Hot pluggable QSFP28 MSA form factor
1 Features
1.1 Hot pluggable QSFP28 MSA form factor
1.2 Compliant to IEEE802.3ba 100GBASE-LR4
1.3 Supports103.1Gb/s aggregate bit rate
1.4 Up to10km reach for G.652 SMF
1.5 Single +3.3V power supply
1.6 Operating case temperature:0~70°C
1.7 Transmitter: cooled 4x25Gb/s LANWDM DFB TOSA(1295.56,1300.05,1304.58,1309.14nm)
1.8 Maximum power consumption 4.0W
1.9 Duplex LC receptacle
1.10 RoHS-6 compliant
2.1 100GBASE-LR4 Ethernet Links
2.2 Infiniband QDR and DDR interconnects
2.3 Data center and Enterprise networking
2.4 Optical Characteristics
|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Note |
|
Wavelength Assignment |
L0 |
1294.53 |
1295.56 |
1296.59 |
nm |
|
|
L1 |
1299.02 |
1300.05 |
1301.09 |
nm |
|
|
|
L2 |
1303.54 |
1304.58 |
1305.63 |
nm |
|
|
|
L3 |
1308.09 |
1309.14 |
1310.19 |
nm |
|
|
|
Transmitter |
||||||
|
Side Mode Suppression Ratio |
SMSR |
30 |
|
|
dB |
|
|
Total Average Launch Power |
PT |
|
|
10.5 |
dBm |
|
|
Average Launch Power, Each Lane |
PAVG |
-4.3 |
|
4.5 |
dBm |
|
|
Extinction Ratio |
ER |
4 |
|
|
dB |
|
|
Average Launch Power OFF Transmitter, each Lane |
Poff |
|
|
-30 |
dBm |
|
|
Receiver |
||||||
|
Damage Threshold, each Lane |
THd |
5.5 |
|
|
dBm |
|
|
Average Receive Power, Each Lane |
|
-10.6 |
|
4.5 |
dBm |
|
|
Receiver Sensitivity,each Lane |
SEN |
|
|
-10.6 |
dBm |
5.3.1 |
|
Receiver Reflectance |
RR |
|
|
-26 |
dBm |
|
|
LOSAssert |
LOSA |
-30 |
|
|
dBm |
|
|
LOSDeassert |
LOSD |
|
|
-13 |
dBm |
|
|
LOS Hysteresis |
LOSH |
0.5 |
|
|
dB |
|
Note5.3.1:Measuredwith25.78GbpsPRBS231-1BER=5x10-5.
3.1 Pin Diagram
3.2 Pin Descriptions
|
Pin# |
Logic |
Name |
Function |
Notes |
|
1 |
|
GND |
Ground |
1 |
|
2 |
CML-I |
Tx2n |
Transmitter Inverted Data Input |
|
|
3 |
CML-I |
Tx2p |
Transmitter Non-Inverted Data output |
|
|
4 |
|
GND |
Ground |
1 |
|
5 |
CML-I |
Tx4n |
Transmitter Inverted Data Input |
|
|
6 |
CML-I |
Tx4p |
Transmitter Non-Inverted Data output |
|
|
7 |
|
GND |
Ground |
1 |
|
8 |
LVTLL-I |
ModSelL |
Module Select |
|
|
9 |
LVTLL-I |
ResetL |
Module Reset |
|
|
10 |
|
VccRx |
+3.3V Power Supply Receiver |
2 |
|
11 |
LVCMOS-I/O |
SCL |
2-Wire Serial Interface Clock |
|
|
12 |
LVCMOS-I/O |
SDA |
2-Wire Serial Interface Data |
|
|
13 |
|
GND |
Ground |
|
|
14 |
CML-O |
Rx3p |
Receiver Non-Inverted Data Output |
|
|
15 |
CML-O |
Rx3n |
Receiver Inverted Data Output |
|
|
16 |
|
GND |
Ground |
1 |
|
17 |
CML-O |
Rx1p |
Receiver Non-Inverted Data Output |
|
|
18 |
CML-O |
Rx1n |
Receiver Inverted Data Output |
|
|
19 |
|
GND |
Ground |
1 |
|
20 |
|
GND |
Ground |
1 |
|
21 |
CML-O |
Rx2n |
Receiver Inverted Data Output |
|
|
22 |
CML-O |
Rx2p |
Receiver Non-Inverted Data Output |
|
|
23 |
|
GND |
Ground |
1 |
|
24 |
CML-O |
Rx4n |
Receiver Inverted Data Output |
1 |
|
25 |
CML-O |
Rx4p |
Receiver Non-Inverted Data Output |
|
|
26 |
|
GND |
Ground |
1 |
|
27 |
LVTTL-O |
ModPrsL |
Module Present |
|
|
28 |
LVTTL-O |
IntL |
Interrupt |
|
|
29 |
|
VccTx |
+3.3V Power Supply transmitter |
2 |
|
30 |
|
Vcc1 |
+3.3V Power Supply |
2 |
|
31 |
LVTTL-I |
LPMode |
Low Power Mode |
|
|
32 |
|
GND |
Ground |
1 |
|
33 |
CML-I |
Tx3p |
Transmitter Non-Inverted Data Input |
|
|
34 |
CML-I |
Tx3n |
Transmitter Inverted Data Output |
|
|
35 |
|
GND |
Ground |
1 |
|
36 |
CML-I |
Tx1p |
Transmitter Non-Inverted Data Input |
|
|
37 |
CML-I |
Tx1n |
Transmitter Inverted Data Output |
|
|
38 |
|
GND |
Ground |
1 |
Notes: Module circuit ground is isolated from module chassis ground within the module.GND is the symbol for signal and supply(power) common for QSFP28 modules.
4 Ordering information
|
Part Number |
Product Description |
|
HD-QSFP28/100G-LR4 |
QSFP28 LR4 10km optical module with full real-time digital diagnostic monitoring And pulltab. |

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