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

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

OSFP-400(4×100)-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 OSFP 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, delivering 106.25Gbps per lane over distances of up to 30m with OM3 fiber and 50m with OM4 fiber.The transceiver features an MPO optical receptacle for its interface and operates over multimode fiber systems with a nominal wavelength of 850nm. Its electrical interface is equipped with a 60-contact edge-type connector, ensuring efficient integration into high-speed networking environments.

SPECIFICATIONS
Product ModelOSFP-400(4x100)-85-005(SR4)-MPO8/12Manufacturer brandFC-LINK
Package TypeOSFPOptical 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<9WProtocols400G 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
Absolute Maximum Ratings
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 wavelengthλ844850863nm-
RMS spectral widthPm--0.6nm1
Average optical powerPo-4.6-4dBm2
Extinction ratioER2.5--dBm-
Optical modulation
amplitude(OMAouter)(max)		OMA3.5dBm-
Optical modulation amplitude (OMAouter)(min)
Max(TECQ,TDECQ)≤1.8dB
1.8<max(TECQ,TDECQ)≤4.4dB		-2.6
-4.4+max(TECQ,TDECQ)		-
Transmitter and dispersion eye closureTDECQ--4.4dB-
Transmitter eye closureTECQ--4.4dB-
Optical return loss toleranceORL--14dB-
Receiver
Center wavelengthλ842850948nm-
Average receive power,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---7.5dBm-
LOS hysteresisLh0.5--dB-
Note:
[1]Trade-offs are available between spectral width,centerwavelength 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.
OSFP Transceiver Electrical Pad Layout

Generic Compatible 400GBASE-SR4 OSFP 850nm 50m DOM MPO8/12 MMF Optical Transceiver Module
Pin Definition
PadSymbolName/Description
1GNDGround
2TX2pTransmitter data non-inverted
3TX2nTransmitter dataInverted
4GNDGround
5Tx4pTransmitter data non-inverted
6TX4nTransmitter data inverted
7GNDGround
8TX6pTransmitter data non-inverted
9TX6nTransmitter data inverted
10GNDGround
11TX8pTransmitter data non-inverted
12TX8nTransmitter data inverted
13GNDGround
14SCL2-wire serial interface clock
15VCC+3.3V power
16VCC+3.3V power
17LPWn/PRSnLow-power mode/module present
18GNDGround
19RX7nReceiver data inverted
20RX7pReceiver data non-inverted
21GNDGround
22RX5nReceiver Data Inverted
23RX5pReceiver data non-inverted
24GNDGround
25RX3nReceiver data inverted
26RX3pReceiver data non-inverted
27GNDGround
28RX1nReceiver data inverted
29RX1pReceiver data non-inverted
30GNDGround
31GNDGround
32RX2pReceiver data non-inverted
33RX2nReceiver data inverted
34GNDGround
35RX4pReceiver data non-inverted
36RX4nReceiver data inverted
37GNDGround
38RX6pReceiver data non-inverted
39RX6nReceiver data inverted
40GNDGround
41RX8pReceiver data non-inverted
42RX8nReceiver data inverted
43GNDGround
44INT/RSTnModule interrupt/module reset
45VCC+3.3V power
46VCC+3.3V power
47SDA2-wire serial interface data
48GNDGround
49TX7nTransmitter data inverted
50TX7pTransmitter data non-inverted
51GNDGround
52TX5nTransmitter data inverted
53TX5pTransmitter data non-inverted
54GNDGround
55TX3nTransmitter data inverted
56TX3pTransmitter data non-inverted
57GNDGround
58TX1nTransmitter data inverted
59TX1pTransmitter data non-inverted
60GNDGround
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.

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