User`s manual

NPort 6000 Series User’s Manual System Management Settings
9-9
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