GPON OLT B+ Optical Module 2.5G/1.25G 20KM
TX1490nm/RX1310nm GPON SFP
1.Operating Condition
| Parameter | Unit | Min. | Typical | Max. |
| Storage Temperature | °C | -40 | 85 | |
| Operating Case Temp yeC-temp | °C | 0 | 70 | |
| Operating Case Temp yeI-temp | °C | -40 | 85 | |
| Kushanda Relative Humidity | % | 5 | 95 | |
| Power Supply Voltage | V | 3.15 | 3.3 | 3.45 |
| Supply Current | mA | 500 | ||
| Bit Rate yeTx | Gbps | 2.488 | ||
| Bit Rate yeRx | Gbps | 1.244 | ||
2.Unhu
Kuita kwese kunotsanangurwa pakupisa kwese kwekushanda uye mamiriro
| Parameter | Unit | Min. | Typical | Max. |
| Transmitter | ||||
| TX Central Wavelength | nm | 1480 | 1490 | 1500 |
| Spectral Width (-20dB) | nm | 1 | ||
| Side Mode Suppression Ratio (SMSR) | dB | 30 | ||
| Kureva Launched Power | dBm | 1.5 | 5 | |
| Mean Launched Power (TX Off) | dBm | -45 | ||
| Extinction Ratio | dB | 8.2 | ||
| Optical Return Loss Tolerance | dB | -12 | ||
| Transmitter uye kuparadzira Chirango | dB | 1 | ||
| Transmitter Mask (PRBS223-1@2.488G) | Inopindirana neITU-T G.984.2 | |||
| Receiver | ||||
| Gamuchira Wavelength | nm | 1290 | 1310 | 1330 |
| Sensitivity(PRBS223-1@1.244G,ER=10,BER<10-10) | dBm | -28 | ||
| Zvakawandisa (PRBS223-1@1.244G,ER=10,BER<10-10) | dBm | -8 | ||
| Receiver Burst Mode Dynamic Range | dB | 15 | ||
| Kukuvadza Threshold kune Receiver | dBm | 5 | ||
| SD Assert Level | dBm | -30 | ||
| SD De-assert Level | dBm | -45 | ||
| SD Hysteresis | dB | 0.5 | 6 | |
| WDM Sefa yekuzviparadzanisa kune 1550nm | dB | 38 | ||
| WDM Sefa yekuzviparadzanisa nevamwe kune 1650nm | dB | 35 | ||
| Electrical Interface Characteristics | ||||
| Data Input Swing Differential/TX | mV | 200 | - | 2000 |
| Data Output Swing Differential/RX | mV | 400 | 1600 | |
| Date Differential Impedance | Ω | 90 | 100 | 110 |
| LVTTL Kubuda Kwepamusoro | V | 2.4 | Vcc | |
| LVTTL Kubuda Kwakaderera | V | 0 | 0.4 | |
| LVTTL Input High | V | 2.0 | Vcc+0.3 | |
| LVTTL Input Yakaderera | V | 0 | 0.8 | |
| Nguva Yekuita Hunhu | ||||
| Nguva yekurinda (Tg) | ns | 25.6 | ||
| Reset Pulse Width (Tr) | ns | 12.8 | ||
| Reset Kunonoka (Trd) | ns | 12.8 | ||
| Receiver Preamble Time (Tp) | ns | 140 | ||
| SD Assert Nguva (TSDA) | ns | 100 | ||
| SD De-assert Nguva (TSDD) | ns | 12.8 | ||
| RSSI Trigger Kunonoka (Ttd) | ns | 25 | ||
| RSSI Trigger Pulse Width (Tw) | ns | 500 | ||
| Yemukati I2C Kunonoka (Twait) | us | 500 | ||
Zvigadzirwa zvikamu
Nyora meseji yako pano ugotitumira