Ø Compliant with IEEE std 802.3cnTM-2019:
- 400GBASE-ER8 optical interface
- 400GAUI-8 electrical interface
Ø Compliant with QSFP-DD MSA HW Rev 5.1 with duplex LC connector
Ø Compliant with QSFP-DD CMIS Rev 4.0
400GBASE-ER8
QSFP-DD 1310nm 40km Transceiver
Features
Ø Compliant with IEEE std 802.3cnTM-2019:
- 400GBASE-ER8 optical interface
- 400GAUI-8 electrical interface
Ø Compliant with QSFP-DD MSA HW Rev 5.1 with duplex LC connector
Ø Compliant with QSFP-DD CMIS Rev 4.0
Ø Case operating temperature 0°C to 70°C
Ø Two wire serial Interface with digital diagnostic monitoring
Ø Complies with EU Directive 2011/65/EU (RoHS compliant)
Ø Class 1/1M Laser
Application
► Fiber Channel Switch Infrastructure
► Router/Server interface
► Other optical transmission systems
Transmitter Optical Specifications
|
||||||
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Wavelength L0 |
λC0 |
1272.55 |
1273.55 |
1274.54 |
nm |
|
Wavelength L1 |
λC1 |
1276.89 |
1277.89 |
1278.89 |
nm |
|
Wavelength L2 |
λC2 |
1281.25 |
1282.26 |
1283.27 |
nm |
|
Wavelength L3 |
λC3 |
1285.65 |
1286.67 |
1287.68 |
nm |
|
Wavelength L4 |
λC4 |
1294.53 |
1295.56 |
1296.59 |
nm |
|
Wavelength L5 |
λC5 |
1299.02 |
1300.06 |
1301.09 |
nm |
|
Wavelength L6 |
λC6 |
1303.54 |
1304.59 |
1305.63 |
nm |
|
Wavelength L7 |
λC7 |
1308.09 |
1309.14 |
1310.19 |
nm |
|
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
|
Total Average Launch Power |
AOPT |
- |
- |
14.6 |
dBm |
|
Average Launch Power, each lane |
AOPL |
-0.6 |
- |
5.6 |
dBm |
1 |
Outer Optical Modulation Amplitude (OMAouter), each Lane |
TOMA |
2.4 |
- |
6.4 |
dBm |
|
Difference in Launch Power between any two Lanes (OMAouter) |
DT_OMA |
- |
- |
4 |
dB |
|
Launch Power in
OMAouter minus TDECQ, |
TOMA-TDECQ |
1 |
- |
- |
dBm |
|
Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane |
TDECQ |
- |
- |
3.4 |
dB |
|
TDECQ –10log10(Ceq) |
- |
- |
- |
3.4 |
dB |
|
Average Launch Power
of OFF Transmitter, |
TOFF |
- |
- |
-30 |
dBm |
|
Extinction Ratio |
ER |
6 |
- |
- |
dB |
|
RIN15OMA |
RIN |
- |
- |
-132 |
dB/Hz |
|
Optical Return Loss Tolerance |
ORL |
- |
- |
15 |
dB |
|
Transmitter Reflectance |
TR |
- |
- |
-26 |
dB |
2 |
Note 1: Average launch power, each lane (min) is informative and not the principal indicator of signal strength
Note 2: Transmitter reflectance is defined looking into the transmitter
Receiver Optical Specifications
|
||||||
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Wavelength L0 |
λC0 |
1272.55 |
1273.55 |
1274.54 |
nm |
|
Wavelength L1 |
λC1 |
1276.89 |
1277.89 |
1278.89 |
nm |
|
Wavelength L2 |
λC2 |
1281.25 |
1282.26 |
1283.27 |
nm |
|
Wavelength L3 |
λC3 |
1285.65 |
1286.67 |
1287.68 |
nm |
|
Wavelength L4 |
λC4 |
1294.53 |
1295.56 |
1296.59 |
nm |
|
Wavelength L5 |
λC5 |
1299.02 |
1300.06 |
1301.09 |
nm |
|
Wavelength L6 |
λC6 |
1303.54 |
1304.59 |
1305.63 |
nm |
|
Wavelength L7 |
λC7 |
1308.09 |
1309.14 |
1310.19 |
nm |
|
Damage Threshold, each Lane |
AOPD |
-3.4 |
- |
- |
dBm |
|
Average Receive Power, each Lane |
AOPR |
-18.6 |
- |
-4.4 |
dBm |
|
Receive Power (OMAouter), each Lane |
OMAR |
- |
- |
-3.6 |
dBm |
|
Difference in Receive Power between any two Lanes (OMAouter) |
DR_OMA |
- |
- |
5.8 |
dB |
|
Receiver Reflectance |
RR |
- |
- |
-26 |
dB |
|
Receiver Sensitivity (OMAouter), each Lane |
SOMA |
- |
- |
Max(–16.1, SECQ – 17.5) |
dBm |
1 |
Stressed
Receiver Sensitivity (OMAouter), |
SRS |
- |
- |
-14.1 |
dBm |
2 |
Conditions of stressed receiver sensitivity test: |
||||||
Stressed eye closure for PAM4 (SECQ), lane under test |
- |
- |
3.4 |
- |
dB |
|
SECQ – 10log10(Ceq),lane under test |
- |
- |
- |
3.4 |
dB |
|
OMAouter of each aggressor lane |
- |
- |
-8.3 |
- |
dBm |
|
Note 1: Receiver sensitivity (OMAouter), each lane (max) is informative and is defined for a transmitter with SECQ of 1.4 dB.
Note 2: Measured with conformance test signal at TP3 for the BER = 2.4x10-4
Ordering Information
|
||||
Part No. |
Application |
Data Rate |
Laser Source |
Distance |
LNK-QDD-400G-ER8-40 |
400GBASE-ER8 |
400GB Ethernet |
EML |
40km |