40G QSFP+: 36440 QA List

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Juniper Networks QSFPP-4X10GE-SR Compatible 4x10GBASE-SR QSFP+ 850nm 400m DOM MPO-12/UPC MMF Optical Transceiver Module, Breakout to 4 x 10G-SR

P/N: QSFP-CSR4-40G#36440

All (14)Product Recommendation (3)Juniper EX Series (2)Warranty (2)Breakout 4x10G (1)Cable Type (1)Compatibility (1)Compatible Brand (1)Connectors (1)FEC (1)Lead Time (1)Transmission Distance (1)

Hi, I need to connect a high speed Juniper MX304 router to an old 1G port. Can this module be used together with https://www.fs.com/products/68059.html?attribute=6193&id=2069587 to connect to a 1G SFP SR module? Juniper states:1G-SX are also qualified to be used along with QSFPP-4X10GE-SR for 4X1G breakout

by R***r on 02/21/2025

Yes, this module can be used together with #68059 to connect with a 1G SFP SR module.

by FS.com on 02/22/2025

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What is FEC (Forward Error Correction)?

by K***o on 11/23/2024

FEC (Forward Error Correction) is an error correction technique todetect and correct a limited number of errors in transmitted data without the need for retransmission. It works by adding redundant bits to a bitstream to help the decoder odetect and correct some transmission errors without the need for retransmission. This function needs to be turned on by the transmission device.

by FS.com on 11/23/2024

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So can QSFP-CSR4-40G be compatible with Juniper device EX4600?

by E***a on 05/20/2023

Yes, please select #36440 Juniper Compatible, don't worry about compatibility issues.

by FS.com on 05/23/2023

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What is the lifecycle of QSFP-CSR4-40G?

by S***s on 05/15/2023

The warranty period of our QSFP-CSR4-40G is 5 years.

by FS.com on 05/18/2023

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