What does SS stand for?

Glimmerglass provides pure optic switching systems that enable remote creation, monitoring and reconfiguration of optical connections in milliseconds.

A Revenue spokesman said the 20,000-litre underground tank had "a sophisticated electronic switching system buried under a layer of gravel".

He uses illustrations very well to explain the basics and a good deal of the not-so-basic, covering the basics of telephony, the many types and configurations of networks and how they link, network components, transmission systems, transmission networks, circuit-switching systems and networks, signaling and control, data packet switching and routing, mobile switching systems and networks, numbering and addressing.

Applications include industrial computers, computer test systems and telecom switching systems.

The company makes switching systems and cabinet solutions for client-server computer networks.

SDX specialises in switching systems for telephones at work.

The immediate impact of the agreement is that Big Blue will buy $30 million of Xylan's computer network switching systems over the next eight months.

Through advanced photonic technology, we have created an optical switching system that can be remotely managed via software to select and change the number of recipients for any input signal in milliseconds, with the flexibility to handle any date rate and any data format.