Users Manual
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EMW Co., Ltd.
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User Manual
2012, EMW Co., Ltd. EMW are trademarks of EMW Corporation.All other trademarks are trademarks of their respective holders.
EVB
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A100
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EMW Co., Ltd.
Head Office : 680-3 Gojan-Dong, Namdong-Gu, Incheon, Korea
R&D Center: 459-24 Kasan-Dong, Kumchon-Gu, Seoul, Korea
Tel : +82-2-2107-5500 Fax : +82-2- 2107-5645
E-Mail: rfsales@emw.co.kr Homepage : www.emw.co.kr
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Table of Contents
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8
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1. Overview
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2. Safety Precautions
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FCC compliance information
EU Declaration of Conformity (CE)
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3. Product
BODY
BODYBODY
BODY
Bracket
BracketBracket
Bracket
Omni
Omni Omni
Omni antenna
antenna antenna
antenna
(
((
(
4ea)
4ea)4ea)
4ea)
Adhesive tape
Adhesive tapeAdhesive tape
Adhesive tape
Screw
ScrewScrew
Screw
(4)
(4)(4)
(4)
User Manual
User ManualUser Manual
User Manual
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4. Connection through Web browser
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Status Device
√
√
Status Wireless.
√
√
Association table
√
√
Status Networking
√
√
Status WDS
√
Status MBSS
√
Status Wireless.
√
√
Config Networking
√
√
Tools Admin
√
√
System Reboot
√
√
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5. Device Menu
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Device’s Networking Status
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Rx Device WDS Status
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6. Change Settings
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7. How to set up and check WDS ( Rx Mode)
Tx
Tx
Tx
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8. Fault diagnosis and measures
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9. Terminology
R
x
(
Master
)
Rx is a receiver which connects wired and wireless connectivity.
Tx (Client)
A transmitter is connected to a receiver.
SCS
Smart Channel Selection
VSP
Video Stream Protection
RSSI
Received Signal Strength Indication
Wi
-
Fi
A mark for WECA to check linking between wireless products. The name is originated
from "Wireless Fidelity". WECA carries out an elaborate test and grants a Wi-Fi logo to a
product that satisfies the linking standards.
Wireless Bridge
Tx (Client) or Rx ( Master) that uses a wireless network to connect between two different
wired networks.
Association
Has a table that controls the packet route between Rx and Tx
Maintains Rx and Tx.
SSID
Service Set Identifier
SSID is a unique identifier of 32 bytes length added to the header of a packet
transmitted through a WLAN. It is used like a password when Tx connects to BSS (basic
service set). Rx or Tx must the same SSID. A Tx that does not know the unique of a
certain BSS cannot access the BSS.
WEP
WEP (Wired Equivalent Privacy): An encryption standards prepared by IEEE 802.11 for
WLAN security. There are various types of application developed to use encryption keys
to strength security.
B
andwidth
Refers to the difference between the highest and lowest frequencies of a signal usable in
a network. It means, commonly, the highest transmission speed or a capacity to transmit
information and uses ‘bps’ its unit.
DHCP
DHCP allows the network administrator to manage and allocate IP addresses and to send
new IP addresses when the computer connects to a different location of the network.
Static IP
Can use fixed IP addresses. There is no need for the administrator to allocate IP
addresses.
802.11ac
802.11ac operates at 5G Hz’s V10.1 frequency bandwidth.
PHY
WDS
Wireless Distribution System
WDS forms a wireless network between Rx’s to provide the larger support range of
wireless network than when one Rx is used.
BSS
Base Service Set
Refer to a minimal size of WLAN formed based on a Rx if a wire network consists of
multiple wireless Rx’s in the infrastructure mode.
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MBSS
Multiple BSS
AES
Advanced Encryption Standard
CCMP
Counter Mode Encryption With CBC-MAC Protocol
EAP
Extensible Authentication Protocol
ESS
Extended Service Set
Refers to a WLAN that consists of multiple Rxs.
FAST
Flexible Authentication via Secure Tunneling
IV
Initialization Vector
PEAP
Protected EAP
PSK
Pre-Shared Key
TKI
Temporal Key Integrity Protocol
TLS
Transport Layer Protocol
WPA
WiFi Protected Access
WIFI security Protagoras WEP -> WPA - WPA2
Wi-Fi Protected Access (WPA, WPA2 ) is an authentication program carried out under
the monitoring of Wi-Fi Alliance. It is a security protocol that indicates that the network
equipment satisfies the security protocol established by Wi-Fi Alliance. WPA indicates
that the existing LAN card operation complies with the expansion protocol standards
completely and WPA2 mark indicates that the relevant device does the same.
WPS
WiFi Protected Setup
Press the WPS buttons of the wireless Rx and wireless device (during the 120 seconds of
waiting time) to establish connection without entering password: there are PBC, PIN,
and NFC type.
PMF
Protected Management Frames
Protects the frame.
RADIUS
Remote Authentication Dial-in User Service
NSS
Number of Spatial Streams
DTIM
Delivery traffic indication message
Short GI
Short Guard Interval
The guard interval is a waiting time between sending data continuously in a wireless
network to reduce the impact of data. For 802.11 a/g, it is 800 nsec, but for 802.11n, it is
set to 400n sec so that the sub carrier can be used to compensate for the reduced guard
interval to make the total throughout to reach 72Mbps. Reducing the guard is provided
as a optional when a WLAN is established as interval needs agreement between the
transmission and reception ends.
OFDM
Orthogonal Frequency Division Multiplexing
MIMO
Multi Input Multi Output
MIMO is a multi I/O technology. The wireless quality depends on how far the signal is
and which route the signal is received. MIMO uses multiple antennas to receive signals
coming in along multiple paths (multipath) and operate data and recover them to
original signals. 802.11g/b/g uses a single antenna or SISO (Single Input Output).
Passphrase
It is used instead of password to mean that the password should long enough.
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10. Specification Table
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11. Customer services
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