Shenzhen Miray Communication Technology Co., Ltd.
Miray makes your communication more efficient, fast and safe.
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Miray’s QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links over single mode fiber.
They are compliant with SFF-8436, INF-8438i and IEEE 802.3ba 40GBASE-SR4. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP+ MSA.
| Parameter | Symbol | Unit | Min | Typ | Max |
| Operating Case Temperature Range | Tc | oC | 0 |
| 70 |
| Power Supply Voltage | Vcc | V | 3.14 | 3.3 | 3.46 |
| Bit Rate | BR | Gb/s |
|
| 41.2 |
| Bit Error Ratio | BER |
|
|
| 10-12 |
| Max Supported Link Length | L | m |
|
| 300 |
| Parameter | Symbol | Unit | Min | Typ | Max | Notes |
| Transmitter(per Lane) | ||||||
| Signaling Speed per Lane |
| GBd |
|
| 10.3125
|
|
| Lane Wavelength (range): |
| nm | 850 |
| ||
| Total Average Launch Power | Pout | dBm |
|
| 5.0 |
|
| Transmit OMA per Lane | TxOMA | dBm | -2.5 |
| 3.0 |
|
| Average Launch Power per Lane | TXPx | dBm | -7 |
| 2.3 |
|
| Optical Extinction Ratio | ER | dB | 3.0 |
|
|
|
| Average launch power of OFF transmitter, per lane |
| dBm |
|
| -30 |
|
| Relative Intensity Noise | RIN | dB/Hz |
|
| -128 |
|
| Optical Return Loss Tolerance |
| dB |
|
| 12 |
|
| Receiver(per Lane) | ||||||
| Signaling Speed per Lane |
| GBd |
|
| 10.3125 |
|
| Lane Wavelength (range):
|
| nm | 850 |
| ||
| Receive Power(OMA) per Lane | RxOMA | dBm |
|
| 3.5 |
|
| Average Received Power per Lane | RXPx | dBm | -13.7 |
| 2.3 |
|
| Receiver sensitivity (OMA), each lane (max) |
| dBm |
|
| -11.5 |
|
| Stressed Receive Sensitivity(OMA) per lane | SRS | dBm |
|
| -9.6 |
|
| Damage Threshold Per Lane | Pmax | dBm |
|
| 3.4 |
|
| Return Loss | RL |
|
|
| -26 |
|
| Vertical eye closure penalty, per lane |
| dB |
|
| 1.9 |
|
| Receiver electrical 3dB upper cutoff frequency,per lane |
| GHz |
|
| 12.3 |
|
| LOS De-Assert | LOSD | dBm |
|
| -15 |
|
| LOS Assert | LOSA | dBm | -30 |
|
|
|
| LOS Hysteresis |
| dB |
| 1 |
| |
