Cisco ONS 15500 Series Protection Switch Module

The ONS 15500 Protection Switch Module (PSM) provides fiber trunk protection in a point-to-point Metro DWDM network. The PSM module provides protection against a fiber cut by optically splitting the data streams over two diverse paths. This new protection scheme now offers ONS 15530 and ONS 15540 based disaster recovery/business continuance solutions at even more competitive price points.

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