"The MT90840 Distributed Hyperchannel Switch is a large switching, multiplexing, and rate-adapting device. The MT90840 bridges serial-bus telecom components, using the Zarlink ST-BUS or other industry-standard serial buses, onto a higher speed ""backbone"". Mixed data, voice and video signals can be time-interchanged or multiplexed from serial Time Division Multiplexed (TDM) streams onto a high speed parallel bus. The parallel bus can be used for interconnect, or an external framer can be connected to the parallel bus to access serial isochronous backbones operating at up to 155 Mbps SONET rates."
512 X 2430 Channel Multiple Rate TDM ( 2, 4, 8 Mbps) to Parallel Port Distributed Hyperchannel Switch (DHS) for STS-1 and STS-3 Applications
The MT90840 Distributed Hyperchannel Switch is a large switching, multiplexing, and rate-adapting device.