purpose

    display the system status information, and optionally clear the status registers.

    syntax

    dsp sys st

    use

    1. to view the current system status, type:

    dsp sys st[enter]

    2. to view the system status and then clear the displayed error event registers,type:

    dsp sys st/c[enter]

    3. to monitor the system status, type:

    dsp syb st/r[enter]

    the display will be automatically updated.

    4. to stop monitoring, press [break].

    the system status fields are as follows:

    srev software version

    function dsu, dsu/ltu

    test lists the active ioopbacks:

    1 none- no ioopback

    2 la ml, r ch, bert - see chapter 5 for ioopback details.

    nodal clock indicates the source for the link transmit clock: int, lbt, ext.

    alarm lists the fcd-2 alarm indications: none, local sync loss, remote sync loss.

    oof count contents of the out-of-frame counter is reset every 100 msec.

    oos count indicates the number of out-of-service events that occurred since the last count clearing using the/c option.

    maximum 65535.

    crc-4 indicates the number of crc errors that occurred since the last counter clearing using the/c option. maximum 65535.

    bpv last minute indicates the number of bpv detected during the last minute.

    maximum 65535.

    bpv max indicates the number of bpv detected during the worst minute since the last clearing. maximum 65535.

    the bpv counts are displayed only when crc-4 is disabled