comment warning="Device Scan not supported by Radio Unit

h32446975

请教一下，这个告警：RRU不支持设备扫描的方式自动识别RCU（RET）的unique ID(基站天线电调序列号)，怎么解决？升级RBS软件？升级RRU软件？

<?xml version="1.0" encoding="UTF-8" ?>
<deviceScanResult>
    <ru ldn="ManagedElement=1,Equipment=1,FieldReplaceableUnit=RRU-1">
        <port id="A">
            <comment warning="Device Scan not supported by Radio Unit" />
        </port>
        <port id="B">
            <comment warning="Device Scan not supported by Radio Unit" />
        </port>
        <port id="R">