The Cisco PS5171 QPSK Receiver/Demodulator and Cisco PS5180 CA Descrambler/Multiplexer are part of the Cisco VN 5900 and VN 5902 Video Networking Systems-high-performance video head-end solutions that receive audio and video streams from any satellite, terrestrial, or wireless source. The Cisco VN 5900 and VN 5902 Video Networking Systems perform a wide range of video processing and adapt the streams to any standards-based digital broadband network.
The Cisco PS5171 QPSK Receiver/Demodulator complements a complete TV content redistribution solution, by receiving and demodulating audio and video streams from satellites or terrestrial-based wireless networks. The Cisco PS5180 CA Descrambler/Multiplexer descrambles any or all of the video signals from a single MPEG-2 Multiprogram Transport Stream (MPTS).
The Cisco PS5171 QPSK Receiver/Demodulator supports Binary Phase Shift Keying (BPSK), Offset Quadrature Phase Shift Keying (OQPSK), and Quadrature Phase Shift Keying (QPSK) modulation schemes, and accepts L-band signals at data rates up to 57 Mbps. After demodulating the audio and video streams, the Cisco PS5171 QPSK Receiver/Demodulator sends the signals in Digital Video Broadcast/Access Server Integration (DVB/ASI) format to the system's descramblers or to MPEG-2 multiplexers for further processing. Alternatively, it outputs the signals through BNC connectors.