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Thông số:
Transmitter Optical Specifications
Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
Wavelength L0 | λC0 | 1264.5 | 1271 | 1277.5 | nm | |
Wavelength L1 | λC1 | 1284.5 | 1291 | 1297.5 | nm | |
Wavelength L2 | λC2 | 1304.5 | 1311 | 1317.5 | nm | |
Wavelength L3 | λC3 | 1324.5 | 1331 | 1337.5 | nm | |
Side Mode Suppression Ratio | SMSR | 30 | – | – | dB | |
Average Launch Power, each lane | AOPL | -3.3 | – | 3.5 | dBm | 1 |
Outer Optical Modulation Amplitude (OMAouter), each lane | TOMA | -0.3 | – | 3.7 | dBm | 2 |
Difference in launch power between any two lanes (OMAouter) | DP | – | – | 4 | dB | |
Launch Power in OMAouterminus TDECQ for ER ≥4.5dB, each lane | TOMA-TDECQ | -1.7 | – | – | dBm | |
Launch Power in OMAouterminus TDECQ for ER <4.5dB, each lane | TOMA-TDECQ | -1.6 | – | – | dBm | |
Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane | TDECQ | – | – | 3.4 | dB | |
TDECQ – 10*log10(Ceq), each lane | – | – | 3.4 | dB | ||
Average Launch Power of OFF Transmitter, each lane | TOFF | – | – | -20 | dBm | |
Extinction Ratio, each lane | ER | 3.5 | – | – | dB | |
Transmitter transition time | TT | – | – | 17 | ps | |
RIN17.1OMA | RIN | – | – | -136 | dB/Hz | |
Optical Return Loss Tolerance | ORL | – | – | 17.1 | dB | |
Transmitter Reflectance | TR | – | – | -26 | dB | 3 |
Note 1: Average launch power, each lane (min) is informative and not the principal indicator of signal strength.
Note 2: Even if the TDECQ < 1.4 dB for an extinction ratio of ≥ 4.5 dB or TDECQ < 1.3 dB for an extinction ratio of < 4.5 dB, the OMAouter
(min) must exceed this value.
Note 3: Transmitter reflectance is defined looking into the transmitter.
Receiver Optical Specifications
Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
Wavelength L0 | λC0 | 1264.5 | 1271 | 1277.5 | nm | |
Wavelength L1 | λC1 | 1284.5 | 1291 | 1297.5 | nm | |
Wavelength L2 | λC2 | 1304.5 | 1311 | 1317.5 | nm | |
Wavelength L3 | λC3 | 1324.5 | 1331 | 1337.5 | nm | |
Damage Threshold, each lane | AOPD | 4.5 | – | – | dBm | |
Average Receive Power, each lane | AOPR | -7.3 | – | 3.5 | dBm | 1 |
Receive Power (OMAouter), each lane | OMAR | – | – | 3.7 | dBm | |
Differencein receive power between any two lanes (OMAouter) | DR | – | – | 4.1 | dB | |
Receiver Reflectance | RR | – | – | -26 | dB | |
Receiver Sensitivity (OMAouter), each lane | SOMA | – | – | Max(-4.6, SECQ-6) | dBm | 2 |
Stressed Receiver Sensitivity (OMAouter), each lane | SRS | – | – | -2.6 | dBm | 3 |
Conditions of stressed receiver sensitivity test | ||||||
Stressed eye closure for PAM4 (SECQ) | – | – | 3.4 | – | dB | |
SECQ – 10*log10(Ceq), lane under test (max) | – | – | – | 3.4 | dB | |
OMAouterof each aggressor lane | – | – | 1.5 | – | dBm |
Note 1: Average receive power, each lane (min) is informative and not the principal indicator of signal strength.
Note 2: Receiver sensitivity (OMAouter), each lane (max) is informative and is defined for a transmitter with a value of SECQ up to 3.4 dB.
Note 3: Measured with conformance test signal at TP3 for the BER = 2.4×10-4
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