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Outdoor Bridge - NWH9210
NWH9210 The NWH9210 11 Mbps Outdoor Bridge links two or more separate networks (typically located in different buildings) to create a single expanded LAN quickly, simply, and economically. It 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 NWH9210 fully complies with the IEEE 802.11b standard. Combining superior wireless technology and advanced features, the NWH9210 Outdoor Bridge is a reliable, high-performance, cost-effective solution for the most demanding wireless networking environments.
Key Features and Benefits
IEEE 802.11b Compliant
Complies with the IEEE 802.11b wireless standard, ensuring full interoperability with other 802.11b-compliant products.
Superior Coverage and High Signal Quality
Our advanced radio-frequency technology provides outstanding performance at data rates up to 11 Mbps and distances up to 30 km (18 miles). (Maximum distance depends on choice of antenna.)
  • Superior receiver sensitivity enhances pickup of weak data signals over greater distances.
  • Rugged design proven in outdoor installations in locations affected by wind, rain, and snow.
  • Remote Configuration
    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.
    Comprehensive Network Management Tools
  • Full-featured Windows-based SNMP software included - the Management System (WMS)
  • Robust discovery mechanism:

  • Auto IP address assignment - the NWH9210 will automatically assign itself a new IP address should the DHCP server fail.
    Bridge discovery - allows quick location of all NDC bridges for centralized management.
  • Protocol filtering: saves bandwidth and increases security by preventing the bridge from transmitting specified protocols from the wired Ethernet LAN into the wireless zone.
  • On-line firmware upgradability: allows the bridge's firmware to be upgraded via WMS from a remote station without stopping the network.
  • Trap server: with auto-notification, network administrators can easily monitor operating conditions and take preventive action to ensure maximum network uptime.
  • DHCP client support: automatically obtains a new IP address from a DHCP server.
  • Bulk configuration: automatically propagates configuration settings to multiple bridges on the same subnet.
  • Multi-level Security
  • WEP (Wired Equivalent Privacy): 64- and 128-bit WEP encryption for secure wireless LAN data transmissions.
  • SNMP access control: SNMP authentication prevents unauthorized tampering with bridge settings.
  • Antenna Alignment Monitoring
    When using directional antennas for bridge-to-bridge links, manual alignment of the antennas for proper operation is a must. The NWH9210 performs intelligent antenna alignment monitoring for quick, convenient, and accurate alignment.
    Detachable Antenna(Optional)
    The detachable antenna design allows such options as connecting a high-gain antenna for better signal quality over a wider coverage area at distances up to 30 km (18 miles) or in a radio-frequency-hostile environment.
    Outdoor Protection Solution for Harsh Weather
    The Outdoor Protection Package allows the bridge to be located outdoors, where it may be subjected to wind, rain, and snow.
    Power Over Ethernet
    PoE reduces power-cable installation expenses and increases location options by carrying both data and power to the bridge through a single Ethernet cable.
    11 Mbps Wireless Outdoor Bridge Application Scenarios
    Point-to-point Mode
    Point-to-point Mode:
    Bridges in point-to-point mode connect two networks in 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.
    Point-to-multipoint Mode
    Point-to-multipoint Mode:
    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.
    Product Specifications
    Standards Compliance IEEE 802.11b
    RF Spreading Method Direct Sequence Spread Spectrum (DSSS)
    Frequency Band 2.4 GHz
    Transmission Power 200 mW (max.)
    Transmission Rates 11, 5.5, 2, and 1 Mbps, with auto fallback
    Transmitter Characteristics RF output power: 23 dBm (max.)
    Frequency stability: within ±25 ppm
    Receiver Characteristics Sensitivity: -83 dBm
    Security 64- and 128-bit WEP encryption; SNMP authentication for authorized access
    Software Support SNMP-based network management tools for Microsoft Windows included; features include

    MIB I and MIB II support, bridge discovery, protocol filtering, trap management, firmware upgrades.
    Environmental Requirements Operating Temperature: -20° to 70° C

    Storage Temperature: -30° to 80°C

    Humidity: 5% to 95%, non-condensing
    Dimensions 165 × 135 × 55 mm (6.52 × 5.34 × 2.17 in.)
    Weight 1.13 kg.
    Power Input voltage 12V DC; external power supply included (input voltage 100V to 240V AC)
    Regulartory Approval Japan:Telec;FCC
    Software Support Windows-based Wireless Management System.
    Windows 98, Me, NT 4.0 (SP4 or above), 2000, XP
    Transmission Range Up to 30 km (18 miles) at 11 Mbps*
    Warranty One year, limited
  • With optional NDC Outdoor Antenna.
  • Product appearance and specifications are subject to change without notice.
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    Copyright ©2004 National Datacomm Corporation. All rights reserved.
    4F, No. 24-2, Industry East 4th Road Science Park, Hsin-Chu Taiwan, R.O.C.
    Tel: +886-3-5783966 Fax: +886-3-5777989