OEM 25G SFP28 Module BIDI 20km 1270nm/1330nm LC DDM compatible with Cisco Switches
25G SFP28 Module BIDI 20km 1270nm/1330nm LC DDM compatible with Cisco Switches
Description
The SFP28 BIDI optical Transceiver integrates receiver and transmitter path on one module. In the transmit side,one of serial data streams are recovered, retimed and passed to laser driver. In the receive side, the optical data streams is recovered by a PIN and trans-impedance amplifier,retimed. This module features a hot-pluggable electrical interface, low power consumption.
The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the SFP28 and compliant to IEEE 802.3cc.
Features
- UP to 25.78Gb/s bi-directional data links
- Hot-Pluggable SFP28 footprint
- 1270nm DFB Laser and 1330nm PIN receiver
- BIDI LC connector
- DFB laser transmitter
- Up to 20km on 9/125m SMF
- Power Supply :+3.3V
- RoHS compliant
- 2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface for optical transceivers
- Case operating temperature: Commercial: 0°C to +70°C,Expanded :-20°C to +85°C,Industrial: -40°C to +85°C
Applications
- 25G Ethernet
- eCPRI & CPRI-10
- Data center
Optical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Transmitter | ||||||
| Average Output Power | POUT | 0 | 6 | dBm | 1 | |
| Transmit OMA per Lane | TxOMA | -2 | 7 | dB | ||
| Extinction Ratio | ER | 3.5 | dB | |||
| Center Wavelength | λc | 1320 | 1330 | 1340 | nm | |
| Spectral Width (RMS)@25Gb/s | △λ | 1 | nm | |||
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||
| Spectrum Bandwidth(-20dB) | σ | 1 | nm | |||
| Transmitter OFF Output Power | Poff | -45 | dBm | |||
| Transmitter and Dispersion Penalty | TDP | 3.2 | dB | |||
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Transmitter Eye mask definition {X1, X2, X3, Y1, Y2, Y3} |
{0.31, 0.4, 0.45, 0.34, 0.38, 0.4} |
1,2 |
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| Receiver Sensitivity | SENS | -14 | dBm | 3 | ||
| Receiver Overload | RMAX | 2 | dBm | |||
| Input Optical Wavelength | λC | 1260 | 1270 | 1280 | nm | |
| Receiver Reflectance | -26 | dB | ||||
| LOS De-assert | LOSD | -15 | dBm | |||
| LOS Assert | LOSA | -30 | dBm | 3 | ||
| LOS Hysteresis | LOSH | 0.5 | dB | |||
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