Active Member
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[China]
Address: 708-709 room,G buliding,ZhiGu Technology Park,YinTian Road,Xixiang, Bao'an District, Shenzhen City
Contact name:
Shenzhen Natywish Technology Co., Ltd. |
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GPON OLT B+ SFP Module TX 1490nm 2.488Gbps, RX 1310nm 1.244Gbps
BIDI SC/UPC
Product Features
Support ITU-T G.984.2 GPON OLT B+ application
Single fiber bi-directional data links with symmetric 2.488Gbps Tx
and 1.244Gbps Rx
1490nm continuous-mode transmitter with DFB LD
1310nm burst-mode receiver with APD-TIA
2-wire interface for integrated digital diagnostic Monitoring
Receiver RESET, Signal Detect, RSSI function indication (RESET,
RX_SD, RSSI)
SFP package with SC/UPC receptacle optical interface
Single +3.3V power supply
Operation case temperature -40~85°C for industrial and 0~70°C for
commercial
RoHS6 compliance
Applications:
Data services
Voice services
Video services
Monitoring service
FTTH
Operating Condition
| Parameter | Unit | Min. | Typical | Max. |
| Storage Temperature | °C | -40 | 85 | |
| Operating Case Temp for C-temp | °C | 0 | 70 | |
| Operating Case Temp for I-temp | °C | -40 | 85 | |
| Operating Relative Humidity | % | 5 | 95 | |
| Power Supply Voltage | V | 3.15 | 3.3 | 3.45 |
| Supply Current | mA | 500 | ||
| Bit Rate for Tx | Gbps | 2.488 | ||
| Bit Rate for Rx | Gbps | 1.244 | ||
Characteristics
All performance is specified at whole working temperature and
conditions
| 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 | ||
| Mean 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 and dispersion Penalty | dB | 1 | ||
| Transmitter Mask(PRBS223-1@2.488G) | Compliant With ITU-T G.984.2 | |||
| Receiver | ||||
| Receive Wavelength | nm | 1290 | 1310 | 1330 |
Sensitivity | dBm | -28 | ||
Overload | dBm | -8 | ||
| Receiver Burst Mode Dynamic Range | dB | 15 | ||
| Damage Threshold for Receiver | dBm | 5 | ||
| SD Assert Level | dBm | -30 | ||
| SD De-assert Level | dBm | -45 | ||
| SD Hysteresis | dB | 0.5 | 6 | |
| WDM Filter isolation to 1550nm | dB | 38 | ||
| WDM Filter isolation to 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 Output High | V | 2.4 | Vcc | |
| LVTTL Output Low | V | 0 | 0.4 | |
| LVTTL Input High | V | 2.0 | Vcc+0.3 | |
| LVTTL Input Low | V | 0 | 0.8 | |
| Timing Characteristics | ||||
| Guard Time (Tg) | ns | 25.6 | ||
| Reset Pulse Width (Tr) | ns | 12.8 | ||
| Reset Delay (Trd) | ns | 12.8 | ||
| Receiver Preamble Time (Tp) | ns | 140 | ||
| SD Assert Time (TSDA) | ns | 100 | ||
| SD De-assert Time (TSDD) | ns | 12.8 | ||
| RSSI Trigger Delay (Ttd) | ns | 25 | ||
| RSSI Trigger Pulse Width (Tw) | ns | 500 | ||
| Internal I2C Delay (Twait) | us | 500 | ||
