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Introduction
In this article, we will briefly introduce the 40GBASE-ER4 Ethernet standard and its optical transceivers compatible brands and basic solutions, so that allows viewers to have a more profound understanding for 40GBASE-ER4 technology, better to understand the basic solutions to 40GBASE-ER4. Also to see which brands can be compatible with Cozlink transceivers, helping buyers to buy both compatible and cost-effective products.
What is the 40GBASE-ER4 technology?
40GBASE-ER4 ("extended range") is a port type for single-mode fiber being defined in P802.3bm and uses 1300 nm lasers. Its Physical Coding Sublayer 64b/66b PCS is defined in IEEE 802.3 Clause 82 and its Physical Medium Dependent PMD in Clause 87. It uses four wavelengths delivering serialized data at a rate of 10.3125 Gbit/s per wavelength.
40GBASE-ER4 compatible brands:
| Compatible Brand | Part Number | Description |
| cisco | QSFP-40G-ER4 | Cisco QSFP-40G-ER4 Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km DOM Transceiver |
| juniper | QSFP-40G-ER4 | Juniper Networks QSFP-40G-ER4 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| avaya | AA1404003-E6 | Avaya Nortel AA1404003-E6 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| intel | E40GQSFPER | Intel E40GQSFPER Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| hp | JG661A-40 | HP JG661A-40 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| dell | 430-4917-40 | Dell Networking 430-4917-40 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| arista | QSFP-40G-ER4 | Arista Networks QSFP-40G-ER4 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| h3c | QSFP-40G-ER4-SM1310 | H3C QSFP-40G-ER4-SM1310 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| finisar | FTL4E1QE1C | Finisar FTL4E1QE1C Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| finisar | FTL4E1QM1C | Finisar FTL4E1QM1C Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km DOM Transceiver |
| extreme | 40GB-ER4-QSFP | Extreme Networks 40GB-ER4-QSFP Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
| huawei | QSFP-40G-ER4 | Huawei QSFP-40G-ER4 Compatible 40GBASE-ER4 QSFP+ 1310nm 40km DOM Transceiver |
Cozlink products and services: a convenient shopping platform, custom Logo, packaging, etc.
What are the Difference Between 40GBASE-ER4 and 40GBASE-LR4?
The 40GBASE-ER4 QSFP Module supports link lengths up to 40km over G.652 single-mode fiber with duplex LC connectors. The 40GE or OTU3 signal is carried over four wavelengths in the 1310nm range. Multiplexing and DE multiplexing of the four wavelengths are managed within the device.
The 40GBASE-LR4 QSFP module supports link lengths of up to 10 kilometers over a standard pair of G.652 single-mode fiber with duplex LC connectors. The 40 Gigabit Ethernet signal is carried over four wavelengths. Multiplexing and DE multiplexing of the four wavelengths are managed within the device.
Conclusion
As a lot of brands are only compatible with their own devices and this is where the third-party compatible optical transceiver becomes really important to insure ensures that the brands are equipment of these brands are compatible with each other, Cozlink is one of the most trusted source to provide high performance transceivers which are compatible with a lot of different brands, Also, the prices you get on Cozlink is much less than the original manufacturer. All this makes stands out Cozlink as the perfect place for third-party compatible optical transceiver for 40GBASE-ER4 Ethernet standard solution. Not just optical transceivers, you can also find fiber optic pigtails and high speed cables for your choice on Cozlink.
