Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
  1. Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
  2. Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
  3. Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
  4. Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
  5. Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module

Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module

QSFP112-400(4X100)-85-005(SR4)-MPO8/12

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  • Broad Multi-Brand Compatibility
  • Flexible Customization Support
  • Tested for Reliable Performance
  • Fast Response & Delivery
  • Professional Technical Support

The FC-LINK QSFP112 400G (4x100G) 850nm 50m SR4 MPO 8/12 Transceiver is a high-performance, pluggable, fiber-optic module designed for 400Gbps SR4 applications. It supports short-range data communication and interconnects, operating at 106.25Gbps per lane over distances of up to 30m with OM3 fiber and 50m with OM4 fiber.This module features an MPO optical receptacle for its interface and is optimized for multimode fiber systems with a nominal wavelength of 850nm. The electrical interface uses a 60-contact edge-type connector, ensuring seamless integration into high-speed network environments.

SPECIFICATIONS
Product ModelQSFP112-400(4X100)-85-005(SR4)-MPO8/12Manufacturer brandFC-LINK
Package TypeQSFP112Optical connectorMPO 8C/12C
Max Data Rate400GbpsChannel Data Rate106.25Gbps
Effective transmission distance(OM3)30mEffective transmission distance(OM4)50m
Wavelength850nmOperating voltage3.3V
Fiber TypeMMFCore Size50/125
Transmitter TypeVCSELReceiver TypePIN
TX Power-4.6~4.0dBmReceiver Sensitivity-4.6dBm
'-6.4+TECQ dBm
Digital Optical Monitoring(DOM)YESReceiver Overload4dBm
Power Consumption<14WProtocols400G BASE-SR4 Ethernet
Operating temperature(Commercial)0℃~+70℃Storage Temperature(Commercial)-40℃~+85℃
Data center optical transceiver application scenario
Server-to-Switch Data Center Links

Used for 10G/25G/100G optical uplinks between servers and top-of-rack switches in high-density data center deployments.

Enterprise network fiber optic application scenario
Building-to-Building Campus Backbone

Suitable for 1G/10G fiber links between office buildings, campus distribution rooms, and backbone aggregation points.

Telecom fiber optic link application scenario
Access-to-Core Enterprise Uplinks

Designed for switch uplinks from access to aggregation or core layers in enterprise and campus network architectures.

Industrial fiber optic network application scenario
Industrial Switching in Harsh Environments

Applied in industrial Ethernet, automation systems, and outdoor cabinets where wider temperature tolerance and stable fiber communication are required.

Network topology background
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Compatible Brands

Customization Options

Vendor Coding
Private Label
Custom Part Number
Packaging Design
Temperature Grade Selection
ParameterSymbolMin.Max.Unit
Power supply voltageVCC-0.53.6V
Storage temperatureTC-4085°C
Relative humidityRH085%
These values represent the damage threshold of the module.Stress in excess of any of theindividual absolute maximum ratings can cause immediate catastrophic damage to the module even if all other parameters are within recommended operating conditions.
Recommended Operating Environment
ParameterSymbolMin.TypicalMaxUnit
Power supply voltageVCC3.153.33.45V
Operating case temperatureTca0-70℃
Recommended operating environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.
Electrical Characteristics
ParameterSymbolMinTypicalMaxUnitNotes
Data rate per laneDR-106.25-Gbps-
Transmitter
Single ended output voltage
tolerance		--0.3-4V-
Common mode voltage tolerance-15--mV-
Input differential impedanceRin100-Ω-
Differential input voltage swingVin300-1100mV-
Tx FaultVoL-0.3-0.4VAt 0.7mA
Receiver
Single ended output voltage tolerance--0.3-4V-
Differential output swingVout300-900mV-
Output differential impedanceRout-100-Ω-
The following electrical characteristics are defined over the recommended operating environment unless otherwise specified.
Optical Characteristics
ParameterSymbolMinTypicalMaxUnitNotes
Transmitter
Center wavelengthλ844850863nm1
RMS spectral widthPm--0.6nm1
Average optical powerPo-4.6-4dBm2
Extinction ratioER2.5--dBm1
Optical modulation
Amplitude(OMAouter)(max)		OMA3.5dBm1
Optical modulation amplitude (OMAouter)(min)
Max(TECQ,TDECQ)≤1.8dB
1.8<max(TECQ,TDECQ)≤4.4dB		-2.6
-4.4+max(TECQ,TDECQ)		1
Transmitter and dispersion eye closureTDECQ--4.4dB-
Transmitter eye closureTECQ--4.4dB-
Optical return loss toleranceORL--14dB-
Receiver
Center wavelengthλ842850948nm-
Average receivepower,each lane--6.4-4dBm-
Receive power(OMAouter),each lane---3.5dBm-
Receiver sensitivity (OMAouter) Max(TECQ,TDECQ)≤1.8dB
1.8<max(TECQ,TDECQ)≤4.4dB		Psens-4.6
-6.4+TECQ		dBm3
LOS assertedLsa-15--dBm-
LOS de-assertedLda---6.6dBm-
LOS hysteresisLh0.5--dB-
Note:
[1]Trade-offs are available between spectral width,center wavelength and minimum OMA.
[2]Theoptical power is launched into MMF
[3]BER=2.4E-4;PRBS31Q@53.125GBd.
The following optical characteristics are defined over the recommended operating environment unless otherwise specified.
QSFP Transceiver Electrical Pad Layout

Generic Compatible 400GBASE-SR4 QSFP112 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Pin Definition
PinSymbolName/Description
1GNDGround
2Tx2nTransmitter inverted data input
3Tx2pTransmitter non-inverted data input
4GNDGround
5Tx4nTransmitter inverted data input
6Tx4pTransmitter non-inverted data input
7GNDGround
8ModSelLModule select
9ResetLModule reset
10VCCRx+3.3V power supply receiver
11SCL2-wire serial interface clock
12SDA2-wire serial interface data
13GNDGround
14Rx3pReceiver non-inverted data output
15Rx3nReceiver inverted data output
16GNDGround
17RxlpReceiver non-inverted data output
18Rx1nReceiver inverted data output
19GNDGround
20GNDGround
21Rx2nReceiver inverted data output
22Rx2pReceiver non-inverted data output
23GNDGround
24Rx4nReceiver inverted data output
25Rx4pReceiver non-inverted data output
26GNDGround
27ModPrsLModule present
28IntLInterrupt
29VCCTx+3.3V power supply transmitter
30VCC1+3.3V power Supply
31LPModeLow power mode
32GNDGround
33Tx3pTransmitter non-inverted data input
34Tx3nTransmitter inverted data input
35GNDGround
36TxlpTransmitter non-inverted dataInput
37Tx1nTransmitter inverted data input
38GNDGround
Optical transceiver TX RX performance test
Performance Testing

Each module is tested before shipment to help ensure stable optical and electrical performance.

Optical transceiver compatibility test
Compatibility Verification

Compatibility validation is available for major switch and router platforms.

Optical transceiver aging and reliability test
Reliability Screening

Selected products support aging, temperature cycle, and stability testing for demanding applications.

Automatic labeling and traceability for optical transceivers
Traceable Quality Control

Inspection and production records support more consistent quality control and batch traceability.

光模块产品详情订购信息---QSFP+

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