● General Description:
FOCC's 1G/10G Dual-Rate SFP+ transceivers are designed for use in 1-Gigabit and 10-Gigabit Ethernet links up to 10km over single-mode fiber. They are compliant with SFF-8431, IEEE 802.3-2005 10GBASE-LR/LW and 1000BASE-LX. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472. This product is for applications specifically designed for 10G SFP+ ports and 1G/10G SFP+ ports and not native 1G SFP ports. This Transceiver is a "limiting module", i.e., it employs a limiting receiver. Host board designers using an EDC PHY IC should follow the IC manufacturer's recommended settings for inter operating the hostboard EDC PHY with a limiting receiver SFP+ module. The transceiver is RoHS compliant and lead free per Directive 2011/65/EU.
● Product Features:
► Hot-pluggable SFP+ footprint;
► Supports rate selectable 1.25 Gb/s or 9.95 to 10.3 Gb/s bit rates;
► Power dissipation < 1W;
► RoHS-6 compliant (lead-free);
► Single 3.3V power supply;
► Maximum link length of 10km;
► Uncooled 1310nm DFB laser;
► Receiver limiting electrical interface;
► Duplex LC connector;
► Built-in digital diagnostic functions;
► Commercial temperature range: -5℃ to 70℃.
► 1000BASE-LX 1G Ethernet;
► 10GBASE-LR/LW 10G Ethernet.
● General Specifications:
Case Operating Temperature
1.1000BASE-LX. Tested with a 27 – 1 PRBS. See Section I, Note 5 for RS0 conditions for 1.25Gb/s operation.
2.10GBASE-LR/LW. Tested with a 231 – 1 PRBS. See Section I, Note 5 for RS0 conditions for 10.3 Gb/s operation.
● Environmental Specifications:
Max Data Rate
Max Cable Distance
DOM or DDM
Commercial Temperature Range
0 to 70℃ (32 to 158˚F)
Absolute Maximum Ratings
Table 1 - Absolute Maximum Ratings
Recommended Operating Conditions
Table 2 - Recommended Operating Conditions
Operating Case Temperature
Power Supply Voltage
Power Supply Current
Optical and Electrical Characteristics
SPT-P131G-20(D): (FP and PIN, 1310nm, 20km Reach)
Table 3 - Optical and Electrical Characteristics
● Digital Diagnostic Memory Map:
The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA). The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring. The digital diagnostic memory map specific data field defines as following.
The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 20km transmission distance with SMF. The transceiver consists of three sections: a FP laser transmitter, a PIN photo diode 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.
● Mechanical Dimensions:
● Ordering information:
1310nm, 10Gbps, 10km, 0℃~ +70℃
1310nm, 10Gbps, 10km, 0℃~ +70℃, With Digital Diagnostic Monitoring
1310nm, 10Gbps, 10km, -40℃ ~ +85℃
1310nm, 10Gbps, 10km, -40℃ ~ +85℃, With Digital Diagnostic Monitoring
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