Vendors Agree TOSA/ROSA MSA

TOKYO -- Eudyna Devices Inc., Mitsubishi Electric Corp., Oki Electric Industry Co., Ltd., Opnext, Inc. and Sumitomo Electric Industries, Ltd., today announced the release of the common specifications for optical devices based on a 10 Gbit/s Miniature Device Multi-Source Agreement (XMD-MSA). The defined specifications are intended for optical devices capable of transmission over a distance of 20 km or more.

The XMD-MSA enables the use of optical devices from multiple suppliers. The XMD-MSA has been created to establish compatible sources of 10 Gbit/s Transmitter Optical Sub-Assembly (TOSA) and Receiver Optical Sub-Assembly (ROSA) devices embedded into the 10 Gbit/s XFP MSA module. The XFP module has been designed for use in large-capacity network and storage systems. This XMD-MSA covers optical devices that comply with 10 Gbit/s interface standards such as 10 Gigabit Ethernet, 10 Gigabit Fiber Channel and SONET OC-192.

The use of flexible printed circuits (FPC) absorbs TOSA/ROSA package design differences among suppliers. This results in the same XFP-housing structure and printed circuit board (PCB) for multi-supplier’s TOSA/ROSA.