Finisar Corporation – 7-May-2016 Rev. B1 Page 1
Product Specification
100G CWDM4 QSFP28 Optical Transceiver Module
FTLC1152RGPL
PRODUCT FEATURES
Hot-pluggable QSFP28 form factor
Supports 103.1Gb/s aggregate bit
rate
Power dissipation < 3.5W
RoHS-6 compliant
Case temperature range of 0°C to
+70°C
Single 3.3V power supply
Loss budget of 5 dB on up to 2 km
of Single Mode Fiber (SMF) [with
KR4 FEC]
4x25Gb/s CWDM transmitter
4x25G retimed electrical interface
Duplex LC receptacles
I2C management interface
APPLICATIONS
100G CWDM4 applications with FEC
Finisar’s FTLC1152RGPL QSFP28 transceiver modules are designed for use in 100
Gigabit Ethernet links on up to 2 km of single mode fiber. They are compliant with the
QSFP28 MSA
1
, CWDM4 MSA
2
and portions of IEEE P802.3bm
6
. Digital diagnostics
functions are available via the I2C interface, as specified by the QSFP28 MSA and
Finisar Application Note AN-2153
5
. The transceiver is RoHS-6 compliant and lead-free
per Directive 2011/65/EC
4
and Finisar Application Note AN-2038
5
.
PRODUCT SELECTION
FTLC1152RGPL
R: Ethernet maximum bit rate (103.1 Gb/s)
G: 4x26G CWDM optical architecture
P: Pull-tab release
L: LC straight receptacles
FTLC1152RGPL Product Specification – May 2016
Finisar Corporation – 7-May-2016 Rev. B1 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