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Chapter 4: Web configuration
NS3552-8P-2S-V2 User Manual
61
Digital input/output
Digital input allows a user to log an external device (such as an industrial cooler) as
dead or alive, or something else. The system will log a user customized message into
system log and syslog, and issue SNMP trap or an alarm email.
Digital Output allows a user to monitor the switch port and power, and allows the
system to issue a high or low signal to an external device (such as an alarm) when the
monitor port or power has failed.
The page includes the following fields:
Object
Description
Enable
Select the
Enable
check box to enable the digital input/output
function.
Deselect the
Enable
check bo to disable the digital input/output
function.
Condition
As Digital Input:
Allows the user to select High to Low or Low to High. This means a
signal received by system is from High to Low or From Low to High. It
will trigger an action that logs a customize message or issue the
message from the switch.
As Digital Output:
Allows user to select High to Low or Low to High. This means that
when the switch is power-failed or port-failed, then system will issue a
High or Low signal to an external device such as an alarm.
Event Description
Allows user to set a customized message for Digital Input function
alarming.
Event
As Digital Input:
Allows the user to record alarm message to System log, syslog or
issues out via SNMP Trap or SMTP.
As default SNMP Trap and SMTP are disabled, please enable them
first if you want to issue alarm message via them.
Summary of Contents for NS3552-8P-2S-V2
Page 1: ...NS3552 8P 2S V2 User Manual P N 1073552 EN REV B ISS 25JAN19 ...
Page 41: ...Chapter 3 Switch management NS3552 8P 2S V2 User Manual 39 ...
Page 73: ...Chapter 4 Web configuration NS3552 8P 2S V2 User Manual 71 ...
Page 147: ...Chapter 4 Web configuration NS3552 8P 2S V2 User Manual 145 ...
Page 511: ......