Wuhan Spring Technology Co., Ltd
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1.25Gbps Compatible Brocade/Cisco/Juniper DWDM C17~C61 100km SFP Optical Transceiver Module
Ordering information
| Part Number | Product Description |
| S-SD1GDWLA0-CD-xx | SFP,DWDM 1.25Gbps,1510nm~1610nm, SM, LC,100km, 0ºC~+70ºC, With DDM |
| XX=17~61 (ITU Channel C-band) 62~16(ITU Channel L-band) | |
Description
Springtek DWDM SFP Transceiver exhibits excellent wavelength stability, supporting operation at 100 GHz channel, cost effective module. It is designed for DWDM SONET/ SDH, Gigabit Ethernet and Fiber- Channel applications.
The transceiver consists of two sections: The transmitter section incorporates a colded DFB laser. And the receiver section consists of an APD photodiode integrated with a TIA.Springtek DWDM SFP modules satisfy class I laser safety requirements.
DWDM SFP transceiver provides an enhanced monitoring interface, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage, laser temperature and TEC current.
Features
1.25Gbps operation
Suitable for use in 100GHz channel spacing DWDM systems
DWDM DFB and APD photodetector for 100km trans-mission
Compliant with DWDM SFP MSA with duplex LC receptacle
Digital Diagnostic Monitoring
Cold Start up Wavelength Compliance
Operating case temperature:0 to +70°C
RoHS compliant (lead free)
Applications
Ethernet IEEE 802.3ae
Fiber Channel
Absolute Maximum Ratings
| Parameter | Symbol | Min | Typ | Max | Unit |
| Power Supply Voltage | Vcc | -0.3 | 4 | V | |
| Storage Temperature Range | Ts | -40 | 85 | °C | |
| Relative Humidity - Storage | RHS | 0 | 95 | % | |
| Relative Humidity - Operating | RHO | 0 | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
| Case Operating Temperature Range | Tc | -5 | - | 70 | °C |
| Power Supply Voltage | Vcc | 3.14 | 3.3 | 3.47 | V |
| Supply Current | Icc | - | - | 380 | mA |
Transmitter Specifications – Optical
| Parameter | Symbol | Min | Typical | Max | Unit |
| Data Rate Multirate | Mra | 155 | 1250 | 2667 | Mbps |
| Center Wavelength (SOL)△ | lc | lc -25 | lc | lc +25 | pm |
| Center Wavelength (EOL)▲ | lc | lc -100 | lc | lc+100 | pm |
| Optical Transmit Power | Po | 0 | - | 5 | dBm |
| Side Mode Suppression Ratio | SMSR | 30 | - | - | dB |
| Optical Transmit Power (disabled) | PTX_DISABLE | - | - | -40 | dBm |
| Extinction Ratio | ER | 8.2 | - | dB | |
| Channel Spacing | ∆f | - | 100 | - | GHz |
| Jitter Generation | TJP-P | - | - | 70 | mUI |
| Spectral Width (-20dB) | Dl20 | - | 0.1 | 0.3 | nm |
| Eye Mask | Compliant with Bell core GR-253-CORE & ITU G.957 for SONET/SDH and with IEEE 802.3ae for Ethernet and Fibre Channel | ||||
Transmitter Specifications – Electrical
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Voltage | VccTX | 3.13 | 3.3 | 3.47 | V |
| PECL/CML Input | VtxDIFF | 500 | - | 1600 | mV |
| Input Rise/Fall | TR / TF | - | - | 160 | ps |
| TX-Fault Fault | Vf | 2 | - | Vcc | V |
| TX-Fault Normal | Vn | Vee | - | Vee+0.5 | V |
| TX_DISABLE(asserted) | VDH | 2 | - | Vcc | V |
| TX_DISABLE (negated) | VDL | Vee | - | Vee+0.8 | V |
APD Receiver Specifications – Optical
| Parameter | Symbol | Min | Typical | Max | Unit |
| Receiver Sensitivity(OC24) | Rsens-1 | - | -32 | -28 | dBm |
| Receiver Sensitivity(OSNR = 20dB) | Rsens-2 | - | - | -30 | dBm |
| Maximum Input Power | RX-overload | - | - | -7 | dBm |
| Input Operating Wavelength | λ | 1528 | - | 1564 | nm |
| Reflectance | Rrx | - | - | -27 | dB |
| Loss of Signal Asserted | -40 | - | - | dBm | |
| LOS De-Asserted | - | - | -33 | dBm | |
| LOS Hysteresis | 0.5 | - | - | dB |
APD Receiver Specifications – Electrical
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Voltage | VccRX | 3.13 | 3.3 | 3.47 | V |
| Differential Output Swing | Vout P-P | 370 | - | 2000 | mV |
| Rise/Fall Time | Tr / Tf | - | - | 175 | ps |
| Loss of Signal –Asserted | VOH | 2 | - | Vcc | V |
| Loss of Signal –Negated | VOL | Vee | - | Vee+0.5 | V |
Low Speed Electrical Signal Timings
| Parameter | Symbol | Min | Typical | Max | Unit |
| TX Disable Negate Time | t-on | - | - | 20 | ms |
| TX Disable Assert Time | t-off | - | - | 20 | ms |
| Time to initialize, including reset of TX_FAULT | t_init | - | - | 300 | ms |
| Start-up Time | t_startup | - | - | 90 | s |
| TX_FAULT/INT Assert Time | t_fault | - | - | 50 | ms |
| TX_DISABLE to Reset | t_reset | 10 | - | - | ms |
| LOS Assert Time | t_los_on | - | - | 100 | us |
| LOS Negate Time | t_los_off | - | - | 100 | us |
| Serial ID Clock Rate | f_serial_clock | - | - | 100 | kHz |