3Com 3CRWE875075A, 3CRWE850075A, 3CRWE825075A manual Power Requirements, Safety Information

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dedicated workstation for managing and configuring the access point and the wireless network.

POWER REQUIREMENTS

The access point complies with the IEEE 802.3af power-over-Ethernet standard. It receives power over standard category 5 straight (8-wire) Ethernet cable. Installation requires the use of either the 3Com power supply provided or IEEE 802.3af compliant power supply equipment (output power rated 48 V dc @ 350 mA maximum). Such equipment must be safety certified according to UL, CSA, IEC or other applicable national or international safety requirements for the country of use. All references to the power supply in this document refer to equipment that meets these requirements.

Because the power supply plug is the only means of disconnecting the access point from power, make sure the power outlet is accessible.

See “Using the Power Supply” on page 18 and “Using a Power-Over-Ethernet LAN Port” on page 19.

Note for use of the 3Com power supply (part number 61-0107-000) in Norway: This product is also designed for use on an IT power system with phase-to-phase voltage of 230 V.

SAFETY INFORMATION

This equipment must be installed in compliance with local and national building codes, regulatory restrictions, and FCC rules. For the safety of people and equipment, only professional network personnel should install the access point, cables, and antennas.

CAUTION: If you supply your own Ethernet cable for connecting power, be sure that it is category 5 straight-through (8-wire) cable that has not been altered in any way. Use of nonstandard cable could damage the access point.

CAUTION: To comply with FCC radio frequency (RF) exposure limits, a minimum body-to-antenna distance of 1 meter (3 feet) must be maintained when the access point is operational.

CAUTION: To avoid possible injury or damage to equipment, you must use either the provided power supply or IEEE 802.3af compliant power supply equipment that is safety certified according to UL, CSA, IEC, or other applicable national or international safety requirements for the country of use. All references to power supply in this document refer to equipment meeting these requirements.

CAUTION: The 3Com power supply (part number 61-0107-000) input relies on a 16A rated building fuse or circuit protector for short circuit protection of the line to neutral conductors.

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Contents Wireless LAN Access Points 8250/8500/8750 3Com Corporation 350 Campus Drive Marlborough, MA Contents System Configuration Regulatory Compliance Information Index Product Features IntroductionManageability SecurityPerformance and Reliability HIGH-PERFORMANCE 802.11A Wireless Network StandardsFAR-REACHING 802.11G Infrastructure Wireless LAN Network Configuration and PlanningAD HOC Wireless LAN Infrastructure Wireless LAN for Roaming Wireless PCSTerminology Page Installing the Access Point Installation RequirementsPower Requirements Safety InformationPage Connecting the Standard Antennas Before YOU BeginConnecting Power Using the Power Supply Mounting on a Wall Using a POWER-OVER-ETHERNET LAN PortChecking the Leds Plastic anchors and 3 screws Flat Surface Installation Selecting and Connecting a Different Antenna Model Power Settings on the Access Point for External Antennas USAInstalling Software Utilities Using the 3COM Wireless Device Manager Launching a Wireless Device ConfigurationClick Configure Using the PRE-IP Configuration Wizard Configuration LoginSetting the Country Code Basic Setup Dhcp Client Advanced SetupIdentification Radius Secure WEB Server ConnectionAuthentication Field Default Description Filter Control Parameter DescriptionFiltering by Vlan Security FiltersFiltering by Ethernet Protocol Type Client List TimeoutUplink Port MAC Address Filtering Administration SnmpBackup Configuration System LOG StatusRadio Settings Radio InterfacePage Configuring Authentication SecurityWPA Configuration Configuring EncryptionWEP Configuration HOW to Setup the Access Point for Radius Authentiction Select Advanced SetupEncryption is Enabled HOW to Setup the Access Point for WPA with PRE-SHAREDPSK KEYWPA Configuration for Windows XP WPA AES Troubleshooting Click Configure Client service area to match Where to GO for Help Troubleshoot Online Obtaining Support for Your ProductAccess Software Downloads Contact US Telephone Technical Support and RepairCountry Telephone Number North America Telephone Regulatory Compliance Information Industry Canada IC Emissions Compliance Statement Additional Country Restrictions WL-463, 802.11g Radio Module Safety Compliance Notice Index Radius TCP/IP
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3CRWE875075A, 3CRWE850075A, 3CRWE825075A specifications

The 3Com 3CRWE850075A, 3CRWE875075A, and 3CRWE825075A are high-performance wireless networking devices that cater to the needs of small to medium-sized businesses, educational institutions, and similar environments. These Wireless LAN access points stand out due to their robust features, scalability, and advanced technologies, ensuring reliable connectivity and high data throughput.

The 3CRWE850075A is designed for the commercialization of high-speed Internet access and multimedia applications. It operates on the 802.11g standard, providing data rates of up to 54 Mbps. Utilizing MIMO (Multiple Input Multiple Output) technology, it effectively doubles the throughput by employing multiple antennas both at the transmitter and receiver ends. This results in improved signal quality and range, ensuring users maintain a strong connection even in high-density environments.

The 3CRWE875075A takes connectivity a step further, supporting both 802.11g and 802.11b standards while providing backward compatibility. It offers a sleek configuration that supports multiple SSIDs, enabling secure guest access while maintaining network integrity. This model is particularly proficient in dealing with heavy traffic situations, ensuring consistent performance across various applications, from data transfer to VoIP services.

The 3CRWE825075A is a versatile access point that excels in providing comprehensive coverage in larger environments. Its unique feature set includes Power over Ethernet (PoE) capabilities, allowing easy deployment in locations without power outlets. This makes installation more flexible and economical. Furthermore, it supports WPA/WPA2 encryption protocols for enhanced security, ensuring the protection of sensitive data transmitted over the network.

All three models prioritize ease of management with web-based interfaces, allowing network administrators to configure and monitor the access points effortlessly. They support Quality of Service (QoS) features, enabling the prioritization of critical applications and enhancing overall user experience during peak usage times.

In summary, the 3Com 3CRWE850075A, 3CRWE875075A, and 3CRWE825075A access points feature advanced wireless technologies, scalable options, and robust security measures designed to meet the demands of modern networking needs. These devices are suitable for various organizational scenarios, providing seamless connectivity, high performance, and reliability, making them essential components in today’s wireless communication infrastructure.