Rosewill RNX-N250UB User Manual
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Rosewill RNX-N250UB User Manual

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Wireless N Adapter
RNX-N250UB
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Summary of Contents for Rosewill RNX-N250UB

  • Page 1 Wireless N Adapter RNX-N250UB User Manual...

  • Page 2: Fcc Statement

    Wireless N Adapter RNX-N250UB FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to pro-vide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not in-stalled and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 3 Wireless N Adapter RNX-N250UB Luxembourg Norway Implemented Russian Federation Note: Please don’t use the product outdoors in France. General authorization required for network and service supply(not for spectrum) This subsection does not apply for the geographical area within a radius of 20 km from the centre of Ny-Ålesund...

  • Page 4: Before We Begin

    Specifications are subject to change without notice. is a registered trademark of ROSEWILL INC. Other brands and product names are trademarks or registered trademarks of their respective holders. No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from ROSEWILL INC.

  • Page 5: Table Of Contents

    3.1 Connecting with Microsoft Zero Configuration (XP only) ... 20 3.2 Connecting through Rosewill Utility ... 22 3.2.1 Steps to add wireless signal with Rosewill Utility for one time use... 23 3.2.2 Steps to add wireless signal into Profile and keep for future record ... 24 3.3 Connecting with Mac OS...

  • Page 6: Chapter 1 Introduction

    You could enjoy the racing speed of wireless connection, surfing on Internet without string wires. Adding Rosewill RNX-N250UB to your Notebook or Computer, it provides an excellent performance and cost-effective solution for doing media-centric activities such as streaming video, gaming, and enhances the QoS (WMM) without any reduction of performance.

  • Page 7: Features & Benefits

    Wireless N Adapter RNX-N250UB 1.1 Features & Benefits Features Racing Speed up to 300Mbps data rate (2.4GHz 11N technology) Advanced power management WPA/WPA2 (IEEE 802.11i), WPA-PSK, WPA2-AES, WEP 64/128 Support Support 2Tx * 2Rx Radio WMM (IEEE 802.11e) standard support USB 2.0/1.1...

  • Page 8: System Requirements

    Wireless N Adapter RNX-N250UB 1.4 System Requirements The following are the minimum system requirements in order to use the USB adapter.  PC/AT compatible computer with a USB interface.  Windows 2000/XP/Vista/7 (32 and 64 bit) or Mac OS X 10.6 operating system.
  • Page 9 Wireless N Adapter RNX-N250UB  Wireless Operation Mode – Client  Settings Wireless Mode – 11b / 11g / 11n  Channel Selection (Setting varies by Country)  Channel Bandwidth (Auto, 20Mhz, 40Mhz)  Transmission Rate: 11g: Best. 54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2, 1 in...

  • Page 10: Suggested Applications

    Wireless N Adapter RNX-N250UB Temperature Range Humidity (non-condensing) 1.6 Suggested Applications The wireless LAN products are easy to install and highly efficient. The following list describes some of the many applications made possible through the power and flexibility of wireless LANs: a) Difficult-to-wire environments There are many situations where wires cannot be laid easily.
  • Page 11 Wireless N Adapter RNX-N250UB User Manual This is the simplest network configuration with several computers equipped with the PC Cards that form a wireless network whenever they are within range of one another. In ad-hoc mode, each client is peer-to-peer, would only have access to the resources of the other client and does not require an access point.

  • Page 12: Chapter 2 Installation Guide

    Wireless N Adapter RNX-N250UB Chapter 2 Installation Guide 2.1 Before You Begin Note: WiFi Alliance certification recommends WPA2 AES to be the security mechanism under 11N mode. System driver will automatically bring down wireless data rate to 54Mbps if other security method such as WEP or WPA is used under 11n mode.
  • Page 13 RNX-N250UB 2. Click on Windows Driver to start the install process. Once the setup begins you will see the InstallShield Wizard. Select Install driver and Rosewill WLAN Utility and then click on the Next> button. 3. Wait for a few seconds until the driver and client utility is installed.

  • Page 14: Installing The Drivers For Mac Os X

    Wireless N Adapter RNX-N250UB 4. The installation is complete. Click on the Finish button. 5. Carefully insert the USB adapter into the USB port. Windows will then detect and install the new hardware. 6. A icon will then appear in the system tray. Right click on the then click on Launch Config Utility.
  • Page 15 Wireless N Adapter RNX-N250UB 1. Insert the CD-ROM that was provided to you in this package. The setup should run automatically. If the setup does not run automatically, then you must manually select the setup file from the CD-ROM drive.
  • Page 16 Wireless N Adapter RNX-N250UB 3. Select the Macintosh HD and then click on the Continue button. 4. Click on the Continue button to configure the next step. 5. The installation is complete. Click on the Restart button. 6. Carefully insert the USB adapter into the USB port. MAC OS X will then detect and install the new hardware.
  • Page 17 Wireless N Adapter RNX-N250UB User Manual 7. The Client Utility is installed in the Applications folder.

  • Page 18: Uninstall The Drivers & Client Utility

    Follow the steps below in order to uninstall the client utility: 1. Click on Start > Rosewill Wireless > Uninstall Rosewill Wireless USB Adapter 2. The un-installation process will then begin. 3. Click on the Yes button to confirm the un-installation process and then click on the Next button.
  • Page 19 Wireless N Adapter RNX-N250UB User Manual 4. The un-installation process is complete. Select Yes, I want to restart my computer now radio button and then click on the Finish button. Then remove the USB adapter. Figure 2-13...

  • Page 20: Chapter 3 Connection Guide

    Wireless N Adapter RNX-N250UB Chapter 3 Connection Guide 3.1 Connecting with Microsoft Zero Configuration (XP only) After specifying the Microsoft Zero Configuration tool to configure your wireless network, right click on the icon available wireless Networks” to specify your wireless network.
  • Page 21 Wireless N Adapter RNX-N250UB If your wireless Network does not contains encryption, select the intended access point and click "Connect". Then click "Connect Anyway" like Figure 3-4 Once completed, you should see like Figure 3-5 as your computer is now “Connected”...

  • Page 22: Connecting Through Rosewill Utility

    Figure 3-7. You can use the advanced tab to configure other advanced features provided by Rosewill's wireless NIC. For details on configuring the advanced features, please check with Chapter 5.

  • Page 23: Steps To Add Wireless Signal With Rosewill Utility For One Time Use

    RNX-N250UB 3.2.1 Steps to add wireless signal with Rosewill Utility for one time use This section will lead you to link your wireless signal with your RNX-N250UB. Please follow the Figure 3-8 in adding the signal. Click“Rescan＂: Click on Rescan to search for all wireless signals near you.

  • Page 24: Steps To Add Wireless Signal Into Profile And Keep For Future Record

    3.2.2 Steps to add wireless signal into Profile and keep for future record Add to profile will help to store your wireless signal’s information with your RNX-N250UB. Please follow the Figure 3-9 to add the signal into your profile so you don’t have to enter them in the future.
  • Page 25 Wireless N Adapter RNX-N250UB In Auth.\Encry., First select Authentication of your wireless signal, Like Figure 3-10 Enter your Wireless Network’s password. Click OK to complete the process. Note: you could also add a new profile quickly by selecting an available network in the “Network”...

  • Page 26: Connecting With Mac Os

    Wireless N Adapter RNX-N250UB In Auth.\Encry. Like Figure 3-12 First select Authentication of your wireless signal. This should automatically provided to you when select your desired SSID. Enter your password. Click OK to complete the process. 3.3 Connecting with Mac OS The Connection Utility can also help you connect through Mac OS.
  • Page 27 Wireless N Adapter RNX-N250UB Upon opening the Wireless Utility program, first click open “Site Survey” Select your desired AP signal under the AP List. You can further search the signal by clicking “RESCAN” After selecting the AP signal, you can select either “CONNECT” or “ADD PROFILE”...
  • Page 28 Wireless N Adapter RNX-N250UB Once click Profile, you will be prompt to ask for your personal settings such as “System Configuration” and “Authentication & Security”.  You have the choice to select “Authentication & Security” and enter the password for connecting to the signal.
  • Page 29 Wireless N Adapter RNX-N250UB For WEP, Select Open or Shared from the Authentication Type‘s drop-down list.  Then select WEP from Encryption’s drop-down list.  WEP Key: Type a character string into the field.    Click on the OK button to save the changes.
  • Page 30 Wireless N Adapter RNX-N250UB For WPA or WPA2, please select from Authentication’s drop-down list.  Select TKIP or AES from Encryption’s drop-down list.  WPA Preshared key: Enter a pass phrase which is between 8 and 32 characters long. ...

  • Page 31: Chapter 4 Utility Detailed Definition Guide

    Utility Detailed Definition Guide 4.1 Utility Guide for Windows OS The Rosewill Utility consisted of three parts: Tab Section: on top of the window. You can click each button to access each configuration windows includes Profile page, Network Page, Advanced Page, WPS Page, Radio On/Off function, and About Network Section: Provides you with information on the wireless signals around you.

  • Page 32: Tab Section Details

    Wireless N Adapter RNX-N250UB 4.1.1 Tab Section Details Tab Section provides you with the option to utilize RNX-N250UB. 4.1.1.1 Profile The Profile List keeps a record of your favorite wireless settings at home, office, and other public hot-spots. You can save multiple profiles, and activate the correct one at your preference.
  • Page 33 Wireless N Adapter RNX-N250UB Tx Power: Transmitting power, the amount of power used by a radio transceiver to send the signal out. RTS Threshold: Users can adjust the RTS threshold number by sliding the bar or keying in the value directly.
  • Page 34 Wireless N Adapter RNX-N250UB .1.1.3 Advance Here you can find the Advanced config onfigure Tx burst, WMM, and CCX. Defin ition of Each Fields in Advance: Wireless mode: Click the drop list to select a wireless mode. Enable TX Burst: Select to enable connecting to a TX Burst supported device ble TCP Window Size: Mark the which help enhance throughput.
  • Page 35 Wireless N Adapter RNX-N250UB information counter counters into a format easier for user to understand. Defin ition of Each Fields in Statistics - Transmit: Frames Transmitted Successfully: Frames successfully sent. mes Retransmitted numbers mes Fail To Receiv hitting retry limit...
  • Page 36 Wireless N Adapter RNX-N250UB Defin ition of Each Fields in Statistics - Receive: Frames Received Successfully: Frames received successfully Frames Received With CRC Error: Frames received with CRC error mes Dr opped Due To Out-of-Resource: Frames dropped due to resource issue Duplicate Frames Received: Duplicate received frames.
  • Page 37 Wireless N Adapter RNX-N250UB Definition of Each Fields in WPS: WPS AP List: Display the information of surrounding APs with WPS IE from last scan result. List information includes SSID, BSSID, Channel, ID (Device Password ID), Security-Enabled. Rescan: Click to rescan the wireless networks.

  • Page 38: Status Section Details

    Wireless N Adapter RNX-N250UB Click "About" displays the wireless card and driver version information as shown in Figure 4-16. 4.1.2 Status Section Details The Status page displays detailed information about the current connection as shown in Figure 4-18. Definition of Each Fields in Status: Status: Current connection status.
  • Page 39 Wireless N Adapter RNX-N250UB Encryption: Encryption type in use. Network Type: Network type in use. IP Address: IP address about current connection. Sub Mask: Sub mask about current connection. Default Gateway: Default gateway about current connection. Link Speed: Show current transmit rate and receive rate.
  • Page 40 Wireless N Adapter RNX-N250UB The WEP tab displays the WEP settings. Encryption is designed to make the data transmission more secure. You may select 64 or 128-bit WEP (Wired Equivalent Privacy) key to encrypt data (Default setting is Disable). WEP encrypts each frame transmitted from the radio using one of the Keys from a panel.
  • Page 41 Wireless N Adapter RNX-N250UB protocol that enables a variety of authentication protocols to be used. It passes through the exchange of authentication messages, allowing the authentication software stored in a server to interact with its counterpart in the client. Authentication Type: Select WPA or WPA2 from the drop-down list.
  • Page 42 Wireless N Adapter RNX-N250UB Authentication Type: Select WPA-PSK or WPA2-PSK from the drop-down list. Encryption: Select TKIP or AES from the drop-down list. WPA Preshared key: Enter a pass phrase which is between 8 and 32 characters long. Click on the OK button to save the changes.
  • Page 43 Wireless N Adapter RNX-N250UB Authentication Type: Select LEAP from the drop-down list. Identity: Enter the user name. Password: Enter the password. Domain: Enter a domain name. Encryption: Select WEP, WPA-TKIP or WPA2-AES encryption. Click on the OK button to save the changes.
  • Page 44 Wireless N Adapter RNX-N250UB Authentication Type: Select PEAP from the drop-down list. Protocol: If your network uses TLS or Smart Card to authenticate its users, select TLS/Smartcard from the drop down list. TLS (Transport Layer Security) is an IETF standardized authentication protocol that uses PKI (Public Key Infrastructure) certificate-based authentication of both the client and authentication server.
  • Page 45 Wireless N Adapter RNX-N250UB Authentication Type: Select TTLS from the drop-down list. Protocol: Select EAP-MSCHAP v2, MS-CHAP, or CHAP from the drop-down list. Identity: Enter the user name. Password: Enter the password. Click on the OK button to save the changes.

  • Page 46: Utility Guide For Mac Os

    Wireless N Adapter RNX-N250UB Use certificate chain: Place a check in this to enable the certificate use. Certificate issuer: Select the Certification Authority from the drop-down list. Allow intermediate certificates: During tunnel creation the client must verify the server’s certificate. When checking this certificate the signature is verified against a list of trusted certificate authorities.

  • Page 47: Infrastructure Mode

    Wireless N Adapter RNX-N250UB User Manual Figure 4-27 4.2.2 Infrastructure Mode The infrastructure mode requires the use of an Access Point (AP). In this mode, all wireless communication between two computers has to be via the AP. It doesn’t matter if the AP is stand-alone or wired to an Ethernet network.
  • Page 48 Wireless N Adapter RNX-N250UB Profile: Enter a name for the profile; this does not need to be the same as the SSID. SSID: Enter the SSID of the network or select one from the drop-down list. The SSID is a unique name shared among all points in your wireless network. The SSID must be identical for all points in the network, and is case-sensitive.

  • Page 49: Ad-Hoc Mode

    Wireless N Adapter RNX-N250UB 4.2.3 Ad-hoc Mode This is the simplest network configuration with several computers equipped with the PC Cards that form a wireless network whenever they are within range of one another. In ad-hoc mode, each client is peer-to-peer, would only have access to the resources of the other client and does not require an access point.

  • Page 50: Authentication And Security

    Wireless N Adapter RNX-N250UB packet. Fragment Threshold: Place a check in this box if you would like to enable Fragment Threshold. Any packet larger than the specified value (bytes) will be fragmented. Click on the OK button to save the changes.
  • Page 51 Wireless N Adapter RNX-N250UB WEP Key: Type a character string into the field. For 64-bit enter 5 alphanumeric or 10 hexadecimal characters. For 128-bit enter 13 alphanumeric or 26 hexadecimal characters. Click on the OK button to save the changes.

  • Page 52: Link Status

    Wireless N Adapter RNX-N250UB Show Password check box. If you want to make sure the accuracy of password you type, click the Show Password box to check it. 4.2.5 Link Status The Link Status tab displays the current status of the wireless radio. The following information is included in this tab, as the image depicts below.

  • Page 53: Site Survey

    Wireless N Adapter RNX-N250UB Signal Strength: This bar displays the strength of the signal received from an AP or client. Noise Level: Displays the background noise level; a lower level indicates less interference. HT: High Through-Put / 802.11 n Section...

  • Page 54: Statistics

    Wireless N Adapter RNX-N250UB Signal: Displays the receiving signal strength from the Access Point. Channel: Displays the channel number of the Access Point. Authentication: displays the authentication on the Access Point, this includes WPA, WPA-PSK, WPA2, or Unknown. Encryption: Displays the encryption on the Access Point, this includes WEP, TKIP, AES or None.

  • Page 55: Advanced Configuration

    Wireless N Adapter RNX-N250UB 4.2.8 Advanced Configuration The Advanced tab is used to configure advanced wireless settings. Wireless mode: 2.4Ghz only. Tx Rate: The transmit rate is set to auto by default. Tx BURST: Click the check box will enhance the throughput Click on the Apply button to save the changes.
  • Page 56 Wireless N Adapter RNX-N250UB Rescan: Click on this button to view a list of Access Points in the area. Renew: Regenerate a new PIN code Config Mode: switch between Enrollee or Registrar Profile Detail: show profile of the selected party...

  • Page 57: About

    NIC (Network Interface Card) firmware version and date. Thank you for purchasing a quality Rosewill Product. Please register your product at: www.rosewill.com for complete warranty information and future support for your product.

  • Page 58: Appendix A - Glossary

    Wireless N Adapter RNX-N250UB Appendix A – Glossary 802.11 A family of specifications for wireless local area networks (WLANs) developed by a working group of the Institute of Electrical and Electronics Engineers (IEEE). Access Control List ACL. This is a database of network devices that are allowed to access resources on the network.
  • Page 59 Wireless N Adapter RNX-N250UB so that conversions can be made in both directions. Application layer 7th Layer of the OSI model. Provides services to applications to ensure that they can communicate properly with other applications on a network. ASCII American Standard Code for Information Interchange. This system of characters is most...
  • Page 60 Wireless N Adapter RNX-N250UB Bits per second BOOTP Bootstrap Protocol. Allows for computers to be booted up and given an IP address with no user intervention Bottleneck A time during processes when something causes the process to slowdown or stop all together...
  • Page 61 Wireless N Adapter RNX-N250UB Uses a randomly selected 56-bit key that must be known by both the sender and the receiver when information is exchanged Database Organizes information so that it can be managed updated, as well as easily accessed by users or applications.
  • Page 62 Wireless N Adapter RNX-N250UB DSSS: Modulation technique used by 802.11b wireless devices "Demilitarized Zone". A computer that logically sits in a "no-mans land" between the LAN and the WAN. The DMZ computer trades some of the protection of the router's security mechanisms for the convenience of being directly addressable from the Internet.
  • Page 63 Wireless N Adapter RNX-N250UB Fiber optic A way of sending data through light impulses over glass or plastic wire or fiber File server A computer on a network that stores data so that the other computers on the network can all access...
  • Page 64 Wireless N Adapter RNX-N250UB H.323 A standard that provides consistency of voice and video transmissions and compatibility for videoconferencing devices Half-duplex Data cannot be transmitted and received at the same time Hashing Transforming a string of characters into a shorter string with a predefined length...
  • Page 65 Wireless N Adapter RNX-N250UB Infrastructure In terms of a wireless network, this is when wireless clients use an Access Point to gain access to the network Internet A system of worldwide networks which use TCP/IP to allow for resources to be accessed from...
  • Page 66 Wireless N Adapter RNX-N250UB A programming language used to create programs and applets for web pages Kbps Kilobits per second Kbyte Kilobyte L2TP Layer 2 Tunneling Protocol Local Area Network Latency The amount of time that it takes a packet to get from the one point to another on a network. Also...
  • Page 67 Wireless N Adapter RNX-N250UB Management Information Base is a set of objects that can be managed by using SNMP Modem A device that Modulates digital signals from a computer to an analog signal in order to transmit the signal over phone lines. It also Demodulates the analog signals coming from the phone lines to...
  • Page 68 Wireless N Adapter RNX-N250UB Network Interface Card Network Time Protocol OFDM Orthogonal Frequency-Division Multiplexing is the modulation technique for both 802.11a and 802.11g Open Systems Interconnection is the reference model for how data should travel between two devices on a network...
  • Page 69 Wireless N Adapter RNX-N250UB Point-to-Point Protocol is used for two computers to communicate with each over a serial interface, like a phone line PPPoE Point-to-Point Protocol over Ethernet is used to connect multiple computers to a remote server over Ethernet...
  • Page 70 Wireless N Adapter RNX-N250UB The interface for serial communication between computers and other related devices Algorithm used for encryption and authentication Server A computer on a network that provides services and resources to other computers on the network Session key...
  • Page 71 Wireless N Adapter RNX-N250UB A feature of a firewall that monitors outgoing and incoming traffic to make sure that only valid responses to outgoing requests are allowed to pass though the firewall Subnet mask Determines what portion of an IP address designates the Network and which part designates the...
  • Page 72 Wireless N Adapter RNX-N250UB Upload To send a request from one computer to another and have a file transmitted from the requesting computer to the other UPnP Universal Plug and Play Uniform Resource Locator is a unique address for files accessible on the Internet...
  • Page 73 Wireless N Adapter RNX-N250UB A utility that allows you to view content and interact with all of the information on the World Wide Wired Equivalent Privacy is security for wireless networks that is supposed to be comparable to that of a wired network...

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