1.25Gbps SFP Bi-Directional Transceiver, 3km Reach 1310nm TX / 1550nm RX
Advantages
¨ Dual data-rate of 1.25Gbps/1.063Gbps operation
¨ 1310nm FP laser and PIN photodetector for 3km transmission
¨ 
Compliant with SFP MSA and SFF-8472 with simplex SC Receptacle
¨ Digital Diagnostic Monitoring:
Internal Calibration or External Calibration
¨ Compatible with SONET OC-24-LR-1
¨ Compatible with RoHS
¨ +3.3V single power supply
¨ Operating case temperature range of
Commercial: 0°C to +70°C
Industrial: -40°C to +85°C
Overview
The SFP-BIDI transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 3km transmission distance with SMF.
The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.
Technical Indexes
| Parameter | Symbol | Min | Typical | Max | Unit |
| Tx Disable Negate Time | t_on | | | 1 | ms |
| Tx Disable Assert Time | t_off | | | 10 | µs |
| Time To Initialize, including Reset of Tx Fault | t_init | | | 300 | ms |
| Tx Fault Assert Time | t_fault | | | 100 | µs |
| Tx Disable To Reset | t_reset | 10 | | | µs |
| LOS Assert Time | t_loss_on | | | 100 | µs |
| LOS De-assert Time | t_loss_off | | | 100 | µs |
| Serial ID Clock Rate | f_serial_clock | | | 400 | KHz |
| MOD_DEF (0:2)-High | VH | 2 | | Vcc | V |
| MOD_DEF (0:2)-Low | VL | | | 0.8 | V |
Ordering Information
| Part Number | Product Description |
| LNK-BSFP-1.25G-3CU | 1.25Gbps SFP Bi-Directional Transceiver, 1310TX/1550RX, SC 3km, 0°C~+70°C,With Digital Diagnostic Monitoring |
| LNK-BSFP-1.25G-L3CU | 1.25Gbps SFP Bi-Directional Transceiver, 1310TX/1550RX, SC 3km,-40°C~+85°C,With Digital Diagnostic Monitoring |
Product Tags:
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1.25Gbps SFP Bi-Directional Transceiver, 3km Reach 1310nm TX / 1550nm RX Images
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