Serial Event Settings
On the Serial Event Settings page, you may configure how administrators are notified of each serial port’s DCD
and DSR changes. Mail refers to sending an e-mail to a specified address. Trap refers to sending an SNMP Trap.
Dout is only available on the NPort 6450 and 6650, and refers to changing the status of the relay output (the
DOUT socket at the back of the NPort 6000) and of the alarm LED.
DCD changed
A change in the DCD (Data Carrier Detect) signal indicates that the modem connection status has changed. For
example, if the DCD signal changes to low, it indicates that the connection line is down. When the DCD signal
changes to low, the NPort 6000 will automatically send a warning to the administrator as configured on the
Serial Event Settings page.
For the NPort 6450 and 6650, after the relay output status has been changed, administrators may reset its
status by selecting Acknowledge Event from the NPort 6000 console, or by correcting the DCD signal. Please
refer to the section on System Monitoring later in this chapter for more information.
DSR changed
A change in the DSR (Data Set Ready) signal indicates that the data communication equipment is powered off.
For example, if the DSR signal changes to low, it indicates that the data communication equipment is powered
down. When the DSR signal changes to low, the NPort 6000 will automatically send a warning to the
administrator as configured on the Serial Event Settings page.
For the NPort 6450 and 6650, after the relay output status has been changed, administrators may reset its
status by selecting Acknowledge Event from the NPort 6000 console, or by correcting the DSR signal. Please
refer to the section on System Monitoring later in this chapter for more information.
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