ZTE Corporation R8882S8500 Manuale Utente
ZXSDR R8882 Product Description
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Processes clock signals.
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Provides LED indication.
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Provides external monitoring interfaces.
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Supports local or remote monitoring.
PAD
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Amplifies downlink radio signals received from the TRM, and outputs the amplified
signals to the FLD.
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Amplifies four signals received from the FLD through the LNA, and then sends the
amplified signals to the TRM.
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Provides a pre-distortion feedback interface for the TRM.
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Provides an interface to the TRM for Voltage Standing Wave Ratio (
) detection
(forward power detection).
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Supports separate switch-off.
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Supports inner-module temperature detection.
FLD
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Transmits and receives uplink and downlink signals in duplex mode.
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Suppresses spurious emission on the downlink to get acceptable out-band Tx
spurious emission required by the system and related protocol.
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Suppresses interference signals on the uplink to achieve a satisfied noise coefficient.
EPB
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Provides lightning protection for -48 V power supply.
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Provides -48 V power filter.
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Protects AISG signals (AISG power, half-duplex 485 signal).
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Performs dry contact protection.
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Protects the RS485 monitoring signals.
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Provides adaptation for external MON interface, AISG interface, and power interface.
2.2 Software Subsystem
shows the software subsystem of the ZXSDR R8882.
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SJ-20150104112914-001|2015-01-04 (R1.0)
ZTE Proprietary and Confidential