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10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible


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10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

These Fiber SFP+ modules have been individually programmed to be compatible with either Cisco or Huawei and any module is 100% compatible with other generic sfp+ coding brands such as Tenda, Hikvision, TPLink, TrendNet, Netgear, Ubiquiti / Unifi and generic OEM brands. If buying specifically for Cisco or Huawei models please choose the correct compatibility from the drop-down list below.

This SFP+ Module is Hot-Pluggable and it can be inserted into a Network or POE Network Switch without the need to power-down the switch.

Please see our guide at Fiber Optic Cables & SFP Compatibility for more information.

Product Features

  • Hot-Pluggable
  • Duplex LC receptacle
  • 850nm VCSEL transmitter, PIN photo-detector
  • Capable of over 300m transmission on OM3 MMF (Multimode Fiber) and 400m on OM4 MMF
  • 2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface
  • Power Supply :+3.3V
  • Power consumption<1W
  • Temperature Range: 0~ +70°C
  • RoHS compliant

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible


  • 10GBASE-SR/SW Ethernet
  • SONET OC-192&SDH STM-64
  • OTN ITU-T G.709
  • 10X Fibre Channel
  • LTE systems
  • Other Optical links

Example of Dual LC Fiber SFP Installation

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible


  • Compliant with SFF-8472 SFP+ MSA.
  • Compliant to SFP+ SFF-8431 and SFF-8432.
  • Compliant to 802.3ae 10GBASE-SR.
  • RoHS Compliant

Product Description

  • This SFP+ Module is a very compact 10Gb/s optical transceiver module for serial optical communication applications at 10Gb/s. It converts a 10Gb/s serial electrical data stream to 10Gb/s optical output signal and a 10Gb/s optical input signal to 10Gb/s serial electrical data streams. The high speed 10Gb/s electrical interface is fully compliant with SFI specification.
  • The high performance 850nm VCSEL transmitter and high sensitivity PIN receiver provide superior performance for Ethernet applications at up to 300m links.
  • The SFP+ Module compliants with SFF-8431, SFF-8432 and IEEE 802.3ae 10GBASE-SR. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.
  • The fully SFP compliant form factor provides hot pluggability, easy optical port upgrades and low EMI emission.

These Dual LC SFP+ Modules are commonly installed with the Duplex Multi Mode LC to LC Fiber Cables Below:

1M Duplex MultiMode OM3 Fiber Cable | UPC LC-LC Fiber Cable | Fiber Patch Cord

Absolute Maximum Ratings

Storage TemperatureTS-40+85°C
Case Operating TemperatureTOP0+70°C
Maximum Supply VoltageVcc-0.54V
Relative HumidityRH085%

Optical Characteristics

Center Wavelengthλt840850860nm
RMS spectral widthλRMS4nm
Average Optical PowerPavg-7.3-1dBm1
Optical Power OMAPoma-1.5dBm
Laser Off PowerPoff-30dBm
Extinction RatioER3.5dB
Transmitter Dispersion PenaltyTDP3.9dB2
Relative Intensity NoiseRin-128dB/Hz3
Optical Return Loss Tolerance20dB
Center Wavelengthλr840860nm
Receiver Sensitivity (OMA)Sen-11.1dBm4
Stressed Sensitivity (OMA)SenST-7.5dBm4
Los AssertLOSA-30dBm
Los DessertLOSD-12dBm
Los HysteresisLOSH0.5dB


  1. Average power figures are informative only, per IEEE802.3ae.
  2. TWDP figure requires the host board to be SFF-8431compliant. TWDP is calculated using the Matlab code provided in clause of IEEE802.3ae.
  3. 12dB reflection.
  4. Conditions of stressed receiver tests per IEEE802.3ae. CSRS testing requires the host board to be SFF-8431 compliant.
  5. Receiver overload specified in OMA and under the worst comprehensive stressed condition.

Electrical Characteristics

Supply VoltageVcc3.1353.465V
Supply CurrentIcc250mA
Power ConsumptionP1W
Input differential impedanceRin100Ω1
Tx Input Single Ended DCVoltage Tolerance (Ref VeeT)V-0.34V
Differential input voltage swingVin,pp180700mV2
Transmit Disable VoltageVD2VccV3
Transmit Enable VoltageVENVeeVee+0.8V
Single Ended Output Voltage ToleranceV-0.34V
Rx Output Diff VoltageVo300850mV
Rx Output Rise and Fall TimeTr/Tf30ps4
LOS FaultVLOS fault2VccHOSTV5
LOS NormalVLOS normVeeVee+0.8V5


  1. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
  2. Per SFF-8431 Rev 3.0
  3. Into 100 ohms differential termination.
  4. 20%~80%
  5. LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.

Timing Characteristics

TX_Disable Assert Timet_off10us
TX_Disable Negate Timet_on1ms
Time to Initialize Include Reset of TX_FAULTt_int300ms
TX_FAULT from Fault to Assertiont_fault100us
TX_Disable Time to Start Resett_reset10us
Receiver Loss of Signal Assert TimeTA,RX_LOS100us
Receiver Loss of Signal Deassert TimeTd,RX_LOS100us
Rate-Select Change Timet_ratesel10us
Serial ID Clock Timet_serial-clock100kHz

Pin Assignment

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

Diagram of Host Board Connector Block Pin Numbers and Name

Pin Function Definitions

1VEETTransmitter Ground  (Common with Receiver Ground)1
2TFAULTTransmitter Fault.2
3TDISTransmitter Disable. Laser output disabled on high or open.3
4SDA2-wire Serial Interface Data Line4
5SCL2-wire Serial Interface Clock Line4
6MOD_ABSModule Absent. Grounded within the module4
7RS0Rate Select 05
8LOSLoss of Signal indication.  Logic 0 indicates normal operation.6
9RS1No connection required1
10VEERReceiver Ground  (Common with Transmitter Ground)1
11VEERReceiver Ground  (Common with Transmitter Ground)1
12RD-Receiver Inverted DATA out.  AC Coupled


  1. Circuit ground is internally isolated from chassis ground.
  2. TFAULTis an open collector/drain output, which should be pulled up with a 4.7k – 10k Ohms resistor on the host board if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V.A high output indicates a transmitter fault caused by either the TX bias current or the TX output power exceeding the preset alarm threshold. A low output indicates normal operation. In the low state, the output is pulled to <0.8V.
  3. Laser output disabled on TDIS>2.0V or open, enabled on TDIS <0.8V.
  4. Should be pulled up with 4.7kΩ- 10kΩ host board to a voltage between 2.0V and 3.6V. MOD_ABS pulls line low to indicate module is plugged in.
  5. Internally pulled down per SFF-8431 Rev 4.1.
  6. LOS is open collector output. It should be pulled up with 4.7kΩ – 10kΩ on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

EEPROM Information and Management

The SFP+ transceivers support the 2-wire serial communication protocol as defined in the SFP MSA.

The standard SFP serial ID provides access to identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information.

Additionally, The SFP+ transceivers provide a unique enhanced digital diagnostic 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. It also defines a sophisticated system of alarm and warning flags, which alerts end-users when particular operating parameters are outside of a factory set normal range.

The SFP MSA defines a 256-byte memory map in EEPROM that is accessible over a 2-wire serial interface at the 8 bit address 1010000X (A0h).The digital diagnostic monitoring interface makes use of the 8 bit address 1010001X (A2h), so the originally defined serial ID memory map remains unchanged.

The operating and diagnostics information is monitored and reported by a Digital Diagnostics Transceiver Controller (DDTC) inside the transceiver, which is accessed through a 2-wire serial interface. When the serial protocol is activated, the serial clock signal (SCL, Mod Def 1) is generated by the host. The positive edge clocks data into the SFP transceiver into those segments of the E2PROM that are not write-protected. 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.

Table 1. Digital Diagnostic Memory Map (Specific Data Field Descriptions)

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

Table 2 – EEPROM Serial ID Memory Contents (A0h)

Data AddressLength


Name of


Description and Contents
Base ID Fields
01IdentifierType of Serial transceiver (03h=SFP)
11ReservedExtended identifier of type serial transceiver (04h)
21ConnectorCode of optical connector type (07=LC)
3-108Transceiver10G Base-XX
121BR, NominalNominal baud rate, unit of 100Mbps
151Length(9um)Link length supported for 9/125um fiber, units of 100m
161Length(50um)Link length supported for 50/125um fiber, units of 10m
171Length(62.5um)Link length supported for 62.5/125um fiber, units of 10m
181Length(Copper)Link length supported for copper, units of meters
20-3516Vendor NameSFP+ vendor name
37-393Vendor OUISFP+ transceiver vendor OUI ID
40-5516Vendor PNPart Number
56-594Vendor revRevision level for part number
631CCIDLeast significant byte of sum of data in address 0-62
Extended ID Fields
64-652OptionIndicates which optical SFP signals are implemented(001Ah = LOS, TX_FAULT, TX_DISABLE all supported)
661BR, maxUpper bit rate margin, units of %
671BR, minLower bit rate margin, units of %
68-8316Vendor SNSerial number (ASCII)
84-918Date codeManufacturing date code
951CCEXCheck code for the extended ID Fields (addresses 64 to 94)
Vendor Specific ID Fields
96-12732Readablespecific date, read only
128-255128ReservedReserved for SFF-8079

Digital Diagnostic Monitor Characteristics

Data AddressParameterAccuracyUnit
96-97Transceiver Internal Temperature±3.0°C
98-99VCC3 Internal Supply Voltage±3.0%
100-101Laser Bias Current±10%
102-103Tx Output Power±3.0dB
104-105Rx Input Power±3.0dB

Regulatory Compliance

The SFP+ complies with international Electromagnetic Compatibility (EMC) and international safety requirements and standards (see details in Table following).

Electrostatic discharge(ESD)IEC/EN 61000-4-2Compatible with standards
Electromagnetic Interference (EMI)FCC Part 15 Class B EN 55022 Class B (CISPR 22A)Compatible with standards
Laser Eye SafetyFDA 21CFR 1040.10, 1040.11 IEC/EN 60825-1, 2Class 1 laser product
Component RecognitionIEC/EN 60950, ULCompatible with standards
ROHS2002/95/ECCompatible with standards
EMCEN61000-3Compatible with standards

Recommended Circuit

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

Recommended Host Board Power Supply Circuit

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

Host – Transceiver Interface Block Diagram

Outline Dimensions

Comply to SFF-8432 rev. 5.0, the improved Pluggable form factor specification.

10Gbps Fiber SFP+ Module | Multi Mode Dual LC Transceiver | up to 300 Meter | Cisco, Huawei or Generic Switch Compatible

Weight0.2 kg
300m Multi-Mode Dual LC SFP+ Module

LADX-T85S-SR-C Cisco & Generic, LADX-T85S-SR-H Huawei & Generic

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