Dual Protected Configuration - GE MDS SD Series Technical Manual

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Dual Protected Configurations
Two dual transceiver configurations are offered for the SD Series. They
are known as the SDxDT and the SDxDP. These configurations are used
for the following purposes:
• When full duplex operation is desired using dedicated Transmit
and Receive transceivers.
• When a Master or Repeater site requires bandpass duplexers due
to the presence of co-located antennas.
• When streaming Repeater operation is desired using dedicated
Transmit and Receive transceivers
The SDxDT uses the same chassis as the SDxP described above. How-
ever, one radio is configured with the transmit frequency and the other
for the receive frequency with appropriate connections between them. It
also includes a bandpass duplexer tuned to a specific frequency for
simultaneous transmission and reception (full duplex) operation. Note
that the SDxDT provides one serial port and one Ethernet port for user
equipment.
The SDxDP is a protected, full duplex Master or Repeater site configu-
ration. This configuration consists of two SDxP chassis described
above, with appropriate interconnect cabling between the units. The
radios in one SDxP are configured with the transmit frequency and the
radios in the other are configured with the receive frequency. The
SDxDP also includes a bandpass duplexer tuned to a specific frequency
for simultaneous transmission and reception (full duplex) operation.
SD Series Technical Manual MDS 05-4846A01, Rev. D