Kaiam Corp. has announced availability of its upgraded 100G-CWDM4 transceiver series for high performance and reliability. The new CWDM4+ optical transceivers provide higher performance than the CWDM4 standard, Kaiam asserts.
MSA standard transceiver specifications can be insufficient in accounting for losses from data center fiber plant variations, causing deployment costs to spike, says Kaiam. Even use of transceivers with low failure rates can cause data center operating costs to rise, the company adds. Kaiam says that its CWDM4+ transceiver resolves both issues at no added cost.
The CWDM4+ transceivers provide minimum Tx OMA of -1 dBm. This is 3dB more than required by the CWDM4 standard, which consequently supports 3dB link budget above the CWDM4 standard requirements. For higher reliability, every completely assembled module goes through environmental test and burn-in before being shipped, much like a space-grade production process, along with routine chip-level screening. Kaiam states that the company’s technology platform enables it to supply this upgraded CWDM4+ performance at no additional cost over standard CWDM4.
Last September, Kaiam announced general availability of the XQX5000-series of QSFP28 100G-CWDM4 transceivers based on its LightScale2 platform (see "Kaiam offers 100G-CWDM4 transceivers based on LightScale2 Platform"). Similar to the original Kaiam transceivers, the upgraded transceivers are based on its LightScale2 platform, which streamlines optical and high-speed electrical paths alike.
By eliminating hermetic "gold boxes" and flex circuits, the LightScale2 platform provides improved signal integrity, enabling high product yields even under demandingCWDM4+ specs. Kaiam says the optical path is based on its Optical Wire Bond (OWB) technology, and uses less components than other legacy technologies, which leads to lower optical losses.
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