APC Automatic Disconnect Switch Guia do Utilizador descarregar pdf (Página 63)

USER’S GUIDE

AUTOMATIC TRANSFER SWITCH

DNS servers

The Network Management Card cannot send any e-mail unless the IP

address of the primary DNS server is defined.

The Network Management Card will wait a maximum of 15 seconds for a

response from the primary or (if specified) the secondary DNS servers. If

the Network Management Card does not receive a response within that

time, e-mail cannot be sent. Therefore, use DNS servers that are on the

same segment as the Network Management Card or on a nearby segment

(but not across a wide-area network (WAN)).

Once you define the IP addresses of the DNS servers, verify that DNS is

working correctly by entering the DNS name of a computer on your network

to test whether you can look up the IP address for that computer.

See DNS.

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APC Automatic Disconnect Switch Guia do Utilizador Página 63