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Description
Features of qdd 400g er4 30
- 125Gb/s electrical interface (400GAUI-8)
- Digital Diagnostics Monitoring Interface
- Up to 40km transmission oversingle-mode fiber with FEC
- Hot-pluggable QSFP-DD form factor
- Cooled EML laser with LWDM wavelength
- 4 channels APD ROSA
- Commercial operating case temperature range: 0~ 70ºC
- RoHS compliant
- Power dissipation< 12W
- TDECQ<9dB
- Duplex LC optical receptacle
Standard
- QSFP-DD MSA
Application
- Medium-long distance DCI interconnection: Suitable for links between data centers within the same city, with a physical distance of 15-30 kilometers.
- Edge of the metropolitan area network: Connects aggregation nodes within the metropolitan area network to core nodes.
- Cost-sensitive projects: Replace the expensive standard ER4 on 40km links with better link quality (lower loss).
Specification of qdd 400g er4 30
| Absolute Maximum Ratings | ||||
| Parameter | Symbol | Min | Max | Unit |
| Storage Ambient Temperature | TSTG | -40 | 85 | ℃ |
| Operating Humidity | HO | 5 | 85 | % |
| Power Supply Voltage | Vcc | -0.3 | 3.6 | V |
| Signal Input Voltage | Vcc-0.3 | Vcc +0.3 | V | |
| Recommended Operating Conditions | |||||
| Parameter | Symbol | Min | Typical | Max | Unit |
| Operating Case Temperature | Tc | 0 | 70 | ℃ | |
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
| Data Rate, each Lane（PAM4） | 106.25 | Gbps | |||
| Power Consumption | P DISS | 12 | W | ||
| Pre-FEC Bit Error Ratio | 2.4×10 -4 | ||||
| Fiber Length 09/125μm core SMF | – | 40 | KM | ||
| Optical transmitter Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Launched Power (avg.) Per Lane | Pavg | 0.6 | 5.6 | dBm | ||
| Wavelength Range | L0 | 1294.53 | 1295.56 | 1296.59 | nm | |
| Wavelength Range | L1 | 1299.02 | 1300.05 | 1301.09 | nm | |
| Wavelength Range | L2 | 1303.54 | 1304.58 | 1305.63 | nm | |
| Wavelength Range | L3 | 1308.09 | 1309.14 | 1310.19 | nm | |
| Outer Optical Modulation Amplitude (OMA outer ), each Lane | 3.4 | 7 | dBm | |||
| Launch Power in OMA outer minus TDECQ, each Lane | 2 | dB | ||||
| Extinction Ratio | ER | 6 | dB | |||
| Average Launch Power per Lane @ TX Off State | POff | -30 | dBm | |||
| Transmitter Eye Closure for PAM4(TECQ), each Lane | 3.9 | dB | ||||
| Transmitter and dispersion Eye Closure for PAM4(TDECQ), each Lane | 3.9 | dB | ||||
| Relative Intensity Noise (OMA) | -132 | dB/Hz | ||||
| Side-Mode Suppression Ration (SMSR) | 30 | dB | ||||
| Optical Return Loss Tolerance | 15.6 | dB | ||||
| Transmitter Reflectance | -26 | dB | ||||
| Transmitter over/under-shoot | 25 | % | ||||
| Transmitter peak-to-peak power | 5.2 | dBm | ||||
| Transmitter transition time | 17 | Ps | ||||
| Optical receiver Characteristics | ||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Receiver Wavelength Range | L0 | 1294.53 | 1295.56 | 1296.59 | nm | |
| Receiver Wavelength Range | L1 | 1299.02 | 1300.05 | 1301.09 | nm | |
| Receiver Wavelength Range | L2 | 1303.54 | 1304.58 | 1305.63 | nm | |
| Receiver Wavelength Range | L3 | 1308.09 | 1309.14 | 1310.19 | nm | |
| Average Receiver Power Per Lane | -9 | 5.1 | dBm | |||
| Receiver Sensitivity each lane
| Sen | Max(-14.5, SECQ-16) | dBm | |||
| Receiver Reflectance | Rr | -26 | dB | |||
| Damage Threshold | -2.4 | dBm | ||||
Ordering Information
| Part. No | Specifications | ||||||||
| Pack | Rate (Gbps) | Tx (nm) | Po (dBm) | RX | Sen (dBm) | Temp (℃) | Reach (KM) | DDM | |
| QDD 400G ER4 Lite | QSFP-DD | 400G | EML LWDM | 0.6~5.6 | APD | <-16 | 0~70 | 40 | Y |
