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FEATURE
l Hot pluggable QSFP28 MSA form factor
l Compliant to IEEE 802.3ba 100GBASE-LR4
l Up to 10km reach for G.652 SMF
l Single +3.3V power supply
l Operating case temperature: 0~70oC
l Transmitter: cooled 4x25Gb/s LAN WDM TOSA (1295.56, 1300.05, 1304.58, 1309.14nm)
l Receiver: 4x25Gb/s PIN ROSA
l 4x28G Electrical Serial Interface (CEI-28G-VSR)
l Maximum power consumption 4.0W
l Duplex LC receptacle
l RoHS-6 compliant
APPLICATIONS
l 100GBASE-LR4 Ethernet Links
l Infiniband QDR and DDR interconnects
Outline drawing
OPTICAL CHARACTERISTICE
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||||
|
Lane Wavelength |
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 |
|
||||
|
OMA, each Lane |
POMA |
-1.3 |
|
4.5 |
dBm |
1 |
||||
|
Difference in Launch Power |
Ptx,diff |
|
|
5 |
dB |
|
||||
|
between any Two Lanes (OMA) |
|
|
|
|
|
|
||||
|
Launch Power in OMA minus
Transmitter and Dispersion Penalty
(TDP), each Lane |
|
-2.3 |
|
|
dBm |
|
||||
|
TDP, each Lane |
TDP |
|
|
2.2 |
dB |
|
||||
|
Extinction Ratio |
ER |
4 |
|
|
dB |
|
||||
|
RIN20OMA |
RIN |
|
|
-130 |
dB/Hz |
|
||||
|
Optical Return Loss Tolerance |
TOL |
|
|
20 |
dB |
|
||||
|
Transmitter Reflectance |
RT |
|
|
-12 |
dB |
|
||||
|
Eye Mask{X1, X2, X3, Y1, Y2, Y3} |
|
{0.25, 0.4, 0.45, 0.25, 0.28, 0.4} |
|
2 |
||||||
|
Average Launch Power OFF Transmitter, each Lane |
Poff |
|
|
-30 |
dBm |
|
||||
|
Receiver |
||||||||||
|
Damage Threshold, each Lane |
THd |
5.5 |
|
|
dBm |
3 |
||||
|
Total Average Receive Power |
|
|
|
10.5 |
dBm |
|
||||
|
Average Receive Power, each Lane |
|
-10.6 |
|
4.5 |
dBm |
|
||||
|
Receive Power (OMA), each Lane |
|
|
|
4.5 |
dBm |
|
||||
|
Receiver Sensitivity (OMA), each Lane |
SEN |
|
|
-8.6 |
dBm |
|
||||
|
Stressed Receiver Sensitivity (OMA), each Lane |
|
|
|
-6.8 |
dBm |
4 |
||||
|
Receiver Reflectance |
RR |
|
|
-26 |
dB |
|
||||
|
Difference in Receive Power
between any Two Lanes (OMA) |
Prx,diff |
|
|
5.5 |
dB |
|
||||
|
LOS Assert |
LOSA |
|
-18 |
|
dBm |
|
||||
|
LOS Deassert |
LOSD |
|
-15 |
|
dBm |
|
||||
|
LOS Hysteresis |
LOSH |
0.5 |
|
|
dB |
|
||||
|
Receiver Electrical 3 dB upper
Cutoff Frequency, each Lane |
Fc |
|
|
31 |
GHz |
|
||||
|
Conditions of Stress Receiver Sensitivity Test (Note 5) |
||||||||||
|
Vertical Eye Closure Penalty, each Lane |
|
|
1.8 |
|
dB |
|
||||
|
Stressed Eye J2 Jitter, each Lane |
|
|
0.3 |
|
UI |
|
||||
|
Stressed Eye J9 Jitter, each Lane |
|
|
0.47 |
|
UI |
|
||||
Notes:
1. Even if the TDP < 1 dB, the OMA min must exceed the minimum value specified here.
2. See Figure 4 below.
3. The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
4. Measured with conformance test signal at receiver input for BER = 1x10-12.
5. Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity. They are not characteristics of the receiver.
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