Finisar Corporation – 2-July-2016 Rev. B2 Page 1
Product Specification
10km 100GBASE-LR4 QSFP28 Optical Transceiver Module
FTLC1151RDPL
PRODUCT FEATURES
Hot-pluggable QSFP28 form factor
Supports 103.1Gb/s aggregate bit
rate
Power dissipation < 3.5W
RoHS-6 compliant
Commercial case temperature range
of 0°C to 70°C
Single 3.3V power supply
Maximum link length of 10km on
Single Mode Fiber (SMF)
4x26Gb/s DFB-based
LAN-WDM transmitter
4x26G retimed electrical interface
Duplex LC receptacles
I2C management interface
APPLICATIONS
100GBASE-LR4 100G Ethernet
Finisar’s FTLC1151RDPL QSFP28 transceiver modules are designed for use in 100
Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the
QSFP28 MSA1, IEEE 802.3ba 100GBASE-LR42 and IEEE 802.3bm CAUI-46. Digital
diagnostic functions are available via the I2C interface, as specified by the QSFP28 MSA
and Finisar Application Note AN-21525. The transceiver is RoHS-6 compliant per
Directive 2011/65/EC3 and Finisar Application Note AN-20384.
PRODUCT SELECTION
FTLC1151RDPL
R: 100GE-LR4 maximum bit rate (103.1 Gb/s)
D: 4x26G LAN-WDM optical architecture
P: Pull-tab release
L: LC straight receptacles
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 2
I. Pin Descriptions
Figure 1 – QSFP28-compliant 38-pin connector (per SFF-8679)
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
27
ModPrsL
Module Present
28
IntL
Interrupt
29
Vcc Tx
+3.3 V Power supply transmitter
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 3
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 isolated from chassis ground.
II. Absolute Maximum Ratings
Module performance is not guaranteed beyond the operating range (see Section VI).
Exceeding the limits below may damage the transceiver module permanently.
Parameter
Symbol
Min
Max
Unit
Ref.
Maximum Supply Voltage
Vcc
-0.5
3.6
V
Storage Temperature
TS
-40
+85
C
Case Operating Temperature
TOP
0
+70
C
Relative Humidity
RH
15
85
%
1
Receiver Damage Threshold, per Lane
PRdmg
5.5
dBm
Notes:
1. Non-condensing.
III. Electrical Characteristics (EOL, TOP = 0 to +70 C, VCC = 3.135 to 3.465 Volts)
Parameter
Symbol
Min
Max
Unit
Ref.
Supply Voltage
Vcc
3.135
3.465
V
Supply Current
Icc
1.12
A
Module total power
P
3.5
W
1
Transmitter
Signaling rate per lane
25.78125 ± 100 ppm
GBd
Differential data input swing per lane
Vin,pp
900
mV
Differential input return loss (min)
RLd(f)
9.5 – 0.37f, 0.01≤f<8
4.75 – 7.4log10(f/14), 8 ≤f<19
dB
Differential to common mode input
return loss (min)
RLdc(f)
22-20(f/25.78), 0.01≤f<12.89
15-6(f/25.78), 12.89≤f<19
dB
Differential termination mismatch
10
%
Stressed input parameters
Eye width
UI
Applied pk-pk sinusoidal jitter
Per IEEE 802.3bm Table 88-13
Eye height
mV
DC common mode voltage
-350
2850
mV
Receiver
Signaling rate per lane
25.78125 ± 100 ppm
GBd
Differential data output swing
Vout,pp
100
400
mVpp
2
300
600
400
800
600
1200
Eye width
0.57
UI
Vertical eye closure
5.5
dB
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 4
Differential output return loss (min)
RLd(f)
9.5 – 0.37f, 0.01≤f<8
4.75 – 7.4log10(f/14), 8 ≤f<19
dB
Common to differential mode
conversion return loss (min)
RLdc(f)
22-20(f/25.78), 0.01≤f<12.89
15-6(f/25.78), 12.89≤f<19
dB
Differential termination mismatch
10
%
Transition time, 20% to 80%
tr tf
12
ps
Notes:
1. Maximum total power value is specified across the full temperature and voltage range.
2. Output voltage is settable in 4 discrete ranges via I2C. Default range is 400 – 800 mV.
IV. Optical Characteristics (EOL, TOP = 0 to +70 C, VCC = 3.135 to 3.465 Volts)
Parameter
Symbol
Min
Max
Unit
Ref.
Transmitter
Signaling Speed per Lane
25.78125 ± 100 ppm
Gb/s
1
Lane center wavelengths (range)
1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
nm
Total Average Launch Power
POUT
10.5
dBm
Transmit OMA per Lane
TxOMA
-1.3
4.5
dBm
Average Launch Power per Lane
TXPx
-4.3
4.5
dBm
2,7
Optical Extinction Ratio
ER
4
dB
Sidemode Suppression ratio
SSRmin
30
dB
Average launch power of OFF
transmitter, per lane
-30
dBm
Relative Intensity Noise
RIN
-130
dB/Hz
Optical Return Loss Tolerance
20
dB
Transmitter Reflectance
-12
dB
Transmitter eye mask definition {X1,
X2, X3, Y1, Y2, Y3}
{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}
3
Receiver
Signaling Speed per Lane
25.78125 ± 100 ppm
GBd
4
Lane center wavelengths (range)
1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
nm
Receive Power (OMA) per Lane
RxOMA
4.5
dBm
Average Receive Power per Lane
RXPx
-10.6
4.5
dBm
5,7
Receiver Sensitivity (OMA) per Lane
Rxsens
-8.6
dBm
Return Loss
RL
-26
dB
Stressed Receiver Sensitivity (OMA)
per Lane
SRS
-6.8
dBm
6
Receive electrical 3 dB upper cutoff
frequency, per lane
31
GHz
LOS De-Assert
LOSD
-11.6
dBm
LOS Assert
LOSA
-24
-13.6
dBm
LOS Hysteresis
dBm
Notes:
1. Transmitter consists of 4 lasers operating at 25.78Gb/s each.
2. Minimum value is informative.
3. Hit ratio 5x10-5.
4. Receiver consists of 4 photodetectors operating at 25.78Gb/s each.
5. Minimum value is informative, equals min TxOMA with infinite ER and max channel insertion loss.
6. SRS is measured with vertical eye closure penalty of 1.8 dB max, J2 of 0.30 UI, and J9 of 0.47 UI.
7. Power value and power accuracy are with all channels on.
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 5
V. General Specifications
Parameter
Symbol
Min
Typ
Max
Units
Ref.
Bit Rate (all wavelengths combined)
BR
103.1
Gb/s
1
Bit Error Ratio @25.78Gb/s
BER
10-12
2
Maximum Supported Distances
Fiber Type
SMF per G.652
Lmax
10
km
Notes:
1. Supports 100GBASE-LR4 per IEEE 802.3ba.
2. Tested with a 231 – 1 PRBS.
VI. Environmental Specifications
Finisar FTLC1151RDPL QSFP28 transceivers have an operating case temperature range
of 0°C to +70°C.
Parameter
Symbol
Min
Typ
Max
Units
Ref.
Case Operating Temperature
Top
0
+70
°C
Storage Temperature
Tsto
-40
+85
°C
VII. Regulatory Compliance
Finisar FTLC1151RDPL QSFP28 transceivers are Class 1 Laser Products. They are
certified per the following standards:
Feature
Agency
Standard
Laser Eye
Safety
FDA/CDRH
CDRH 21 CFR 1040 and Laser Notice
50
Laser Eye
Safety
TÜV
EN 60825-1: 2007
IEC 60825-2: 2004+A1+A2
Electrical
Safety
TÜV
EN 60950
Electrical
Safety
UL/CSA
CLASS 3862.07
CLASS 3862.87
Copies of the referenced certificates are available at Finisar Corporation upon request.
VIII. Digital Diagnostics Functions
FTLC1151RDPL QSFP28 transceivers support the I2C-based diagnostics interface
specified by the SFF Commitee1. See also Finisar Application Note AN-21525.
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 6
IX. Memory Contents
Per SFF-8665 Specification1. See Finisar Application Note AN-21525.
XI. Mechanical Specifications
Finisar FTLC1151RDPL transceivers are compatible with the QSFP28 Specification for
pluggable form factor modules.
Figure 2. FTLC1151RDPL Mechanical Dimensions.
Figure 3. Product Label (Not to Scale)
XII. References
1. SFF-8665: “QSFP+ 28Gb/s 4X Pluggable Transceiver Solution (QSFP28)”, Rev 1.9,
June 29, 2015 (and associated SFF documents)
i. SFF-8661
ii. SFF-8679
FTLC1151RDPL Product Specification – July 2016
Finisar Corporation – 2-July-2016 Rev. B2 Page 7
iii. SFF-8636
iv. SFF-8662
v. SFF-8663
vi. SFF-8672
vii. SFF-8683
2. IEEE 802.3ba, PMD Type 100GBASE-LR4.
3. Directive 2011/65/EU of the European Parliament and of the Council, “on the
restriction of the use of certain hazardous substances in electrical and electronic
equipment,” July 1, 2011.
4. “Application Note AN-2038: Finisar Implementation Of RoHS Compliant
Transceivers”, Finisar Corporation, January 21, 2005.
5. “Application Note AN-2152: QSFP28 LR4 NVR Map”, Finisar Corporation, July,
2016.
6. IEEE 802.3bm, Annex 83E, CAUI-4 Interface.
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