Name: Gigabit Ethernet SFP Optical Transceiver
Brand: original industrial 4G/5G/LTE router and gateway, ethernet switch,industrial computer manufacturer/factory-Toputel Technology
SKU: 00143
Availability: InStock
Rating: 5 (1 reviews)

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Gigabit Ethernet SFP Optical Transceiver

Description Main Features Technical Specification Pin Definitions & Circuit with Diagram FAQ

Description

Toputel Gigabit Ethernet Series SFP Transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 10km/40/km/80km transmission distance on 9/125μm SMF.

The transceiver consists of three sections: a FP or DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and DDMI control unit. All modules satisfy class I laser safety requirements.

The transceivers are compliant with the Small Form-Factor Pluggable (SFP) Multi- Source Agreement (MSA) and SFF-8472.Main applications includues：fast ethernet, ATM/SONET/SDH, switch&router, and other optical transmission systems etc.,

Transmitter Section

Transmitter is designed for single mode fiber and operates at a nominal wavelength of 1310nm/1490nm/550nm. The transmitter module uses a FP laser diode and full IEC825 and CDRH class 1 eye safety. The output power can be disabled via the single TX-disable pin.

Logic LVTTL HIGH level disables the transmitter. It contains APC function, temperature compensation circuit, PECL data inputs, LVTTL TX-disable input and TX-fault Output interface.

Receiver Section

The receiver section uses a hermetic packaged front end receiver ( InGaAs PIN and preamplifier). The post amplifier is AC coupled to preamplifier through a capacitor and a low pass filter. The capacitor and LPF are enough to pass the signal from 100Mb/s to 1500Mb/s without significant distortion or performance penalty. The LPF limits the preamplifier bandwidth to improve receiver sensitivity. As the input optical is decreased, LOS will switch from low to high. As the input optical power is increased from very low levels, LOS will switch back from high to low.

DDMI Section

The DDMI contains an EEPROM. It provides access to sophisticated identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information.

The serial interface uses the 2-wire serial CMOS EEPROM protocol defined for the 24C02. When the serial protocol is activated, the host generates the serial clock signal (SCL, Mod Def 1). The positive edge clocks data into those segments of the EEPROM that are not write protected within the SFP transceiver. The negative edge clocks data from the SFP transceiver. The serial data signal (SDA, Mod Def 2) is bi-directional for serial data transfer. The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially.

The Module provides diagnostic information about the present operating conditions. The transceiver generates this diagnostic data by digitization of internal analog signals.Calibration and alarm/warning threshold data is Written during device manufacture. Received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring all are implemented. The diagnostic data are raw A/D values and must be converted to real world units using calibration constants stored in EEPROM locations 56 – 95 at wire serial bus address A2h. The digital diagnostic memory map specific data field defines as the pictures:

Main Features

► Uncooled Laser Diode with MQW Structure

► InGaAs PIN-TIA Photodiode Receiver

► 9/125μm SMF

► BIDI or Dual Single Mode Transceiver SFP Footprint

► LC Or SC Optical Interface Optional

► Compliant With SFP MSA and SFF-8472

► Digital Diagnostic Monitoring Interface

► Single +3.3V Power Supply

► CML Differential Inputs and Outputs

► LVTTL Signal Detection Output

► Compliant With ITU-T G.957

► Compliant With RoHS and Lead Free

► Metal Enclosure for Lower EMI

► Operating Temperature: -20 to +70°C

Technical Specification

Pin Definitions & Circuit with Diagram

Fast Ethernet SFP transceiver Pin Definition

FAQ

What is the price?

Our prices will be adjusted according to raw material cost and other market factors. Please kindly contact us for the latest price list.

What is your MOQ?

No MOQ for sample. Generally, the larger the quantity, better the unit price and freight will be

What is your Trade terms?

Trade terms EXW as default. More trade terms such as FOB, FCA etc for optional. We need to make official export declaration for the goods

Which payment method is accepted?

For small batch, customer can order the product from our website directly.
For big batch, we accept the payment term by T/T. 30% downpayment, and 70% of the balance paid before shipment.

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Gigabit Ethernet SFP Optical Transceiver

Toputel Gigabit Ethernet Series SFP Transceivers are high performance, cost effective modules supporting data-rate of 1.25Gbps and 10km/40/km/80km transmission distance on 9/125μm SMF.

Transmitter Section

The DDMI contains an EEPROM. It provides access to sophisticated identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information.

► BIDI or Dual Single Mode Transceiver SFP Footprint

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