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FS P/N: QSFP-LX4-40G
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All orders to destinations within UK and EU members are dispatched from our primary warehouse in Munich, Germany. In accordance with the laws governing members of the European Union and General Tax Law of Germany, FS.COM GmbH is obliged to charge a regular 19% VAT on all items delivered to UK and EU members.
VAT will be exempted for orders delivered to UK and EU members (except Germany), if buyers are EU businesses and valid European Union Value Added Tax Identification Numbers are offered at checkout page.
After you complete the delivery address at checkout page, you will be able to see an exact total amount inclusive of applicable VAT in order summary. Learn more
This promotional product is limited to 310 pc(s) and will be removed once sold out.
For more quantities, please contact your account manager.
|Cisco Compatible||QSFP-40G-UNIV||Vendor Name||FS|
|Form Factor||QSFP+||Max Data Rate||41.2Gbps (4×10.3Gbps)|
Lane Center Wavelengths Range
|Max Cable Distance|
Full 2km via SMF reach requires the use of FEC on the host platform.
|Connector||LC Duplex||Cable Type||MMF/SMF|
|Transimitter Type||DFB CWDM||Receiver Type||PIN|
|DDM/DOM||Supported||Commercial Temperature Range||0 to 70°C (32 to 158°F)|
|TX Power (MMF)||-7~4.3dBm||TX Power (SMF)||-10~2.3dBm|
|Receiver Sensitivity (MMF)||<-10dBm||Receiver Sensitivity (SMF)||<-13.7dBm|
|Receiver Overload (MMF)||4.3dBm||Receiver Overload (SMF)||2.3dBm|
|Powerbudget (MMF)||3.5dB||Powerbudget (SMF)||0.5dB|
|Power Consumption||<3.5W||Extinction Ratio||>3.5dB|
|Transmit and Dispersion Penalty (MMF)||4.7dB||Transmit and Dispersion Penalty (SMF)||2.6dB|
|Packaging Technology||BOX Packaging||Host FEC||Supported|
|EMC (Electro Magnetic Compatibility)||Supported||Bit Error Ratio (BER)||1E-12|
|Modulation Format||NRZ||Protocols||40G Ethernet, MSA Compliant|
|Application||40G Ethernet over MMF and SMF, Data Center, Infiniband QDR and DDR||Warranty||5 Years|
Low power consumption＜3.5W, saving power
Stainless steel material, anti-corrosion, and salt spray resistance
DDM for real-time monitoring supply volt, temp, bias current, and TX & RX power
Fully compatible with almost all Cisco devices
High-speed interconnection between switches, routers, servers, etc.
Suitable for large data centers, campus, metropolitan area network, and other network environments
Class 1 laser safety compliant
Class B EMC, IEC 61000-4-2 Anti Electro-Static Discharge and IEC61000-4-3 Radiation Resistant
Compliant with 40G Ethernet, QSFP+ MSA
Transceiver DDM Information and Connectivity Test Using CLI Command
QSFP-40G-SR4 Cisco Compatible Module Testing
40GE Data Center Cabling Options – Transceivers & Direct Attach Cables
40GBASE-SR4 vs. LR4 vs. CSR4 vs. CR4
40G QSFP+ to 10G SFP+ Configuration Guide
Why Use QSFP-40G-UNIV Transceiver for 40G Network?
FS Helps Build a Data Center Core With High Availability
DWDM Solution for Long Distance 40G Network
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