EMC Certifies Microsens' CWDM

EMC has tested the Microsens CWDM system for conformance to its Symmetrix, DMX-, und Switch-communications SAN storage products

May 3, 2004

2 Min Read

HAMM, Germany -- EMC tested the MICROSENS CWDM systems for conformance to its own SAN Storage products. The focus was to confirm the general availability of MICROSENS CWDM systems for all Symmetrix, DMX- und Switch-communications. Extensive tests at the storage specialist site did proof that.

To get a realistic emulation in a typical environment a large number of Real-time-Data mirroring applications were configured via the Fibre Channel interface of a Symmetrix 8000 Test-Installation. Main focus was the long distance transmission using several Fibre Channel interfaces via a 70 km long Fiber-link realised with the MICROSENS CWDM system.

The CWDM systems behave completely transparent for all EMC applications and did comply with all Fibre Channel and Gigabit Ethernet standards. An official test report confirms the compatibility of MICROSENS CWDM components.Additionally the CWDM system did offer an extremely compact design and did fit to all EMC requirements.

The management summary of this test report concludes with the recommendation for the official status "Supported with RPQ".


Increasing bandwidth requirements resulted from rising amount of transferred data leads inevitably to the higher demand for the backbone capacities. A fast and economical solution is the more efficient use of existing fiber lines through the active wavelength multiplexing called also CWDM (Coarse Wavelength Division Multiplexing). With the CWDM technology different wavelengths are used for the parallel transfer of several signals.

CWDM technology has established itself as a cost-effective alternative to DWDM technology for the multiple utilization of glass fibers. Depending on the optical fiber quality, between 8 and 16 channels per fiber can be used.

The new MICROSENS CWDM system offers a soft migration by combining CWDM and DWDM technologies intelligently. In its basic stage, the current system offers up to 8 CWDM channels. When capacities need to be expanded, each individual CWDM channel can be expanded by up to 8 DWDM channels, allowing the implementation of up to 64 optical channels in the maximum stage.

Microsens GmbH & Co. KG

EMC Corp.

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