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
APPLICATIONS


4x26G retimed electrical interface

Duplex LC receptacles

I2C management interface
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 and IEEE 802.3ba 100GBASE-LR42 and IEEE 802.3bm CAUI-46.
Digital diagnostics 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/EC4 and Finisar Application Note AN-20385.
PRODUCT SELECTION
FTLC1151RDPL
R:
D:
P:
L:
100GE-LR4 maximum bit rate (103.1 Gb/s)
4x26G LAN-WDM optical architecture
Pull-tab release
LC straight receptacles
 Finisar Corporation – 7-May-2016 Rev. B1
Page 1
FTLC1151RDPL Product Specification – May 2016
I.
Pin Descriptions
Figure 1 – QSFP28-compliant 38-pin connector (per SFF-8679)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Symbol
GND
Tx2n
Tx2p
GND
Tx4n
Tx4p
GND
ModSelL
ResetL
Vcc Rx
SCL
SDA
GND
Rx3p
Rx3n
GND
Rx1p
Rx1n
GND
GND
Rx2n
Rx2p
GND
Rx4n
Rx4p
GND
ModPrsL
IntL
Vcc Tx
Name/Description
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Module Select
Module Reset
+3.3 V Power supply receiver
2-wire serial interface clock
2-wire serial interface data
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Ground
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Receiver Inverted Data Output
Receiver Non-Inverted Data Output
Ground
Module Present
Interrupt
+3.3 V Power supply transmitter
 Finisar Corporation – 7-May-2016 Rev. B1
Notes
1
1
1
1
1
1
1
1
1
Page 2
FTLC1151RDPL Product Specification – May 2016
30
31
32
33
34
35
36
37
38
Vcc1
LPMode
GND
Tx3p
Tx3n
GND
Tx1p
Tx1n
GND
+3.3 V Power Supply
Low Power Mode
Ground
Transmitter Non-Inverted Data Input
Transmitter Inverted Data Input
Ground
Transmitter Non-Inverted Data Input
Transmitter Inverted Data Input
Ground
1
1
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
Maximum Supply Voltage
Storage Temperature
Case Operating Temperature
Relative Humidity
Receiver Damage Threshold, per Lane
Symbol
Vcc
TS
TOP
RH
PRdmg
Min
-0.5
-40
0
15
5.5
Typ
Max
3.6
+85
+70
85
Unit
V
C
C
%
dBm
Ref.
1
Notes:
1. Non-condensing.
III.
Electrical Characteristics (EOL, TOP = 0 to +70 C, VCC = 3.135 to 3.465 Volts)
Parameter
Supply Voltage
Supply Current
Module total power
Transmitter
Signaling rate per lane
Differential data input swing per lane
Differential input return loss (min)
Differential to common mode input
return loss (min)
Differential termination mismatch
Stressed input parameters
Eye width
Applied pk-pk sinusoidal jitter
Eye height
DC common mode voltage
Receiver
Signaling rate per lane
Differential data output swing
Symbol
Vcc
Icc
P
Vin,pp
RLd(f)
RLdc(f)
Min
3.135
Typ
Max
3.465
1.12
3.5
25.78125 ± 100 ppm
900
9.5 – 0.37f, 0.01≤f<8
4.75 – 7.4log10(f/14), 8 ≤f<19
22-20(f/25.78), 0.01≤f<12.89
15-6(f/25.78), 12.89≤f<19
10
0.46
Per IEEE 802.3bm Table 88-13
95
-350
2850
Vout,pp
Eye width
 Finisar Corporation – 7-May-2016 Rev. B1
25.78125 ± 100 ppm
100
400
300
600
400
800
600
1200
0.57
Unit
V
A
W

GBd
mV
Ref.
1
dB
dB
%
UI
mV
mV

GBd
mVpp
2
UI
Page 3
FTLC1151RDPL Product Specification – May 2016
Vertical eye closure
Differential output return loss (min)
Common to differential mode
conversion return loss (min)
Differential termination mismatch
Transition time, 20% to 80%
RLd(f)
RLdc(f)
tr tf
5.5
9.5 – 0.37f, 0.01≤f<8
4.75 – 7.4log10(f/14), 8 ≤f<19
22-20(f/25.78), 0.01≤f<12.89
15-6(f/25.78), 12.89≤f<19
10
12
dB
dB
dB
%
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
Transmitter
Signaling Speed per Lane
Lane center wavelengths (range)
Symbol
Total Average Launch Power
Transmit OMA per Lane
Average Launch Power per Lane
Optical Extinction Ratio
Sidemode Suppression ratio
Average launch power of OFF
transmitter, per lane
Relative Intensity Noise
Optical Return Loss Tolerance
Transmitter Reflectance
Transmitter eye mask definition {X1,
X2, X3, Y1, Y2, Y3}
Receiver
Signaling Speed per Lane
Lane center wavelengths (range)
POUT
TxOMA
TXPx
ER
SSRmin
RIN
Min
Typ
Max
25.78125 ± 100 ppm
1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
10.5
-1.3
4.5
-4.3
4.5
4
30
-30
-130
20
-12
Unit

Gb/s
nm
dBm
dBm
dBm
dB
dB
dBm
1
2
dB/Hz
dB
dB
3
{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}
25.78125 ± 100 ppm
1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
Ref.

GBd
nm
4
Receive Power (OMA) per Lane
RxOMA
4.5
dBm
Average Receive Power per Lane
RXPx
-10.6
4.5
dBm
5
Receiver Sensitivity (OMA) per Lane
Rxsens
-8.6
dBm
Return Loss
RL
-26
dB
Stressed Receiver Sensitivity (OMA)
SRS
-6.8
dBm
6
per Lane
Receive electrical 3 dB upper cutoff
31
GHz
frequency, per lane
LOS De-Assert
LOSD
-11.6
dBm
LOS Assert
LOSA
-24
-13.6
dBm
LOS Hysteresis
1.5
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.
 Finisar Corporation – 7-May-2016 Rev. B1
Page 4
FTLC1151RDPL Product Specification – May 2016
V.
General Specifications
Parameter
Symbol
Bit Rate (all wavelengths combined)
BR
Bit Error Ratio @25.78Gb/s
BER
Maximum Supported Distances
Fiber Type
SMF per G.652
Lmax
Notes:
1. Supports 100GBASE-LR4 per IEEE 802.3ba.
2. Tested with a 231 – 1 PRBS.
VI.
Min
Typ
Max
103.1
10-12
Units
Gb/s
10
km
Ref.
1
2
Environmental Specifications
Finisar FTLC1151RDPL QSFP28 transceivers have an operating case temperature range
of 0°C to +70°C.
Parameter
Case Operating Temperature
Storage Temperature
VII.
Symbol
Top
Tsto
Min
0
-40
Typ
Max
+70
+85
Units
°C
°C
Ref.
Regulatory Compliance
Finisar FTLC1151RDPL QSFP28 transceivers are Class 1 Laser Products. They are
certified per the following standards:
Feature
Laser Eye
Safety
Laser Eye
Safety
Electrical
Safety
Electrical
Safety
Agency
FDA/CDRH
TÜV
Standard
CDRH 21 CFR 1040 and Laser Notice
50
EN 60825-1: 2007
IEC 60825-2: 2004+A1+A2
TÜV
EN 60950
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-2152.
 Finisar Corporation – 7-May-2016 Rev. B1
Page 5
FTLC1151RDPL Product Specification – May 2016
IX.
Memory Contents
Per SFF-8665 Specification1. See Finisar Application Note AN-2152.
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
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
 Finisar Corporation – 7-May-2016 Rev. B1
Page 6
FTLC1151RDPL Product Specification – May 2016
iii.
iv.
v.
vi.
vii.
SFF-8636
SFF-8662
SFF-8663
SFF-8672
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, January
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
 Finisar Corporation – 7-May-2016 Rev. B1
Page 7
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