User manual
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Port 1, 2...12, if the port is connected properly the status should be LINK, no connection status will be
LOS.
6.2.2 Configuration network
Device configuration support two modes, DHCP and static IP address, can get the device‟s IP address via
client when the DHCP function is running, if you need NTP that need to connect internet, please enter the
available and correct gateway and DNS address.
(Figure 6.2.2.1)
IP Address
IP address is a address of 32 bits length which is assigned to the device on the internet. The IP address
consists of two fields: the network number field (net-id) and the Host ID field (host-id). For can
conveniently manage IP address, IP addresses are divided into five categories. As blow
：
Network type Address range Available IP network range
A 0.0.0.0
～
126.255.255.255 1.0.0.0
～
126.0.0.0
B 128.0.0.0
～
191.255.255.255 128.0.0.0
～
191.254.0.0
C 192.0.0.0
～
223.255.255.255 192.0.0.0
～
223.255.254.0
D 224.0.0.0
～
239.255.255.255 Non
E 240.0.0.0
～
246.255.255.255 Non
Others 255.255.255.255 255.255.255.255
A, B, C class address is unicast address; D class address is multicast address; E class address is
reserved to prepare for the future for special purposes.
IP address using dotted decimal.
Each IP address is represented as four decimal integers separated by
decimal points, each integer corresponds to a byte, such as, 10.110.50.101.
Default Gateway
Default gateway in the host PC is generally called default route. Default route refer to a kind of router that
destination address of IP data packet will choose when it don‟t find other existing route. All data packets
of destination address which
don‟t exist in the list of router will choose default route.