GPON SFP OLT Transceiver
Short Description:
Features ● Single Fiber Transceiver with single mode SC receptacle ● 1490nm continuous-mode tran…Description
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Description
Features
● Single Fiber Transceiver with single mode SC receptacle
● 1490nm continuous-mode transmitter with DFB laser
● 1310nm burst-mode receiver with APD-TIA
● Can reach 20km transmission distance
● Single 3.3V power supply
● Reset burst-mode receiver design
● Burst mode signal detect output which is LVTTL compatible.
● Burst mode received signal strength indication (RSSI) output
● Complies with ITU-T G984.2 Class C+
● Digital diagnostic interface compliant with SFF-8472 Rev 9.4 ,
● Complies with RoHS directive (2002/95/EC)Operating case temperature:
Standard : 0 to +70°C
Applications
● Gigabit Passive Optical Networks (G-PON) – OLT side
Description
The BD-4321S-C2CDA transceiver is the high performance module for single fiber by using 1490nm continuous-mode transmitter and 1310nm burst-mode receiver. It is optical line terminal(OLT) for ITU-T G984.2. The optical transceiver is compliant with the Small Form- Factor Pluggable (SFP) Multi-Source Agreement (MSA).
The transmitter section uses a 1490nm DFB LD with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio over all operating temperature range. and is ClassⅠlaser compliant IEC825 and CDRH standards.The receiver has a hermetically packaged burst-mode APD-TIA (trans-impedance amplifier) pre-amplifier and a burst-mode limiting amplifier with LVPECL compatible differential outputs.
The receiver also includes the function of burst mode signal detect output and fast RSSI output which is enabled by a trigger. When the burst optical power is on, the receiver outputs high level; when the burst optical power is off, the receiver outputs low level. Fast RSSI function can satisfy more severe timing demand to monitor the power from any ONU.
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Units | Notes |
| Storage Temperature | Tst | -40 | +85 | °C | – |
| Operating Case Temperature | Tc | 0 | 70 | °C | – |
| Operating Humidity | RH | 5 | 90 | % | Non-condensing |
| Input Voltage | – | GND | Vcc | V | – |
| Power Supply Voltage | Vcc-Vee | 0 | 3.6 | V | – |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Operating Case Temperature | Standard | Tc | 0 | – | +70 | °C |
| Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | |
| Power Supply Current | Icc | – | – | 500 | mA | |
Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |
| Transmitter | |||||||
| Data Rate | 2.5 | Gb/S | |||||
| Centre Wavelength | λc | 1480 | 1500 | nm | |||
| Spectral Width | ∆λ | 0.4 | 1 | nm | |||
| Side Mode Suppression Ratio | SMSR | 30 | dB | ||||
| Average Output Power | Pout | 3 | 7 | dBm | 1 | ||
| Extinction Ratio | ER | 8.2 | dB | ||||
| Average Launch Power-OFF Transmitter | Poff | -40 | dBm | ||||
| Optical Eye Diagram | Compliant with G984.2 | ||||||
| Optical Rise/Fall Time (20%~80%) | tr/tf | 160 | ps | ||||
| Data Input Swing Differential | VIN | 200 | 2400 | mV | 2 | ||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | ||
| TX Disable | Disable | 2.0 | Vcc | V | |||
| Enable | 0 | 0.8 | V | ||||
| TX Fault | Fault | 2.0 | Vcc | V | |||
| Normal | 0 | 0.8 | V | ||||
| Receiver | |||||||
| Data Rate | 1.25 | Gb/S | |||||
| Centre Wavelength | λc | 1260 | 1360 | nm | |||
| Receiver Sensitivity | Sen | -30 | dBm | 3 | |||
| Receiver Overload | Sat | -12 | dBm | 3 | |||
| Receiver CID Tolerance | 72 | Bit | |||||
| Receiver Reflectance | -20 | dB | |||||
| Data Output Voltage – High | VOH | VccR -1.05 | VccR – 0.85 | V | 4 | ||
| Data Output Voltage – Low | VOL | VccR -1.84 | VccR – 1.60 | V | 4 | ||
| Burst Detect De-assert | BSD_D | -45 | dBm | ||||
| Burst Detect Assert | BSD_A | -32 | dBm | ||||
| Burst Detect Hysteresis | 1 | 6 | dBm | ||||
| BRST_Det High | V_DET H | 2.4 | VCC | V | |||
| BRST_Det Low | V_DETL | 0 | 0.4 | V | |||
| Reciever Power DDM (RSSI) Error | RXDDM | +/-3 | dBm | 5 | |||
Specification
Application
Order information
| Product Model | Descriptions | Inquiry |
|---|---|---|
| BD-4321S-C2CDA | Tx1490nm, Rx1310nm , 2.5Gbps/1.25Gbps, Class C+, 20km, 0C~+70C With Digital Diagnostic Monitoring | Request Price |
| BD-4321S-C2CDB | Tx1490nm,Rx1310nm,2.5Gbps/1.25Gbps,Class B+, 20km,0C~+70C With Digital Diagnostic Monitoring | Request Price |
| BD-4321S-C2CDE | GPON SFP Module,Class C++, Tx1490nm,Rx1310nm,2.5Gbps/1.25Gbps,0C~+70C With Digital Diagnostic Monitoring | Request Price |
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