Network / IP Camera User Manual

Network / IP Camera User Manual
Network / IP Camera
Power
Lan
WLan
User Manual
Preface
Congratulations on your purchase of this product. Read this
manual carefully and keep it in a safe place for future reference.
About this Manual
This user manual has been designed to help you make the
most of your IP camera and its many features and functions.
Information in this document has been carefully checked for
accuracy; however, no guarantee is given to the correctness of
the contents. The information in this document is subject to
change without notice.
Copyright
© Copyright 2006
This manual contains proprietary information, protected by
copyright. All rights reserved.
Table of Contents
Introduction .................................................................................. 1
Key Features .............................................................................. 1
Package Contents ...................................................................... 2
Product Views............................................................................. 3
Front View ............................................................................3
Back View ............................................................................3
Bottom View .........................................................................3
Indicators................................................................................. 4
System Requirements ................................................................ 4
Getting Started ............................................................................. 5
Software Installation ................................................................... 5
Hardware Installation .................................................................. 6
Assembling the Stand ............................................................. 6
Connecting to a Network ......................................................... 7
Connecting Power ................................................................... 7
Initial Configuration ..................................................................... 8
Using an Internet Browser to Connect to the Camera........... 10
Using and Configuring .............................................................. 11
Web Page Layout ..................................................................... 11
Saving an Image ................................................................... 12
Recording a Video Clip.......................................................... 13
Viewing Multiple Cameras via the 4-Port Function................ 14
Configuring the Camera ........................................................... 15
Configuring Basic Settings .................................................... 16
Configuring System Settings..............................................16
Configuration Settings ................................................. 16
Firmware Upgrade ....................................................... 17
Others Settings ............................................................ 18
Configuring Network Settings.............................................19
Ethernet Settings ......................................................... 19
Wireless Settings ......................................................... 20
PPPoE Settings ........................................................... 21
DDNS Settings............................................................. 22
Configuring User Settings ..................................................23
Configuring Video Settings.................................................24
4-Port Monitor Setting ........................................................25
Configuring Advanced Settings ............................................. 25
Configuring FTP Settings ...................................................25
Configuring Mail Server Settings........................................26
Configuring GPIO Settings.................................................27
Configuring Tcp Message Settings ....................................28
Configuring Breach Manager Settings ...............................29
Appendix..................................................................................... 30
Specifications ........................................................................... 30
Maintenance ............................................................................. 33
Troubleshooting ........................................................................ 33
Glossary...................................................................................... 34
Key Features
Introduction
This section covers unpacking your new IP camera, its key features, and basic technical information about the product. Refer
to later chapters for information on setting up and configuring
the product in more detail.
Key Features
• 640x480 (VGA), 320x240 (QVGA), 160x120 (QQVGA)
resolutions
• 307,200 effective pixels
• Max. frame rate 25fps at VGA resolution
• 3.6 mm, F2.0 lens
• Configuration and viewing via standard internet browser
• Built-in microphone
• Motion detection feature
• Email and ftp alert feature
• Automatic infrared night vision function
• External GPIO sensor input
1
Package Contents
Package Contents
The package should contain all the following. If anything is
missing or appears damaged, contact your dealer immediately.
IP camera module
Mounting bracket
Power
Lan
WLan
RJ-45 cable
AC power adaptor
Mounting screws
Quick start guide
Quick St
art Guide
CD-ROM with manual
and software
2
Product Views
Product Views
Use the following illustrations to familiarize yourself with the
camera and identify each of the parts.
Front View
Lens Assembly
Light Sensor
Power Indicator
Power
Lan
Night Vision
IR LEDs
WLan
LAN Indicator
WLAN Indicator
Microphone
Back View
Wireless
Receiver
Antenna
GPIO
Port
DC-IN
Socket
RJ-45 LAN
Connector
GPIO Port
Connectors
DC 5V
Lan 10 / 100
GPIO 1DO / 2DI
DI1 DI2
NC
COM
NO
Bottom View
Mounting
Point
3
System Requirements
Indicators
The following table shows what each of the LED indicators
means.
LED
Color
Description
LAN
Green
Network activity indicator
Power
Green
Power indicator
System Requirements
The system requires an ethernet port/wireless connection and
an IP address.
To view the IP camera images, your computer must have:
• Microsoft Windows 98, ME, NT4.0, 2000, or XP operating
system. A Mac or Linux based machine is also compatible.
• Microsoft Internet Explorer 5.x, or later.
4
Software Installation
Getting Started
Read this section of the manual to learn how to set up your IP
camera and use its basic functions.
Software Installation
You do not need to install any software for simply viewing
images from the IP camera, but you will need to use the supplied auto scan software to set the camera up for the first time
and find it on the network.
To install the auto scan software:
1. Insert the supplied CD-ROM into your CD-ROM drive.
2. If the installation does not start automatically, use a file
explorer application to execute setup.exe in the root
folder on the CD-ROM.
3. Follow the on-screen instructions.
4. Install IPCam Master to use IPCam Master.
5
Hardware Installation
Hardware Installation
Read this section to learn how to install the camera and connect
it to a network.
Assembling the Stand
The camera can be assembled in two different ways; either
from the top of the unit or the bottom.
Assemble the stand and fix it to the camera as shown.
Use the three screws and plugs provided
to fix the stand bracket to a wall, ceiling or
other convenient fixing point.
The stand can be adjusted to allow the
camera a full 360º of rotation and a pan
and tilt action.
Power
Lan
Follow the above steps to mount from the
base of the unit, attaching the stand
bracket to the mounting point on the base
of the unit.
WLan
Warnings
• Ensure the camera is fixed securely otherwise it
may fall and cause injury.
• The camera is not waterproof and should not be
mounted outside or in a position where it could
become wet.
6
Hardware Installation
Connecting to a Network
The IP camera can be connected to an Ethernet network using
the RJ-45 port as shown. Connect the camera to an Ethernet
hub or switch using a standard cable. You can also connect the
camera directly to a computer using the supplied cable.
DC
GPI
0/10
Lan 1
O IDO
/2D
5V
I
0
Connecting Power
Connect the power adapter to the DC-IN socket on the camera
as shown.
DC
GPI
0/10
Lan 1
O IDO
/2D
5V
I
0
Use only the power adapter with the camera. Using
another adapter, not recommended by the manufacturer, may damage the camera and invalidate the warranty.
7
Initial Configuration
Initial Configuration
Read this section to learn how to configure and begin using the
IP camera. A complete description of the features and functions
can be found in the next chapter.
To install the camera on a network, you first need to give it an IP
address. Ask your network administrator to obtain an IP
address suitable for your network, along with a netmask, the
gateway address , and http port.
Connect the IP camera to your network or host PC as described
in “Connecting to a Network” on page 7.
Note:
Connecting the camera to your network before you
have configured an IP address may cause problems
such as address conflicts. To avoid these problems,
connect the camera to an isolated PC with a hub or
cross-over cable to configure the network settings.
Start the IPCam Master software.
Click the Update button to scan for your camera. A list of cameras connected to the network will appear in the window.
8
Initial Configuration
Enter the IP address, netmask, gateway address and http port
provided to you by your network administrator:
Camera List
Update
Conifguration Fields
Exit
Submit
If you want to connect using DHCP, check the Enable DHCP
checkbox.
Click the Submit button to update the camera with the new configuration.
When the above steps have been completed, you can double
click the name of the camera in the display window to connect
to it using your default browser. Alternatvely, you can connect to
the camera by entering the IP address in the browser address
field.
9
Initial Configuration
Using an Internet Browser to Connect to the
Camera
Read this section to learn how to use your Internet browser to
connect to the IP camera, view images, and hear audio output.
To connect to the IP camera using an Internet browser:
Enter the IP address of the camera in the browser address field.
10
Web Page Layout
Using and Configuring
Read this chapter to learn how to operate the IP camera and
take advantage of the advanced features such as alerting, and
ftp transfers.
Web Page Layout
1
2
3
4
5
6
Use the menu bar on the left side of the screen to perform
actions and enter the sub-menus:
1. Snap Image: Click to save the current image.
2. Record AVI: Click to record an AVI video clip.
3. Configuration Setting: Click to enter the settings submenus.
4. 4-port Viewer: Click to view the output of up to four other
IP cameras on the network.
5. Audio On/Off: Click to turn audio on or off.
6. Motion Indicators: These indicators flash red and blue
alternately when motion is detected.
See the following sections for more information on each of
these menu items.
11
Web Page Layout
Saving an Image
To save the image currently displayed in the main window, do
the following:
Click the
tab on the menu sidebar. A save dialog appears:
Enter a filename, select a file type from the dropdown menu,
and click the
button.
12
Web Page Layout
Recording a Video Clip
To record a video clip (AVI file), do the following:
Click the
tab on the menu sidebar. A settings
window appears:
Enter the frame rate you want to record at.
Enter the duration of the recording.
Enter the file prefix and the file path you want to save the file to.
If you want to record continuously, check the Continuous
Recording checkbox.
Click the
recording.
button to confirm all settings and begin
The menu icon will turn red
during recording.
13
Web Page Layout
Viewing Multiple Cameras via the 4-Port
Function
To view up to four cameras connected to your network at one
time, you can use the 4-port camera function.
To view multiple cameras in the display window, do the following:
Click the
appears.
tab on the menu sidebar. The settings screen
Click Basic Setting on the menu sidebar and then
Monitor in the submenu. The 4-port monitor setting screen
appears:
Enter the IP address, port, login and password of each camera
you wish to view and check the Enable checkbox.
Click the
14
button to confirm your settings.
Click the
screen.
tab on the menu sidebar to return to the main
Click the
mode.
tab on the menu sidebar to switch to 4-port viewing
Configuring the Camera
Configuring the Camera
Read this section of the manual to learn how to configure the IP
Camera using the settings menus.
To access the settings menus, do the following:
Click the
button on the menu sidebar. The main settings
screen appears:
There are two sub menus in the menu sidebar: Basic Setting
and Advanced Setting.
15
Configuring the Camera
Configuring Basic Settings
Read this section to learn about all the settings and options
under the Basic Setting sub menu.
Configuring System Settings
The System submenu allows you to configure all systemrelated settings. There are three main screens, accessed via
the tabs at the top of the screen: Configuration, Firmware,
and Others.
Configuration Settings
Click the Configuration tab to access the system configuration
screen:
Here is displayed all system information, including firmware version and device name, and is where you can configure date and
time options.
Choose to either Sync with Time Server or Sync with PC
Time. Check the radio button for the setting you wish to use.
If you select Sync with Time Server, choose your time zone,
enter NTP server details, along with another server if necessary. You can also enable daylight saving time by checking the
Daylight Saving Time checkbox.
16
Configuring the Camera
If you select Sync with PC Time, the current time displayed by
your PC is shown.
Click the
button to confirm your settings.
Firmware Upgrade
Click the Firmware tab to access the firmware upgrade screen:
Here you can upgrade the system firmware version.
Warning
Do not upgrade the firmware version unless you are
certain that it will improve your system performance. Any
unnecessary firmware upgrade may result in malfunction.
Click the
button and locate the folder where the
firmware update is stored.
Click the
button to load the file.
17
Configuring the Camera
Others Settings
Click the Others tab to access the others screen:
Here you can restore factory defaults and reboot the system
remotely.
Under Restore Factory Defaults, click the
button to restore all factory defaults.
A confirmation dialog appears. Click OK to confirm.
Under Remote Reboot, click the
button to
reboot the system remotely. A confirmation dialog appears.
Click OK to confirm.
18
Configuring the Camer
Configuring Network Settings
The Network submenu allows you to configure all networkrelated settings. There are four main screens, accessed via the
tabs at the top of the screen: Ethernet, Wireless, PPPoE, and
DDNS.
Ethernet Settings
Click the Ethernet tab to access the ethernet settings screen:
Here you can configure all settings related to your ethernet,
wireless, and DNS & HTTP port setup.
Complete all the fields as required. You may not require all the
fields. For instance, you will not need to complete the static IP
address fields if you are installing the camera on a network that
allocates addresses using DHCP.
Click the
button to confirm your settings.
19
Configuring the Camera
Wireless Settings
Click the Wireless tab to access the wireless settings screen:
Here you can configure all settings related to camera access to
your wireless network.
If your network allows for wireless connection, complete all the
fields under Configuration to connect wirelessly. Ask your network administrator for all relevant information should you need
it.
Connection Type
Select the connection type; Infrastructure or Ad-Hoc.
Auth Type
Select authentication type; Open System, Shared
Key, or Auto.
ESSID
Enter the public name of your wireless network.
Region
Select your region; U.S., Europe or Japan.
Channel
Select from channels 1 - 11 or Auto.
Encryption Type
Select to enable WEP encryption or not. If enabled,
select the bit rate; 64 Bits or 128 Bits.
WEP Key
Select up to four keys to be configured when encryption is enabled. Select the key type; ASCII or HEX.
Then complete the key description fields and choose
one of the four keys as the default from the drop down
menu.
Click the
20
button to confirm your settings.
Configuring the Camera
PPPoE Settings
Click the PPPoE tab to access the PPPoE settings screen:
Here you can configure all PPPoE connection settings.
If you connect to your network via PPPoE, check the Enable
checkbox and choose from either an Ethernet or Wireless connection. Complete all fields under Configuration, including
your username, password, and MTU setting.
Click the
button to confirm your settings.
Once successfully configured, status details will be displayed
under Status.
21
Configuring the Camera
DDNS Settings
Click the DDNS tab to access the DDNS settings screen:
Here you can configure all DDNS connection settings.
DDNS allows PPPoE or DHCP dynamic IP users to access the
IP camera using a single domain name. The IP camera supports DDNS and meets the Bynamix Network Service, Inc. standard.
Go to www.dyndns.org to register a domain name and obtain
a username and password. Enter this domain name, username,
and password in the DDNS settings screen.
Click the
button to confirm your settings.
When the IP address of the camera changes, it will update its
new address to DDNS automatically and the camera can be
contacted using a domain name instead of an IP address.
22
Configuring the Camera
Configuring User Settings
The User submenu enables you to set up users and administrators for the system:
Under User Authorization, check Enable User Check if you
wish to run a login process every time you access the system.
Click the
button to confirm this setting.
Under Add/ Modify User, enter a new username and password
in the required fields to create new user names. Assign each
user to either the admin or user groups. Click the
button to confirm the new setting.
Under Delete User, select a username from either an admin or
user group you want to delete. Click the
button to
delete the user.
23
Configuring the Camera
Configuring Video Settings
The Video submenu enables you to configure all video settings:
Under Profile & Options, you can alter various options:
Camera Location: Enter the camera location. Click the
button to confirm this setting.
Display Options: Check the checkbox to show the date, time,
and camera location on the display screen.
Image Flip: Check to rotate the display image 180 degrees.
Frame Rate: Enter the required frame rate. Click the
button to confirm this setting.
Under Image Parameters, you can alter image output options.
Select the image compression rate, and resolution you require
from the dropdown boxes.
Make any adjustments for brightness, contrast, saturation,
or
butsharpness, hue and gamma of the image using the
tons. Click the
button to reset to the parameter to its default
value.
Under Audio Parameters, check the checkbox to turn audio on
or off.
24
Configuring the Camera
4-Port Monitor Setting
See “Viewing Multiple Cameras via the 4-Port Function” on
page 16 for more details on settings covered under this menu.
Configuring Advanced Settings
Read this section to learn about all the settings and options
under the Advanced Setting submenu.
Configuring FTP Settings
The FTP submenu enables you to configure all FTP (File Transfer Protocol) settings:
When FTP alerting is enabled, the camera sends a still image to
the ftp server every time the alert is triggered (see “Configuring
Breach Manager Settings” on page 31 for details on how to activate this option).
Enter your FTP address, along with username, password and
folder to which the images will be uploaded.
Check the Enable checkbox and click the
confirm all settings.
button to
25
Configuring the Camera
Configuring Mail Server Settings
The Mail submenu enables you to configure all mail server settings:
When mail alerting is enabled, the camera sends a still image to
a specified email address every time the alert is triggered (see
“Configuring Breach Manager Settings” on page 31 for details
on how to activate this option).
Enter your mail server address, along with username, password, mail sender address, mail receiver address, and mail
subject.
Check the Enable checkbox and click the
confirm all settings.
26
button to
Configuring the Camera
Configuring GPIO Settings
The GPIO submenu enables you to configure all DI sensor and
DO settings:
External DI sensors can be attached via the GPIO port at the
rear of the camera. The external sensor can be normally open
(NO), or normally closed (NC). A normally open sensor is like
an open switch that closes when triggered. A normally closed
sensor is like a closed switch that opens when triggered. This
must be set correctly for an external sensor to function properly.
You can connect up to two DI sensors to the camera.
An external DO alarm can also be attached to the camera via
the GPIO port at the rear of the camera.
Under DI Configuration, select a DI Index, whether you want it
to be NO or NC, and Enable/Disable from the dropdown
menus.
Click the
button to confirm all settings.
Under DO Configuration, select a DO index and ON/OFF from
the dropdown menu.
Click the
button to confirm all settings.
27
Configuring the Camera
Configuring Tcp Message Settings
The Tcp Message submenu enables you to configure all tcp
message settings:
Enter the Server IP address, port and message subject.
Check the Enable checkbox and click the
confirm all settings.
28
button to
Configuring the Camera
Configuring Breach Manager Settings
The Breach Manager submenu enables you to configure all
breach alert and motion detection settings:
You can configure the system to capture images when either
the motion sensors, DI1 or DI2 sensors are activated.
To set a breach alert, do the following:
Select a breach ID from the dropdown menu and enter the
duration of the alert. You can configure up to five separate
alerts at any one time.
Select the alert trigger device and camera location from the
dropdown menus.
Check the radio buttons to select whether to be alerted by ftp
upload, email, tcp message or external DO alarm.
If external DO alarm is selected, choose the alarm type from the
dropdown menu, select ON to activate the alarm, and enter the
alarm length time in the DO Last field.
Check the Enable checkbox and click the
confirm all settings.
button to
The Status window lists all configured alert details; the first column lists the alarm trigger type, the second lists the action type,
and the third displays whether the alert is enabled or disabled.
29
Specifications
Appendix
Specifications
MODEL
L10 (Ethernet/
LAN)
W10 (Ethernet/
LAN)
CMOS Sensor
Number of effective
pixels
307,200 pixels (VGA)
307,200 pixels (VGA)
Type
C3 Mount Lens
C3 Mount Lens
Focal length
f = 6.0mm
f = 6.0mm
F-number
F1.8
F1.8
CPU / Encode Chip
MIPS / JPEG encode
chip (VGA)
MIPS / JPEG encode
chip (VGA)
Video Compression
M-JPEG
M-JPEG
Audio Compression
PCM 64kbit
PCM 64kbit
Image size (HxV)
(Resolution)
640x480 (VGA),
320x240 (QVGA),
160x120 (QQVGA)
640x480 (VGA),
320x240 (QVGA),
160x120 (QQVGA)
Image quality
5 Level (Highest, High,
Medium, Low, Lowest)
5 Level (Highest, High,
Medium, Low, Lowest)
Frame rate
Up to [email protected], Up
to [email protected]
Up to [email protected], Up
to [email protected]
Lens
System / Network
30
Specifications
Protocol
TCP/IP, ARP, ICMP,
HTTP, SMTP,
FTP, DHCP,
DNS,
NTP,
PPPoE,
DDI TCP/IP,
DDNS
TCP/IP, ARP, ICMP,
HTTP, SMTP,
FTP, DHCP,
DNS,
NTP,
PPPoE,
DDI TCP/IP,
DDNS
Ethernet
100Base-TX /
10Base-T (RJ-45x1)
100Base-TX / 10Base
(RJ-45x1)
Wireless (Wi-Fi)
N/A
IEEE 802.11 b/g
GPIO
Sensor in x 2 / Alarm
out x 1
Sensor in x 2 / Alarm
out x 1
Status LED
Power, LAN, WAN
Power, LAN, WAN
Night vision
IR LEDs x 8 (auto/
manual)
IR LEDs x 8 (auto/manual)
Button
Reboot/Restore factory default
Reboot/Restore factory default
Power supply
DC Jack (5V)
DC Jack (5V)
User management
Two layers
(Administrator/Guest)
Two layers
(Administrator/Guest)
Network settings
IP & Domain name
(Fixed, DHCP,
PPPoE, DDNS) HTTP
Port Number
IP & Domain name
(Fixed, DHCP, PPPoE,
DDNS) HTTP Port
Number
Wireless (SSID MODE
(Ad-HOC, Infrastructure), Wep 64/128 bit))
Interface
Software functions
31
Specifications
Image settings
Resolution, frame rate
Parameters (Brightness, Contrast, Saturation, Sharpness,
Hue)
Resolution, frame rate
Parameters (Brightness, Contrast, Saturation, Sharpness, Hue)
Camera settings
Camera name, date /
time (NTP, manual),
frequency (60 / 50Hz)
Camera name, date /
time (NTP, manual),
frequency (60 / 50Hz)
Email / FTP
Email, FTP settings /
action (trigger manually)
Email, FTP settings /
action (trigger manually)
GPIO
Sensor in (enable/disable), Alarm out
(enable/disable, auto/
manual)
Sensor in (enable/disable), Alarm out
(enable/disable, auto/
manual)
Motion detection
Enable/disable
Enable/disable
Snapshot
Manual
Manual
Record
Manual (AVI
*Microsoft DirectX 8.1,
VGA Card 32bit true
color)
Manual (AVI *Microsoft
DirectX 8.1, VGA Card
32bit true color)
Number of clients
20
20
Power requirements
DC 5V
DC 5V
Operating temperature
0°C - 30°C
0°C - 30°C
Operating humidity
20% - 80%
20% - 80%
Supplied accessories
CD-ROM, Quick Installation Guide, Network
Cable, Bracket, AC Adapter
Other
32
Maintenance
Maintenance
This product has no user servicable parts inside and removal of
the case should be not be attempted except by qualified service
personnel.
Only use a clean cloth, slightly dampened with water to clean
this camera. Do not use spirit cleaners or solvents as this may
damage the plastic case and lens parts. Use a soft, dry cloth to
clean the lens when required.
Do not install this camera in an environment where it is likely to
be exposed to dust, high humidity, high temperatures, or rain.
Do not install this equipment in an enclosed space with no ventilation. The camera is likely to become warm during normal use
and ventilation is required to maintain a sufficiently low operating temperature. If the camera is mounted in an enclosed
space, it may overheat and may be permanently damaged.
If the camera begins to function badly or stops working, and
routine maintenance procedures described above do not solve
the problem, contact your dealer and arrange for a service engineer to inspect the camera.
Troubleshooting
Problem
Solution
My camera doesn’t
work - what should I
do?
You should turn off your PC and disconnect the
network cable. Try rebooting in safe mode and
reconnect the network cable.
The image is upside
down.
Turn the image the right way round using the
rotate function.
My camera won’t
connect to my network.
Check the IP adress allocated to your camera is
correct - if in doubt, consult your network administrator.
33
Glossary
Glossary
34
Alert
An alert can be in the form of an e-mail, a ftp upload or
DO of an image that occurs when a sensor is triggered,
or motion is detected.
AVI
Audio Video Interleaved. A Windows multimedia video
format from Microsoft.
CIF
Common Interface Format. A standard video resolution
format used in video conferencing. CIF resolution is
352x288 and but rate is 36.5 Mbps (at 30 fps).
DHCP
Dynamic Host Configuration Protocol. A system by
which each piece of equipment is allocated an IP
address automatically.
DI sensor
The DI sensor input allows you to connect an external
sensor or switch to the camera that may be used to trigger an alert. The DI sensor input can be set to normally
open (NO - switch closing causes an alert) or normally
closed (NC - switch opening causes an alert).
Ethernet
The most widely used local area network (LAN) access
method, defined by the IEEE as the 802.3 standard.
FTP
File Transfer Protocol. A standard protocol designed for
transferring files over a TCP/ IP network.
IP
Internet Protocol. The network layer protocol in the TCP/
IP communications protocol suite (the ‘IP’ in TCP/ IP). IP
contains a network address and allows messages to be
routed to a different network or subnet.
LED
Light Emitting Diode. A semiconductor device that emits
light when voltage is applied.
Motion
detection
Camera function that cases an alert to be triggered
when movement is detected in the field of view.
PPPoE
Point to Point Protocol over Ethernet: A standard that
incorporates PPP protocol, widely used for dial-up Internet connections, into a cable modem connection that
uses Ethernet as its transport to the carrier’s facilities.
Protocol
Standards governing the transmission and reception of
data.
QCIF
Quarter CIF, 176x144 resolution, 9.1 Mbps (at 30 fps).
Glossary
Resolution
Screen resolution is expressed as a matrix of dots. For
example, the VGA resolution of 640x480 means 640
dots (pixels) across each of the 480 lines.
RJ-45
Registered Jack 45. RJ-45 type connections are used in
Ethernet devices.
SNTP
Simple Network Time Protocol. A protocol that allows
devices to update internal clocks using a standard
source available on a network.
Static IP
address
A static IP address that is assigned manually and never
changes.
TCP/ IP
Transmission Control Protocol/ Internet Protocol. A
communications protocol developed under contract from
the US.
VGA
Video Graphic Array. The video display standard for the
PC.
35
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