Cisco Prisma II Installation Manual page 35

Receiver Description
1:1 Input, Two RF Outputs, Two OPMs
Referring to the diagram below, each QEDR transmitter digitizes a single RF signal
into a serial stream and transmits it over optical fiber to the receiver. At the receiver,
the serial streams from four separate transmitters are deserialized and converted
back to analog RF signals. The RF signals for transmitter #1 and transmitter #3 are
combined and sent to the RF Out Port A, the RF signals for transmitter #2 and
transmitter #4 are combined and sent to the RF Out Port B.
2:1 Input, One RF Output, One OPM
Referring to the diagram below, each QEDR transmitter digitizes two RF signals into
a 5 GHz serial stream and transmits it over optical fiber to the receiver. At the
receiver, the serial streams from two separate transmitters are deserialized and
converted back to analog RF signals. The RF signals for transmitter #1 and
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