are RoHS-6 Compliant. Copies of certificates are
available at Finisar Corporation upon request.
FTL410QE2N transceiver modules are Class 1 laser eye safety compliant per IEC 60825-1.
IX. Mechanical Specifications
The FTL410QE2N mechanical specifications are compliant to the QSFP+ MSA transceiver
module specifications.
Figure 3 – FTL410QE2N mechanical drawing
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 8
Figure 4 – FTL410QE2N product label
Figure 5 – FTL410QE2N o pt ic al lane assignment
(front view of MPO receptacle)
Ch 0
Ch 1
Ch 2
Ch 3
Ch 3
Ch 2
Ch 1
Ch 0
FTL410QE2N Product Specification
Finisar Corpor ation October 2015 Rev. D1 Page 9
X. References
1. SFF-8436 – Specification for QSFP+ Copper and Optical Transceiver, Rev 4.8,
October 2013.
2. SFF-8636 – Specification for Common Management Interface, Rev 1.7, January
2014.
3. IEEE 802.3ba – PMD Type 40GBASE-SR4.
4. Directive 2011/65/EU of the European Council Parliament and of the Council, “on
the restriction of the use of certain hazardous substances in electrical and electronic
equipment”. Certain products may use one or more exemptions as allowed by the
Directive.
5. “Application Note AN-2038: Finisar Implementation of RoHS Compliant
Transceivers”.
6. “Application Note AN-2079: QSFP Module EEPROM Mapping”, Rev. G, Finisar
Corporation, May, 2013.
XI. For More Information
Finisar Corporation
1389 Moffett Park Drive
Sunnyvale, CA 94089-1133
Tel. 1-408-548-1000
Fax 1-408-541-6138
sales@finisar.com
www.finisar.com