Compex Systems 802.11N manual Acknowledgement Timeout

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Fragmentation Threshold: specifies the maximum size for a packet before data is fragmented into multiple packets. The range is 256-2346 bytes, or word “off”. Setting the Fragmentation Threshold too low may result in poor network performance.

The use of fragmentation can increase the reliability of frame transmissions. Because of sending smaller frames, collisions are much less likely to occur. However lower values of the Fragmentation Threshold will result lower throughput as well. Minor or no modifications of the Fragmentation Threshold value is recommended while default setting of 2346 is optimum in most of the wireless network use cases.

Station Isolation: This option allows packets only to be sent from the external network to the CPE and vice verse (applicable for AP/AP WDS mode only). If the Client Isolation is enabled wireless stations connected to the same AP will not be able to interconnect on both layer 2 (MAC) and layer 3 (IP) level. This is effective for the associated stations and WDS peers also.

Acknowledgement Timeout

Device has an auto-acknowledgement timeout algorithm which dynamically optimizes the frame acknowledgement timeout value without user intervention. This is a critical feature required for stabilizing long-distance outdoor links. The user also has the ability to enter the value manually.

Distance: specify the distance value in miles (or kilometers) using slider or enter the value manually. The signal strength and throughput falls off with range. Changing the distance value will change the ACK Timeout to the appropriate value of the distance.

ACK Timeout: specify the ACK Timeout. Every time the station receives the data frame it sends an ACK frame to the AP (if transmission errors are absent). If the station receives no ACK frame from the AP within set timeout it re-sends the frame. The performance drops because of the too many data frames are re-send, thus if the timeout is set too short or too long, it will result poor connection and throughput performance.

Changing the ACK Timeout''== value will change the Distance to the appropriate distance value for the ACK Timeout.

Auto: Adjust control and enable the ACK Timeout Self-Configuration feature. If enabled, ACK Timeout value will be derived dynamically using an algorithm similar to the Conservative Rate Algorithm described above. It is not recommended to use Auto Adjust option for long range links if the signal level is low or the high level of interference is present.

If two or more stations are located at the considerably different distance from the Access Point, the highest ACK Timeout for the farthest station should be set at the AP side. It is not recommended to use Auto Adjust option for Point-to-Multipoint connections as it will not warrant highest network performance in all the use cases.

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Contents Page Trademark Information FCC Notice Declaration of Conformity Table of Contents System Tab StatusOverview the Product IntroductionPoint-to-Point & Point-to-MultiPoint Support Highly Secured Wireless NetworkUConfig Utility Virtual AP Multiple SsidAccess Point WDS Mode Station Mode Station WDS Mode Point-to-PointRouter Mode Repeater WDS Mode Features Status and Indications Device Panel Views and DescriptionsInstall the Hardware Antenna AlignmentAntenna Alignment Installation Direction Setup Requirements Mount the Unit on a PolePrepare Unit to mount to a pole Page Configure the IP Address For Windows 95/98/98SE/ME/NTStep For Windows XP/2000 Select the Use the following IP address radio buttonClick on the OK button to close all windows Access the Web Interface Access with uConfigStep It then opens the device home page. The Status Access with a Web Browser Step Main Menu Bar How to save changesNavigation Network Modes Bridging and Routing LAN SetupBasic Network Tab Primary DNS IP optional Basic Wireless Settings Basic Wireless TabEnable the radio Wireless Mode Local AP-ESSID Access Point Parameters SettingsWireless Profile Country CodeData Rate Channel Spectrum WidthChannel Frequency Rate AggressivenessRemote AP Preferred MAC Station Parameters SettingsRemote AP-ESSID Wireless Adapter mode Channel Scan ListCipher Type Wireless SecurityWPA or WPA2 Authentication Preshared KeySecondary Radius Server IP Authentication PortPrimary Radius Server IP Accounting PortUser Name Station, Station WDS, Repeater WDS mode IdentityUser Password IEEE802.1x Key Length IEEE802.1x SettingsIEEE802.1x Key Rotation Current Key Authentication TypeKey Type WEP KeyVirtual Access Point VAP Long Range Parameters Advance Wireless TabLong Range Parameters Setup Signal Strength Indicator Rssi Noise ImmunityAdvanced Network Tab Adding an entry from Known Server Spanning Tree SetupNAT Setup Adding an entry from Custom Server Router Info Protocol version select RIPv1 or RIPv2 Bandwidth ControlRule Type select By IP or By MAC Firewall Setup Outbound Filtering Setup Page Services Tab Auto-Reboot Ping WatchdogEngine ID Default is Snmp SetupNTP Setup Web Http SecuritySystem Log Setup Telnet Access SetupSSH Access Setup Firmware Upgrade System TabHost Name Administrative and Read-only AccountEnable Read-Only Account Read-Only UsernameConfiguration Management Device MaintenanceMain StatusStatus Reporting Radio LAN SettingWAN Setting Channel Width Station Connection Status InfoWlan Connected Status Wlan Local AP StatisticsPage Bridge Mode Network Settings Bridge ModeNetwork Mode Selections Appendix I NetworkDhcp Fallback IP Bridge IP AddressPrimary/Secondary DNS IP Bridge mode Firewall Configuration Settings Spanning Tree ProtocolAppendix II Wireless with Router Mode AP-Router mode Network SettingsPage Port Forwarding Settings IP of the host system which sends the packets Page Rate Aggressiveness Appendix III- Advanced SettingsAdvanced Wireless Setting Acknowledgement Timeout Signal Strength LED Settings LED Thresholds ConfigurationAppendix IV- Services Snmp AgentNTP Client, Web, Telnet, SSH Server System Log

802.11N specifications

Compex Systems 802.11N solutions are designed to provide high-performance wireless networking, catering to the growing demand for faster and more reliable connectivity in various applications. The 802.11N standard, also known as Wi-Fi 4, significantly enhances the capabilities of previous Wi-Fi standards by utilizing advanced technologies and features.

One of the key characteristics of Compex Systems 802.11N products is their support for Multiple Input Multiple Output (MIMO) technology. MIMO allows the transmission of multiple data streams simultaneously, effectively improving throughput and range. This is especially useful in environments with high user density or physical obstructions, as it enhances the signal quality and minimizes interference.

Another significant feature is the use of Channel Bonding, which combines two adjacent channels to double the data rate. This capability enables users to experience higher speeds, typically reaching up to 600 Mbps under optimal conditions. The dual-band operation, supporting both 2.4 GHz and 5 GHz frequencies, further enhances flexibility and performance. The 2.4 GHz band offers broader coverage, while the 5 GHz band provides faster speeds with less congestion.

Compex Systems also incorporates advanced security protocols in their 802.11N solutions. With support for WPA2 encryption and robust authentication methods, users can ensure that their connections remain secure, protecting sensitive data from potential threats.

Quality of Service (QoS) is another critical feature, allowing network administrators to prioritize traffic according to application needs. This ensures that bandwidth-intensive applications, such as video streaming and online gaming, receive the necessary resources for optimal performance, even in a crowded network environment.

Designed for versatility, Compex Systems 802.11N devices can be employed in various scenarios, including enterprise, education, healthcare, and hospitality sectors. Their compact and durable designs make them suitable for deployment in both indoor and outdoor settings.

Overall, Compex Systems 802.11N solutions offer a comprehensive set of features and technologies aimed at providing robust, high-speed wireless connectivity. With MIMO, Channel Bonding, dual-band support, enhanced security, and QoS capabilities, these systems are well-suited to meet the demands of modern wireless networking environments.
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