NPort W2150/2250 Plus Series User’s Manual Web Console: System Management
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System Management> Auto Warning Settings> Serial
Event Settings
The Serial Event Settings page is located under Auto Warning Settings in the System
Management folder. This is where you specify how the NPort will notify you of DCD and DSR
events for each serial port. Mail refers to sending an e-mail to a specified address. Trap refers to
sending an SNMP trap.
A change in the DCD (Data Carrier Detect) signal indicates that the modem connection status has
changed. If the DCD signal changes to low, it indicates that the connection line is down. A change
in the DSR (Data Set Ready) signal indicates that the data communication equipment is powered
off. If the DSR signal changes to low, it indicates that the data communication equipment is
powered down.
ATTENTION
SNMP indicates a change in DCD or DSR signals but does not differentiate between the two. A
change in either signal from “–” to “+” is indicated by “link up” and a change in either signal
from “+” to “–” is indicated by “link down.”
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