Siemens
is set to supply VDSL2 (Very Fast Digital Subscriber Line) technology for
Deutsche Telekom’s€500 million high-speed broadband network. With transmission speeds of up to 50 megabits per second (Mbps), the new network is designed to provide sufficient capacity for bandwidth-hungry services such as television broadcasts.
The first stage will extend the network to ten German cities. Siemens will supply VDSL2 systems from its Surpass product line. The network will enable T-Com, the fixed network division of Deutsche Telekom, to offer high quality television and video services as well as fast internet access and high-quality communication over DSL lines.
The agreement between T-Com and Siemens covers three components: DSLAMs (DSL access multiplexers), Gigabit Ethernet switches and Broadband Remote Access Servers (BRAS).
Existing ADSL broadband networks in Germany give bandwidths of up to 16 Mbps. The new VDSL2 IP-DSLAMs will offer transmission speeds ranging up to 50 Mbps.
The Gigabit Ethernet switches provide the transmission capacity for services requiring a lot of bandwidth such as high-definition television (HDTV) programming without interfering with other services such as a broadband internet.
The central control units will be Broadband Remote Access Servers (BRAS) from Juniper, a Siemens partner. They manage the data link and employ hardware-based components to make sure that video content is streamed without delays. The video streams will be handled by Juniper T-Series routers.
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