69
Click for contents
Glossary
S.M.A.R.T. (Self-Monitoring, Analysis & Reporting Technology):
This
is an automatic system on modern HDDs and SSDs to detect potential
drive errors before they occur.
SMTP (Simple Mail Transfer Protocol):
This is used to send an out-
bound email (e.g. from you DVR or NVR to an email address).
SMTP Port:
Is the port number used by a SMTP server to listen for email
send requests. This is specified by your email provider.
SMTP Server:
This is the address of the server used for SMTP. Usually
in the form of a web address (e.g. smtp.gmail.com).
Software:
A set of instructions that runs on a computing device.
SSID:
Is the technical term for a wireless network name. When you set-
up a wireless network, you give it a name to distinguish it from other
networks in your neighbourhood.
SSL (Secure Socket Layer):
A secure method for connecting to servers.
In the context of the DVR or NVR, primarily used for email server con-
nections.
Static:
When referring to IP addresses, this is where a device’s IP ad-
dress has been manually entered. Sometimes used on older devices
without UIDs to prepare for internet access.
Static DNS:
In some circumstances, your internet service provider may
require you to use a static DNS instead of an auto DNS on your router.
Substream:
Is the video stream that your DVR or NVR will send to re-
mote devices via the network or internet. Video quality is reduced to
make it easier to send.
Subnet Mask:
Used to define which part of the IP address refers to the
network location. If this is incorrect, your DVR or NVR may not be able
to connect to the internet.
Time Server:
Is a server that reads the actual time from a reference
clock and distributes the information to its clients on the network.
Time Zone:
Is a region that observes a uniform standard time for le-
gal, commercial, and social purposes. It is convenient for areas in close
communication to keep the same time.
Timestamp:
Is a sequence of characters or encoded information identi-
fying when a certain event occurred, usually giving date and time of day,
sometimes accurate to a small fraction of a second.
UID (Unique Identifier):
Is an alphanumeric string that is associated
with a single entity within a given system. By entering your UID into
the mobile app or computer software, this allows you to communicate
with your DVR or NVR without having to remember IP addresses or port
numbers.
UPnP (Universal Plug and Play):
A network protocol designed to allow
network connected devices to automatically configure the router for the
purposes of remote access. Not required to be enabled when using UID.
VCA (Video Content Analysis):
Is a new method for triggering recording
and events. This uses the image processing system of the DVR or NVR
& camera to set specific triggers for recording (such as line crossing or
intrusion). This system does use more processing power, therefore it
may not be available on all devices.
Video Loss:
Is regarded as a potential alarm event and is considered to
occur any time your DVR or NVR doesn’t receive an active video signal
from any one of its video inputs.
Video Quality Diagnostics:
Enables your DVR or NVR to alert you if the
camera has a blurred image, abnormal brightness or unwanted tint in
the image due to the lighting and white balance of the camera (known
as Color Cast).
