NDC comm Network Router NWH9250 User Manual

802.11g Wireless Outdoor Bridge  
802.11g Wireless Outdoor Bridge  
NWH9250  
Product Overview  
The NWH9250 is a 2.4GHz 802.11g Wireless Outdoor Bridge  
that compliant 802.11b/g standards. The NWH9250 covers a  
large operating distance for Wireless LANs and broadband  
Internet Access with transfer data rate up to 54Mbps. It links  
two or more separate networks (typically located in different  
buildings) to create a single expanded LAN quickly, simply, and  
economically. The NWH9250 delivers higher transmission rates  
than an E1 or T1 line, and eliminates the inconvenience of  
installing an expensive leased line or fiber-optic cable. The  
NWH9250 fully complies with the IEEE802.11b/g standard.  
Combining superior wireless technology and advanced  
features, the NWH9250 Wireless Outdoor Bridge is a reliable,  
high-performance, cost-effective solution for the most  
demanding wireless networking environments.  
Key Features and Benefits  
Superior Coverage and High Speed  
Transmission  
Remotte Conffigurraation  
Data rates up to 54Mbps, 5 times of 802.11b product  
Features rugged construction and a weatherproof housing  
proven in outdoor installations exposed to wind, rain, and  
snow  
Allows administrators to manage the bridge from anywhere on  
the network. All that is required is that the bridge be on the  
same logical IP subnet as the management station.  
Offers multiple mounting options for flexible placement to  
achieve the best possible alignment or coverage  
Security Prrotecction  
WEP (Wired Equivalent Privacy): 64, 128 and 256-bit WEP  
encryption for secure wireless LAN data transmissions.  
Easy to Use Network Management Tools  
Kick Start: If the DHCP server fails or the device is on a  
different subnet, the Advanced Discovery Protocol allows the  
NWH9250 to be found and configured.  
Detachhable AAntenna (Optional)  
The detachable antenna design allows such options as  
connecting a high-gain antenna for better signal quality over a  
wider coverage area.  
Bridge Auto Learning: The NWH9250 can intelligently detect  
its peer bridges' MAC addresses via the advanced wireless  
technology, saving the user the hassle of entering MAC  
addresses.  
Outdoorr Proteectionn Soluution for Haarsh Weeaather  
The Outdoor Protection Package bridge to be located  
outdoors, where it may be subjected to wind, rain, and snow.  
Auto IP address assignment - the NWH9250 will automatically  
assign itself a new IP address should the DHCP server fail.  
On-line firmware upgradability: allows the bridge's firmware to  
be upgraded via Web-based tool from a remote station without  
stopping the network.  
Power Over Ethernet  
PoE reduces power-cable expenses and increases location  
options by carrying both data and power to the bridge through  
a single Ethernet cable.  
DHCP client support: automatically obtains a new IP address  
from a DHCP server.  
 
Maximizing the Convenience of Networking  
s
802.11g Wireless Outdoor Bridge  
802.11g Wireless Outdoor Bridge  
NWH9250  
802.11g Wireless Outdoor Bridge Application Scenarios  
Point-to-point Mode  
Point-to-multipoint Mode  
Bridges in point-to-point mode  
connect two networks in  
Bridges in point-to-multipoint  
mode connect three or more  
networks in scattered buildings  
through wireless links. This  
allows numerous sites in a  
wide area to share resources,  
including a single high-speed  
connection to the Internet  
different locations through a  
single wireless link. This allows  
two widely separated sites to  
share resources, including a  
single high-speed connection  
to the Internet.  
Specifications  
Standards Compliance  
RF Spreading Method  
Transmission Rate  
IEEE802.11g, 11b  
Direct Sequence Spread Spectrum (DSSS)  
54/48/36/24/18/12/11/9/6/5.5/2/1Mbps with auto fallback  
22Mbps (Optional)  
RF Output Power  
802.11b: 17dBm (Typical)  
802.11g: 14dBm (Typical)  
Receive Sensitivity  
54 Mbps OFDM, 10% PER, -70 dBm  
48 Mbps OFDM, 10% PER, -72 dBm  
36 Mbps OFDM, 10% PER, -77 dBm  
24 Mbps OFDM, 10% PER, -81 dBm  
22 Mbps PBCC, 10% PER, -82 dBm  
18 Mbps OFDM, 10% PER, -84 dBm  
12 Mbps OFDM, 10% PER, -86 dBm  
11 Mbps CCK,  
8% PER, -84 dBm  
9 Mbps OFDM, 10% PER, -89 dBm  
6 Mbps OFDM, 10% PER, -90 dBm  
5.5 Mbps CCK, 8% PER, -87 dBm  
2 Mbps QPSK, 8% PER, -88 dBm  
1 Mbps BPSK, 8% PER, -91 dBm  
Security  
64/128/256-bit WEP; Wi-Fi Protected Access (WPA Q2 Support)  
Software Support  
Kick Start (Advance discovery protocol for easy to use); Web-based Tool;  
Bridge Auto Learning (Without the hassle of MAC number records); SNMP Support (Q2 Ready)  
Environmental Requirements  
Operating Temperature: -20o to 70oC  
Storage Temperature: -30o to 80oC  
Humidity: 5% to 95%, non-condensing  
Dimensions  
Weight  
165 X135 X 55 mm (6.52 X 5.34 X 2.17 in.)  
1.13 kg.  
Power  
Input voltage 12V DC; external power supply included (input voltage 100V to 240V AC)  
One year, limited  
Warranty  
* Product appearance and specifications are subject to change without prior notice.  
National Datacomm Corporation  
4F, No.24-2, Industry East 4th Road, Science Park  
NDC World Wide Web  
c 2004 National Datacomm Corporation, Inc. All rights reserved.  
Hsin-Chu, Taiwan, R.O.C.  
Tel: +886-3-5783966  
Fax: +886-3-5777989  
P/N D-NWH9250 E01-0404  
 

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