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dallmeier DF4910HD-DN
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DF4910HD-DN | DDF4910HDV-DN-IM/-SM
www.dallmeier.com 47
Note the explanations below.
Connection Type
This setting denes the transfer rate and the duplex mode.
The “Connection type > automatic” (Autonegotiation) is sufcient for most applications.
Bandwidth Limit
Limiting the bandwidth (maximum allowed peak bit rate) can be useful to prevent video
artifacts or frame drops due to packet loss with low bandwidth connections.
Domain Name System (DNS)
Since IP addresses are rather difcult to remember, you can also refer to devices by their
host names which allows you to locate the devices or hosts more easily on the LAN (Lo-
cal Area Network).
The mapping of host names to their corresponding IP addresses is handled by the so-
called Domain Name Service (DNS server required). In addition, IP address mapping can
also be stored directly in the hosts le on your local computer.
The Host name (or more appropriately the short host name) species the name of the
machine itself (e.g. myhostname).
The Domain name is usually the network domain within your LAN associated with your
company and department (e.g. example.com or intranet.example.com).
Host names are resolved by special DNS servers (known as “name servers”).
Resolving host names into IP addresses requires the assignment of a primary name
server (DNS server 1, e.g. ns1.example.com) and, for reasons of reliability and avail-
ability, a secondary name server (DNS server 2, e.g. ns2.example.com).
For example, to refer to the device by its long host name or fully qualied domain name
(FQDN), you can simply use myhostname.example.com. Depending on the DNS
server or hosts le settings, you can also refer to the device by simply using its short host
name (myhostname).
Search domains (max. 5 allowed, separated by spaces) are useful if a dened alarm
host or UTC time server is not located in your specied domain name.

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