Cooper Bussmann 5073E-T Manual do Utilizador descarregar pdf (Página 42)

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Cooper Bussmann 5073E-T Managed Ethernet Switch User Manual

Rev Version 1.1

Digital Input Choose the transition type to trigger DI0 or DI1:

• Low-->High—When this option is selected, DI0/DI1 will only report the status

when the voltage of the external device changes from low to high.

• High-->Low—When this option is selected, DI0/DI1 will only report the status

when the voltage of the external device changes from high to low.

• Both—When this option is selected, DI0/DI1 will report both the status when the

voltage of the external device changes from high to low or low to high.

Event description Enter a description for the event.

NOTE If you do not specify an event description, events in response to the

trigger will not appear in the Syslog.

Action Select the Action checkboxes to send the events via Syslog, or SNMP Trap.

Digital Output

Setting

Enabling DO0 makes the first digital output (DO0) available. Enabling DO1 makes the

second digital output (DO1) available.

Condition Select the checkboxes to specify whether events are sent via digital output for port

fail, power fail, or both.

Action Choose the transition type:

• Low-->High—When switch receive the event about port fail or power fail, DO0/

DO1 will switch the output voltage from low to high.

• High-->Low—When switch receive the event about port fail or power fail, DO0/

DO1 will switch the output voltage from high to low.

6.4.8 DHCP Server

Dynamic Host Configuration Protocol (DHCP) is a protocol for assigning dynamic IP addresses to devices on a

network. With dynamic addressing, a device can have a different IP address each time it connects to the network.

In some systems, the device IP address can change while it is still connected. DHCP also supports a mix of static

and dynamic IP addresses. Dynamic addressing simplifies network administration because the software keeps track

of IP addresses rather than requiring an administrator to manage the task. This means that a new computer can be

added to a network without manually assigning it a unique IP address.

DHCP Server Configuration

To configure the switch as a DHCP server, choose System-->DHCP Server-->Server Configuration.

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Cooper Bussmann 5073E-T Manual do Utilizador Página 42