QSFP-40G-LR4-20 40GBASE-LR4 QSFP+ 1310nm 20km LC Optical Transceiver Module

1. Max. Power Consumption 3.5W
2. Link Up to 20 km via Singlemode OS2
2. LC Duplex Connector, DFP+PIN
3. Digital Optical Monitoring Support
4. For Data Centers and 40G Ethernet Applications
5. Compliant with SFF-8436 and QSFP MSA

Model Name 6C-QSFP+-LH4-20 Vendor Name 6COM
Form Factor QSFP+ Data Rate 40 Gbps
Wavelength 1310nm Distance 20km@OS2
Connector LC Duplex Cable Type OS2 SMF
Transmitter Type DFB Receiver Type PIN
TX Power -4~2.3dBm Receiver Sensitivity <-11.5dBm
Power Consumption <3.5W Temperature 0 to 70°C (32 to 158°F)
DDM Support Bit Error Ratio (BER) 1E-12
Protocols QSFP+ MSA, SFF-8436, 40G Ethernet Warranty 3 Years
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CompatibilityTest for QSFP-40G-LR4-20

Reliable manufacturer and seller of optical network products

What Can 6COM Bring to You

Powerful and comprehensive OEM service

From manufacturer name info to module labeling and packaging, our OEM service meets all your requirements.

The most competitive purchase cost in the industry

6COM's excellent production management model makes the module price at the bottom of the industry in the market. You can get the best quality products at budget.

Industry-leading after-sales processing capabilities

6COM has been in this business for 12 years. We have rich experience in dealing with various problems, you can rest assured to buy products at 6com without worrying about after-sales problems.

Various swtiches for compatibility testing

Since 2010, 6com has purchased more than 140+ network switches, covering popular equipment of 10G/40G/100G brands.


Interoperability Matrix