GEPON / EPON PX20+ OLT Optical SFP Module Tx1310nm Rx1490nm 20km ,
SC
single fiber singlemode for GEPON OLT device.
Product Feature
Apllication
1. 1.25Gb/s 1000Base Ethernet
2. 1.06 Gb/s Fibre Channe
3. Gigabit Ethernet
4. SONET/OC-24
5. Fiber Channel links
6. ATM Switches and Routers
Special points
1. SONET/SDH Switch Infrastructure
2. XDSL Applications
3. Metro Edge Switching
4. WDM GBE Links
5. SONET/SDH Equipment Interconnect
6. Fiber Channel Links
Product Characteristics
1. Up to 1.25Gb/s data links
2. Hot-pluggable SFP footprint
3. Support digital diagnostic functions
4. RoHS compliant and lead-free
5. Metal enclosure, for lower EMI
6. Single 3.3V power supply
7. Operating temperature: 0°C to 70°C(Standard), -40°C to 85°C
(Industrial)
8. Compliant with MSA SFP Specification
9. Compatible with SFF-8472
10. With DDM
Optical Characteristics
| Parameter | Unit | Min. | Typ. | Max. |
| TX Central Wavelength | nm | 1480 | | 1500 |
| Spectral Width (-20dB) | nm | | | 1 |
| SMSR | dB | 30 | | |
| Mean Launched Power | dBm | 5 | | 8 |
| Mean Launched Power (TX Off) | dBm | | | -39 |
| Extinction Ratio(Note 1) | dB | 9 | | |
| TX Total Jitter | UI | | | 0.43 |
| Rise/Fall Time (20%-80%) | ps | | | 260 |
| RIN15OMA | dB/Hz | | | -115 |
| Optical Return Loss Tolerance | dB | | | -12 |
| Transmitter and dispersion Penalty(20km G.652) | dB | | | 2.3 |
| TX Optical Eye Mask | Compliant With IEEE Std 802.3ah™-2004 |
| Receive Wavelength | nm | 1260 | | 1360 |
| Sensitivity (Note 2) | dBm | | | -33 |
| Overload | dBm | -6 | | |
| Dynamic Rang | dB | 25 | | |
| Receiver Threshold Settling Time | ns | | | 250 |
| RX Dynamic Range(Note 3) | dBm | -30 | | -6 |
| LOS-Deassert | dBm | | | -34 |
| LOS-Assert | dBm | -45 | | |
| SD Hysteresis | dB | 0.5 | | 6 |
| Receiver Reflectance | dB | | | -12 |
Note:
- Measured with PRBS 27-1 test pattern @1.25Gbps, Low Pass Filter is on.
- Measured with a PRBS 27-1 test pattern @1.25Gbps and ER=10dB, BER <10-12
3, RX Dynamic Range Definition
Electrical Characteristics
| Parameter | Unit | Min. | Typical | Max. |
| Power Supply Current | mA | | | 300 |
| Data Input Differential Swing | mV | 200 | | 1600 |
| Data Differential Impedance | Ω | 90 | 100 | 110 |
| TTL Input -Low | V | 0 | | 0.8 |
| TTL Input -High | V | 2.0 | | Vcc |
| TTL Output -Low | V | 0 | | 0.4 |
| TTL Output -High | V | 2.4 | | Vcc |
| Data Output Differential Swing | mV | 400 | | 1600 |
| Los Assert Time | ns | | | 500 |
| Los Deassert Time | ns | | | 500 |
Ordering Information
| Ordering P/Ns | Description |
| NTW - GES20++AS | EPON OLT PX20++ Diplexer, 30km, Tx 1490nm 1.25G, Rx 1310nm 1.25G,
SFP form-factor, SC/UPC receptacle connector, Commercial
temperature. |
