Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential Page 1
Product Specification
100m 100G QSFP28 SWDM4 Optical Transceiver
FTLC9152RGPL
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 100m on
OM4 Duplex Multimode Fiber
(MMF)
4x25Gb/s 850mm VCSEL-based
transmitter
4x25G CAUI-4 electrical interface
Duplex LC receptacles
I2C management interface
APPLICATIONS
100G Ethernet over Duplex MMF
Finisar’s FTLC9152RGPL 100G QSFP28 transceiver modules are designed for use in
100G Ethernet links over duplex multimode fiber. They are compliant with the QSFP28
MSA
1
and IEEE 802.3bm CAUI-4
2
. Digital diagnostics functions are available via the
I2C interface, as specified by the QSFP28 MSA
1
and Finisar Application Note AN-
2167
5
. The transceiver is RoHS-6 compliant per Directive 2011/65/EU
3
, and Finisar
Application Note AN-2038
4
.
PRODUCT SELECTION
FTLC9152RGPL
R: 100G Ethernet maximum bit rate (103.1Gb/s)
G: 4x25G coarse SWDM optics
P: Pull tab release
L: LC receptacles
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential 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
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential 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 standard operating range (see Section
VI). Exceeding the limits below may damage the transceiver module permanently.
Parameter Symbol Min Typ Max Unit Ref.
Maximum Supply Voltage
Vcc
-0.5
3.6
V
Storage Temperature T
S
-40 85
C
Case Operating Temperature T
OP
0 70
C
1
Relative Humidity
RH
15
85
%
Receiver Damage Threshold, per Lane
P
Rdmg
3.8
dBm
Notes:
1. Temporary excursions case operating temperature of -5 to -75 C not exceeding 72 hours.
2. Non-condensing.
III. Electrical Characteristics
(EOL, T
OP
= 0 to 70 C, V
CC
= 3.135 to 3.465 Volts)
Parameter Symbol Min Typ Max Unit Ref.
Supply Voltage
Vcc
3.135
3.465
V
Supply Current
Icc
1.5
A
Module total power
P
3.5
W
Transmitter
Signaling rate per lane
25.78125 ± 100ppm
Gb/s
Differential pk-pk input voltage
tolerance
Vin,pp,diff
900 mV
Single-ended voltage tolerance
Vin,pp
-0.35
+3.3
V
Module stress input test Per Section 83E.3.4.1, IEEE
802.3bm
Receiver
Signaling rate per lane
25.78125 ± 100ppm
Gb/s
Differential data output swing Vout,pp
100
400
mVpp 2
300
600
400
600
800
600
1200
Eye width
0.57
UI
Eye height, differential
228
mV
Vertical eye closure
VEC
5.5
dB
Transition time (20% to 80%)
t
r,
t
f
12
ps
Notes:
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential Page 4
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 Range 2 (400 – 800 mV).
IV. Optical Characteristics
(EOL, T
OP
= 0 to 70C, V
CC
= 3.135 to 3.465 Volts)
Parameter Symbol λ1 λ2
λ3
λ4
Unit Ref.
Transmitter
Signaling Speed per Lane
25.78125 ± 100ppm
Gb/s
Lane center wavelengths (range)
λ
850
880
910
940
nm
RMS Spectral Width
SW
0.59
0.59
0.59
0.59
nm
Tx
OMA
min at max TDEC
-3
-3
-3
-2.9
dBm
TDEC (OM3)
TDEC
3.3
3.5
3.7
4.2
dB
Tx
OMA
- TDEC
P-TDEC
-6.3
-6.5
-6.7
-7.1
dBm
Tx
OMA
min
TxOMA
-5.5
-5.5
-5.5
-5.5
dBm
Relative Intensity Noise
RIN
-130
dB/Hz
Optical Extinction Ratio
ER
2
2
2
2
dB
Optical Return Loss Tolerance
ORL
12
dB
Average launch power of OFF
transmitter, per lane
-30 dBm
Transmitter eye mask definition {X1,
X2, X3, Y1, Y2, Y3}
{0.3,0.38,0.45,0.35,0.41,0.5} 3
Receiver
Signaling Speed per Lane
25.78125 ± 100ppm
GBd
Lane center wavelengths (range)
λ
850
880
910
940
nm
Damage Threshold
DT
3.8
3.8
3.8
3.8
dBm
Average Receive Power per Lane
(min)
RXP
min
-9.5 -9.4 -9.4 -9.4 dBm
Average Receive Power per Lane
(max)
RXP
max
3.4 3.4 3.4 3.4 dBm
Receiver Reflectance (max)
Rfl
-12
dB
Stressed Receiver Sensitivity (OMA)
per Lane
SRS -5.2 -5.2 -5.2 -5.2 dBm 5
Back to Back Receiver Sensitivity
(OMA) per Lane
RxSens -8.2 -8.4 -8.6 -8.8 dBm 6
Stressed Conditions:
Stressed eye closure
SEC
3.3
3.5
3.7
4.2
dB
Stressed eye J2 jitter
J2
0.39
UI
Stressed eye J4 jitter
J4
0.53
UI
Stressed Receiver Eye Mask
Definition {X1, X2, X3, Y1, Y2,
Y3}
{0.28,0.5,0.5,0.33,0.33,0.4}
7
LOS De-Assert (max)
LOS
D
-11
dBm
LOS Assert (min)
LOS
A
-30
dBm
LOS Hysteresis
0.5
dB
Notes:
1. Transmitter consists of 4 lasers and a 4:1 optical multiplexer.
2. Informative, link controlled by TDEC
3. Hit Ratio 1.5 x 10
-3
hits/sample.
4. Receiver consists of a 1:4 optical de-multiplexer and 4 photodetectors.
5. 5 x 10
-5
BER (pre-FEC).
6. Unstressed receiver sensitivity is information, and assumes 5 x 10
-5
BER (pre-FEC).
7. Hit Ratio 5 x 10
-5
hits/sample.
8. DC values.
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential Page 5
V. Link Budget
Parameter Symbol Min Typ Max Units Ref.
Bit Rate (all wavelengths combined) BR 103.10 Gb/s
Bit Error Rate BER 5x10
-5
1
Insertion Loss IL 1.8 dB 2
Maximum Supported Distances
Fiber Type
OM3 MMF
Lmax1
75
m
3
OM4 MMF
Lmax2
100
m
3
OM5 MMF
Lmax3
150
m
3
Notes:
1. Tested with a 2
31
– 1 PRBS at 25.78125 Gb/s
2. 850 nm channel can tolerate 1.9 dB insertion loss
3. Specified at 103.1Gb/s. Requires RS-FEC on the host to support maximum distance.
VI. Environmental Specifications
Finisar FTLC9152 QSFP28 transceivers have a commercial operating case temperature
range of 0°C to +70°C. They can support temporary excursions to case temperatures of
-5°C and +75°C without permanent damage (see Section II).
Parameter Symbol Min Typ Max Units Ref.
Case Operating Temperature T
op
0 70 °C
Storage Temperature T
sto
-40 85 °C
VII. Regulatory Compliance
Finisar FTLC9152 QSFP28 transceivers are Class 1 Laser Products. They are certified
per the following standards:
Feature Agency Standard
Laser Eye
Safety
FDA/CDRH 21CFR1040.10 and Laser Notice 50
Laser Eye
Safety
CSA IEC 60825-1:2014
Electrical
Safety
CSA IEC 60950-1:2006+A1+A2
Electrical
Safety
UL/CSA
CLASS 3862.13
CLASS 3862.93
Copies of the referenced certificates to be available at Finisar Corporation upon request.
VIII. Digital Diagnostics Functions
FTLC9152 QSFP28 transceivers support the I2C-based diagnostics interface specified by
the QSFP28 MSA
1
. See Finisar Application Note AN-2167
5
.
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential Page 6
IX. Memory Contents
Per the QSFP28 MSA
1
. See Finisar Application Note AN-2167
5
.
XI. Mechanical Specifications
Finisar FTLC9152 QSFP28 transceivers are compatible with the QSFP28 MSA.
1
The
pull tab color is grey (Pantone 424U).
Figure 2. FTLC9152RGPL Mechanical Dimensions.
Figure 3. FTLC9152RGPL Product label (not to scale)
FTLC9152RGPL Product Specification – September 2017
Finisar Corporation – 23-Sep-17 Rev. B1 Finisar Confidential Page 7
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
iii. SFF-8636
iv. SFF-8662
v. SFF-8663
vi. SFF-8672
vii. SFF-8683
2. IEEE 802.3bm, CAUI-4 interface.
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-2167, Finisar Corporation.
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