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100BASE - FX SFP Fiber Optical Transceiver Module , 1 Gbe Sfp Sx Fiber Transceiver

Categories SFP Optical Transceiver Module
Brand Name: E-link China
Model Number: LNK-GLC-FE-100LX
Certification: CE, RoHS, FCC
Place of Origin: Shenzhen, China
MOQ: 1 piece
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 1000000000pcs/Month
Delivery Time: 3-5 working days
Packaging Details: 10 piece in 1 carton box
Data: 155M
Connector: LC
Fiber: Dual Fiber
Distance: 20km
Wavelength: 1310nm
Temperature: 0°C~+70°C
Price: Negotiation
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100BASE - FX SFP Fiber Optical Transceiver Module , 1 Gbe Sfp Sx Fiber Transceiver

100BASE-FX , LC , Dual Fiber , 1310nm , SMF , 20km , SFP Optical Transceiver Module


  • Up to 155Mbps data-rate
  • 1310nm FP laser and PIN photo detector for 20km transmission
  • Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  • Digital Diagnostic Monitoring:

Internal Calibration or External Calibration

  • Compatible with RoHS
  • +3.3V single power supply
  • Operating case temperature:

Commercial : 0 to +70°C

Industrial : -40 to +85°C


  • SDH STM-1, S-1.1,L-1.1, L-1.2
  • SONET OC-3 IR1,LR1,LR2
  • Other optical links


The SFP transceivers are high performance, cost effective modules supporting 155Mbps data-rate and 20km 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.

Absolute Maximum Ratings

Table 1 - Absolute Maximum Ratings

Supply VoltageVcc-0.54.5V
Storage TemperatureTs-40+85°C
Operating Humidity-585%

Recommended Operating Conditions

Table 2 - Recommended Operating Conditions

Operating Case TemperatureStandardTc0+70°C
Power Supply VoltageVcc3.133.33.47V
Power Supply CurrentIcc300mA
Data Rate155Mbps

Optical and Electrical Characteristics

Table 3 - Optical and Electrical Characteristics

Centre Wavelengthλc126013101360nm
Spectral Width (RMS)σ4nm
Average Output PowerPout-14-8dBm1
Extinction RatioER9dB
Optical Rise/Fall Timetr/tf1.3ns
Data Input Swing DifferentialVIN4001800mV2
Input Differential ImpedanceZIN90100110Ω
TX DisableDisable2.0VccV
TX FaultFault2.0VccV
Centre Wavelengthλc12601580nm
Receiver Sensitivity-32dBm3
Receiver Overload-3dBm3
LOS De-AssertLOSD-34dBm
LOS AssertLOSA-45dBm
LOS Hysteresis14dB
Data Output Swing DifferentialVout3701800mV4


1. The optical power is launched into SMF.

2. PECL input, internally AC-coupled and terminated.

3. Measured with a PRBS 223-1 test pattern @155Mbps, BER ≤1×10-10

4. Internally AC-coupled.

Timing and Electrical

Table 4 - Timing and Electrical

Tx Disable Negate Timet_on1ms
Tx Disable Assert Timet_off10µs
Time To Initialize, including Reset of Tx Faultt_init300ms
Tx Fault Assert Timet_fault100µs
Tx Disable To Resett_reset10µs
LOS Assert Timet_loss_on100µs
LOS De-assert Timet_loss_off100µs
Serial ID Clock Ratef_serial_clock400KHz
MOD_DEF (0:2)-HighVH2VccV
MOD_DEF (0:2)-LowVL0.8V


Table 5 – Diagnostics Specification

Temperature0 to +70°C±3°CInternal / External
-40 to +85
Voltage3.0 to 3.6V±3%Internal / External
Bias Current0 to 100mA±10%Internal / External
TX Power-14 to -8dBm±3dBInternal / External
RX Power-28 to -3dBm±3dBInternal / External

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.

Pin Descriptions

PinSignal NameDescriptionPlug Seq.Notes
1VEETTransmitter Ground1
2TX FAULTTransmitter Fault Indication3Note 1
3TX DISABLETransmitter Disable3Note 2
4MOD_DEF(2)SDA Serial Data Signal3Note 3
5MOD_DEF(1)SCL Serial Clock Signal3Note 3
6MOD_DEF(0)TTL Low3Note 3
7Rate SelectNot Connected3
8LOSLoss of Signal3Note 4
9VEERReceiver ground1
10VEERReceiver ground1
11VEERReceiver ground1
12RD-Inv. Received Data Out3Note 5
13RD+Received Data Out3Note 5
14VEERReceiver ground1
15VCCRReceiver Power Supply2
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