SURVEILLANCE SYSTEM
13
FOUR CHANNEL DIGITAL VIDEO RECORDER SC148
18 SYSTEM > NETWORK
Network menu allows the configuration of basic network settings.
› NET CARD: DVR networking module.
› DHCP: Dynamic Host Configuration Protocol is a networking
function that automatically acquires an IP address from
a device in the same network (usually a router). DHCP
is usually used when IP address management can be a
complex task, like in networks with a lot of devices. All
devices in a network need to own a unique IP address for
them to function properly. DHCP is enabled by default so the
following settings will be acquired automatically.
› IP ADDRESS: IP address is a set of numbers that determine
the address of the DVR in the local network. This number
is used to locate the DVR in the network when trying to
access it with another device. This DVR uses IPv4 addressing,
where the IP address consists of four sets of numbers (0-255)
separated by a period.
› SUBNET MASK: This refers to a subdivision of a local IP
network. Subnet Mask works in conjunction with the IP
address and splits the address into 2 parts which are a
network prefix and host identifier. For example, if the IP
address is 192.168.1.100 and subnet mask is 255.255.255.0,
the network prefix will be 192.168.1.0 and the host identifier
will be 0.0.0.100.
› GATEWAY: IP address of the router in the local network that
communicates with the larger network, the internet.
› PRIMARY DNS: Domain Name Server translates the IP address
of a device such as 192.168.1.100 into a domain name
such as mydvr.orionlive.com.au. A Domain Name Server is
required for this functionality. For advanced users only.
› SECONDARY DNS: Backup Domain Name Server. In any
case that communication with primary DNS fails, the DVR will
communicate with secondary DNS. For advanced users only.
› QUALITY: Quality of the video recording. When VBR is
selected, there are 6 quality options for the video stream.
› BIT RATE: Amount of data transmitted over time. The
quality of the video recording directly correlates to the bit rate.
The higher the bit rate, the higher the quality of the video
recording.
› VIDEO/AUDIO: Check the box to enable video or audio
recording.
› TCP PORT: Port that the DVR utilises to send video stream
and other information through to the VMS software. Default
TCP port is 34567.
› HTTP PORT: Port the DVR utilises to send video stream
and other information through to the internet browser.
Default HTTP port is 80.
› HS DOWNLOAD: Enable high speed file download through
the network.
› TRANSFER POLICY: This defines how the DVR transfers data
through the network. There are 3 policies.
> ADAPTIVE: Adjusts the data transmission according to
network speed. This setting adjusts image quality and
fluency based on current network speed.
> QUALITY: Always transfers the best image quality
regardless of network speed. Video fluency may be
adversely affected during low network speed.
> FLUENCY: Always transfers fluent video. This setting
compromises on image quality to improve video fluency
during low network speed.
19 SYSTEM > NET SERVICE
Net Service menu allows the configuration of network services.
› PPPOE: Point-to-Point Protocol Over Ethernet lets the DVR
to connect to the internet using a username and password.
Contact your Internet Service Provider to obtain a username,
password and IP address if your local network is connected
to the internet using PPPOE. Advanced users only.
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