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DCS-G900 User’s Manual
D-Link Systems, Inc.
Appendix
Wireless Installation Considerations
The D-Link
®
DCS-G900 can be integrated into a wireless network from virtually anywhere
within its operating range. However, the range can be limited by the number of walls, thickness
of walls, and location of the walls that the wireless signal must pass through. Typical ranges
vary depending on the types of materials and background RF (radio frequency) noise
in your home or business. The key to maximizing wireless range is to follow these basic
guidelines:
Keep the number of walls and ceilings between the DCS-G900 and other network
devices to a minimum. Each wall or ceiling can reduce your DCS-G900’s range from
3-90 feet (1-30 meters).
Be aware of the direct line between network devices. A wall that is 1.5 feet thick (.5
meters), at a 45-degree angle appears to be almost 3 feet (1 meter) thick. At a 2-degree
angle it looks over 42 feet (14 meters) thick! Position devices so that the signal will
travel straight through a wall or ceiling (instead of at an angle) for better reception.
Building materials can impede the wireless signal. A solid metal door or aluminum
studs may have a negative effect on the range. Try to position wireless devices and
computers with wireless adapters so that the signal passes through drywall or open
doorways and not other materials.
Keep your product away (at least 3-6 feet or 1-2 meters) from electrical devices or
appliances that generate RF noise.
You can also add a directional antenna to help with range and sensitivity issues.
Appendix
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72
DCS-G900 User’s Manual
D-Link Systems, Inc.
Glossary
Networking
802.11b
: A wireless networking standard that supports data encryption and up to 11Mbps
bandwidth.
802.11g
: A wireless networking standard that supports data encryption and up to 54Mbps
bandwidth.
Ad-Hoc
: This wireless networking mode means that two PC’s are communicating in a
Peer-to-Peer network, without a router or an access point.
Bandwidth
: A measure of the rate at which data can be sent and received through the network.
This value is usually given in bits per second (bps) or Megabits per second (Mbps).
DHCP (Dynamic Host Configuration Protocol)
: A protocol that network devices use to obtain an
IP address, subnet mask, gateway, and DNS addresses automatically. A DHCP server can
be a router, ISP server, or PC running Internet Connection Sharing software. If you are using
a DHCP-capable device in your network, you will not need to assign a static IP address to
your DCS-G900. However, if you do not have a DHCP-capable device in your network, you
will need to assign a static IP address to your DCS-G900.
DNS (Domain Name System)
: A system used to translate computer names into IP addresses.
For example, a DNS server would translate www.dlink.com into 64.7.210.132
Ethernet
: The most commonly used wired network technology. Standard Ethernet supports
up to 10Mbps. Fast Ethernet supports up to 100Mbps.
Gateway
: This is the IP address of the device that connects you to another network such as a
router. A router would be the gateway between your local area network and the Internet.
Infrastructure
: This wireless networking mode is used
by wireless networks with a router or
an access point.
IP Address (Internet Protocol Address)
:
An IP address consists of four groups of digits separated
by periods. Each group of digits contain an 8-bit value as a number ranging from 0 to 255.
Each computer must have it’s own unique IP address. The IP addresses on your network
must be within the same range. For example, if one PC or device has an IP address of
192.168.0.2, the other devices should have IP addresses that are sequential, like 192.168.0.3
and 192.168.0.4.
ISP (Internet Service Provider)
: A commercial organization that provides subscribers with
access to the Internet.
Key
: Encryption keys allow you to easily change wireless encryption settings to maintain a
secure network. The DCS-G900 supports 64-bit and 128-bit keys.
Netmask
: Commonly referred to as subnet mask, this is used to determine what subnet an
IP address belongs to.
RJ-45
: RJ-45 is the standard connector for Ethernet cabling. It looks like a phone cable
connector, but is slightly larger. RJ-45 connectors have 8 pins, 4 of which are used for
transmitting and receiving data.
Glossary
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73
DCS-G900 User’s Manual
D-Link Systems, Inc.
Glossary
SSID (Service Set Identifier)
: The name designated for a specific wireless local area network
(WLAN). The SSID can be easily changed to connect to an existing wireless network.
Static IP
: A static IP address is configured manually on the device that will be using it. A static
IP address remains the same constantly and must be a unique address.
WEP (Wired Equivalent Privacy)
: A security protocol for wireless local area networks (WLAN)
that is designed to provide the same level of security as a wired network. WEP provides
security by encrypting the data sent over the WLAN. The DCS-G900 supports 64-bit and
128-bit encryption.
Wired
: Devices networked via Ethernet cabling.
Wireless
: Devices networked using radio frequencies instead of physical cabling.
WPA-PSK (Wi-Fi Protected Access with Pre-Shared Key)
: A security protocol for wireless local
area networks that requires that the router and DCS-G900 have the same pre-shared key in
order to establish a wireless connection.
Page 74 / 78
74
DCS-G900 User’s Manual
D-Link Systems, Inc.
Technical Support
Technical Support
You can find software updates and user documentation on the D-Link website.
D-Link provides free technical support for customers within the United States and
within Canada for the duration of the warranty period on this product.
U.S. and Canadian customers can contact D-Link Technical Support through our
website, or by phone.
Tech Support for customers within the United States:
D-Link Technical Support over the Telephone:
(877) 453-5465
24 hours a day, seven days a week.
D-Link Technical Support over the Internet:
Tech Support for customers within Canada:
D-Link Technical Support over the Telephone:
(800) 361-5265
Monday to Friday 7:30am to 9:00pm EST
D-Link Technical Support over the Internet:
Technical Support
Page 75 / 78
75
DCS-G900 User’s Manual
D-Link Systems, Inc.
Warranty
Subject to the terms and conditions set forth herein, D-Link Systems, Inc. (“D-Link”) provides this Limited Warranty:
·
Only to the person or entity that originally purchased the product from D-Link or its authorized reseller or distributor, and
·
Only for products purchased and delivered within the fifty states of the United States, the District of Columbia, U.S. Possessions
or Protectorates, U.S. Military Installations, or addresses with an APO or FPO.
Limited Warranty:
D-Link warrants that the hardware portion of the D-Link product described below (“Hardware”) will be free
from material defects in workmanship and materials under normal use from the date of original retail purchase of the product,
for the period set forth below (“Warranty Period”), except as otherwise stated herein.
·
Hardware (excluding power supplies and fans): One (1) year
·
Power supplies and fans: One (1) year
·
Spare parts and spare kits: Ninety (90) days
The customer’s sole and exclusive remedy and the entire liability of D-Link and its suppliers under this Limited Warranty will be,
at D-Link’s option, to repair or replace the defective Hardware during the Warranty Period at no charge to the original owner or
to refund the actual purchase price paid.
Any repair or replacement will be rendered by D-Link at an Authorized D-Link Service
Office.
The replacement hardware need not be new or have an identical make, model or part.
D-Link may, at its option, replace
the defective Hardware or any part thereof with any reconditioned product that D-Link reasonably determines is substantially
equivalent (or superior) in all material respects to the defective Hardware.
Repaired or replacement hardware will be warranted
for the remainder of the original Warranty Period or ninety (90) days, whichever is longer, and is subject to the same limitations
and exclusions.
If a material defect is incapable of correction, or if D-Link determines that it is not practical to repair or replace
the defective Hardware, the actual price paid by the original purchaser for the defective Hardware will be refunded by D-Link upon
return to D-Link of the defective Hardware.
All Hardware or part thereof that is replaced by D-Link, or for which the purchase
price is refunded, shall become the property of D-Link upon replacement or refund.
Limited Software Warranty:
D-Link warrants that the software portion of the product (“Software”) will substantially conform to
D-Link’s then current functional specifications for the Software, as set forth in the applicable documentation, from the date of
original retail purchase of the Software for a period of ninety (90) days (“Software Warranty Period”), provided that the Software
is properly installed on approved hardware and operated as contemplated in its documentation. D-Link further warrants that,
during the Software Warranty Period, the magnetic media on which D-Link delivers the Software will be free of physical defects.
The customer’s sole and exclusive remedy and the entire liability of D-Link and its suppliers under this Limited Warranty will
be, at D-Link’s option, to replace the non-conforming Software (or defective media) with software that substantially conforms to
D-Link’s functional specifications for the Software or to refund the portion of the actual purchase price paid that is attributable
to the Software.
Except as otherwise agreed by D-Link in writing, the replacement Software is provided only to the original
licensee, and is subject to the terms and conditions of the license granted by D-Link for the Software.
Replacement Software
will be warranted for the remainder of the original Warranty Period and is subject to the same limitations and exclusions.
If
a material non-conformance is incapable of correction, or if D-Link determines in its sole discretion that it is not practical to
replace the non-conforming Software, the price paid by the original licensee for the non-conforming Software will be refunded
by D-Link; provided that the non-conforming Software (and all copies thereof) is first returned to D-Link.
The license granted
respecting any Software for which a refund is given automatically terminates.
Non-Applicability of Warranty:
The Limited Warranty provided hereunder for Hardware and Software portions of D-Link’s products
will not be applied to and does not cover any refurbished product and any product purchased through the inventory clearance
or liquidation sale or other sales in which D-Link, the sellers, or the liquidators expressly disclaim their warranty obligation
pertaining to the product and in that case, the product is being sold “As-Is” without any warranty whatsoever including, without
limitation, the Limited Warranty as described herein, notwithstanding anything stated herein to the contrary.
Submitting A Claim:
The customer shall return the product to the original purchase point based on its return policy.
In case
the return policy period has expired and the product is within warranty, the customer shall submit a claim to D-Link as outlined
below:
Warranty

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