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Page 96 / 127 Scroll up to view Page 91 - 95
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8
A
PPENDIX
A Frequently Asked Questions
Camera Features
Q:
What is an Camera?
A:
The Camera is a standalone system connecting directly to an
Ethernet or Fast Ethernet network and supported by the wireless
transmission based on the IEEE 802.11b/g standard.
It is
different from the conventional PC Camera, the Camera is an all-
in-one system with built-in CPU and web-based solutions
providing a low cost solution that can transmit high quality video
images for monitoring.
The Camera can be managed remotely,
accessed and controlled from any PC/Notebook over the Intranet
or Internet via a web browser.
Q:
What is the maximum number of users that can be allowed to
access the Camera simultaneously?
A:
Maximum number of users that can log onto the Camera at the
same time is 64.
Please keep in mind the overall performance of
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96
the transmission speed will slow down when many users are
logged on.
Q:
What algorithm is used to compress the digital image?
A:
The Camera utilizes the JPEG image compression technology
providing high quality images for users.
JPEG is adopted since it
is a standard for image compression and can be applied to various
web browser and application software without the need to install
extra software.
Q:
Can I change the wireless antenna attached to the Wireless
Camera?
A:
The wireless antenna can be changed for a variety of reasons
such as extending the wireless transmission range, however,
please consult authorized distributors before attempting as the
connectors must be SMA connector type.
Q:
What is the wireless transmission range for the Wireless
Camera?
A:
Generally the wireless distance can go up to 100 meters
indoors and up to 300 meters outdoors.
The range is limited
by the number of walls, ceilings, or other objects that the
wireless signals must pass through.
Typical ranges vary
depends on the types of materials and background Radio
Frequency (RF) noise in your home or business and the
configuration setting of your network environment.
Camera Installation
Q:
Can the Camera be used out-doors?
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97
A:
The Camera is not weatherproof.
It needs to be equipped with
a weatherproof case to be used outdoors and it is not
recommended.
Q:
What network cabling is required for the Camera?
A:
The Camera uses Category 5 UTP cable allowing 10 Base-T
and 100 Base-T networking.
Q:
Can the Camera be setup as a PC-Cam on the computer?
A:
No, the Camera is an Camera used only on Ethernet and Fast
Ethernet network and wireless transmission (Wireless only for
TV-IP100W).
Q:
Can the Camera be connected on the network if it consists of
only private IP addresses?
A:
The Camera can be connected to LAN with private IP
addresses.
Q:
Can the Camera be installed and work if a firewall exists on
the network?
A:
If a firewall exists on the network, port 80 is open for ordinary
data communication.
However, since the Wireless Camera
transmits image data, the default port 8481 is also required.
Therefore, it is necessary to open port 8481 of the network for
remote users to access the Camera.
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98
B PING Your IP Address
The PING (Packet Internet Groper) command can determine
whether a specific IP address is accessible by sending a packet to
the specific address and waiting for a reply.
It can also provide a
very useful tool to confirm if the IP address conflicts with the
Wireless Camera over the network.
Follow the step-by-step procedure below to utilize the PING
command.
However, you must disconnect the Wireless Camera
from the network first.
Start a DOS window.
Type ping x.x.x.x, where x.x.x.x is the IP address of the Wireless
Camera.
The succeeding replies as illustrated below will provide useful
explanation to the cause of the problem with the Wireless Camera
IP address.
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99
C Trouble Shooting
Q:
I cannot access the Camera from a web browser.
A1:
The possible cause might be the IP Address for the
Camera is already being used by another device.
To correct
the possible problem, you need to first disconnect the Camera
from the network.
Then run the PING utility (follow the
instructions in Appendix B - PING Your IP Address).
A2:
Another possible reason is the IP Address is located on a
different subnet.
To fix the problem, run the PING utility
(follow the instructions in Appendix B - PING Your IP
Address).
If the utility returns “no response” or similar, the
finding is probably correct, then you should proceed as
follows:
In Windows 95/98/2000 and Windows NT, double check the
IP Address of the Wireless Camera is within the same subnet
as your workstation.
Click “Start”, “Setting”, “Control Panel”, and the “Network”
icon. Select TCP/IP from the “Network” dialog box and from
the “TCP/IP Properties” dialog box click “Specify an IP
address”.
If the Camera is situated on a different subnet than your
workstation, you will not be able to set the IP address from
this workstation.
To verify make sure the first 3 sections of
the IP address of the Camera corresponds to the first 3
sections of the workstation.
Therefore the IP address of the
Wireless Camera must be set from a workstation on the same
subnet.

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