OTC Wireless ACR-201 Скачать руководство пользователя | Manualshive

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Notice also that in this manual mode throughputs in Bits/Sec are not calculated
due the imprecise timing.

Uninstall the Utility Software

If you need to uninstall the Utility software for any reason, complete the following
steps:

1. Close all programs that are currently running.
2. Click the Window

Start

button, point to

Settings

and then click the

Control Panel

.

2. Double click the

Add/Remove Programs

icon.

3. Click the

AirEZY-2411-BT

.

This will uninstall the utility program from your computer.

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Содержание ACR-201

Страница 1: ...i WiFi Wireless Ethernet Adapter AirEZY 2411 BT ASR 102 ACR 201 User Guide ...

Страница 2: ...r any purpose without the express written permission of the seller If however your only means of access is electronic permission to print one copy is hereby granted The seller provides this documentation without warranty term or condition of any kind The seller may make improvements or changes in the product s and or the program s described in this documentation at any time Other product and compa...

Страница 3: ...2411 BT as an Access Point ASR 102 8 Configure AirEZY 2411 BT as a Station ACR 201 12 Set up the Encryption 13 Obtain the Link Information 15 View the Packet Statistics 16 Uninstall the Utility Software 17 Chapter 4 TROUBLESHOOTING 18 Blank Pages Appear When Open the Utility Program 18 No Radio Link When Set Up As a Station 18 No Radio Link When Set Up As an AP 18 No Network Connection While the R...

Страница 4: ...BT offers a no frill seamless way of fitting a wireless network into an existing wired LAN infrastructure It does not even require the assignment of an extra IP address Existing wired network resources such as DHCP VPN firewall etc reach across the ASR 102 to the client workstations with total transparency Unlike many other 802 11b APs on the market which offer network functions that are duplicati...

Страница 5: ... as either an Access Point or a Station Plug Play as a Station o No driver on the host device is required for radio operation o Radio operation is independent of the operating system on the host device Windows 98 2000 ME Linux Unix embedded etc as long as an Ethernet port is properly supported Simple effective and user selectable network access control methods as an AP Industry standard IEEE 802 1...

Страница 6: ...thernet port via the included Straight through UTP cable Please note that as dictated by the 802 11 standards only one MAC address can be supported by a Station radio As a result an AirEZY 2441 BT configured as a Station will not function properly when connected to a hub plugged in with multiple computers network devices So as a rule straight through cable is always used to connect an AirEZY 2411 ...

Страница 7: ... for connecting directly to a host A cross over UTP cable is needed if connecting to a hub If the yellow LED is not lit and power is on to the device then the Ethernet connection between the host computer and the Wireless Ethernet Adapter is correct If one cannot communicate and the yellow LED is off you may want to re position the AirEZY 2411 BT to a different location for better RF reception You...

Страница 8: ...d antenna ASR 102E ACR 201E Power over Ethernet DC injector and dc extractor 9V adapter if up to 120 ft long CAT 5 cable is used 12V adapter if up to 240 ft long CAT 5 cable is used USB power cable PS2 power cable Power drawn from the USB Ethernet Adapter Printer Printer Server AirEZY 2411 BT ...

Страница 9: ...the Utility Program Therefore it is NOT necessary to install the Utility on the network device computer that you plan to install the AirEZY 2411 BT For example if you plan to connect a printer server wirelessly to the network with the AirEZY 2411 BT you do not need to have the Utility Program installed on the printer server you will not be able to In this example you configure the AireEZY 2411 BT ...

Страница 10: ...ryption tabs Clicking the Refresh button at any moment causes the program to retrieve and display the most updated configuration information from the radio at that moment Clicking the Apply button updates the radio setting without exiting the program Clicking the Apply button under the Access Point sub tab of the Configuration tab however requires correct entry of a password before the radio setti...

Страница 11: ...rd challenge is successfully met A try again message appears as shown in the lower portion of screen shot 4 if incorrect password is entered The radio is shipped with a default password entered on your Quick Start Guide Change this password immediately Make sure that the new password is securely saved somewhere In case the password is lost you must call OTC to obtain a temporary password and a spe...

Страница 12: ...k management not guaranteed by the use of any as the SSID When any is chosen the SSID field display turns blank The special role of any works only in the Infrastructure mode Enhanced Sec There are two aspects to the security of a WiFi radio network access control and data encryption More details on data encryption are given in the section discussing Encryption Independent of whether data encryptio...

Страница 13: ...dress and click the Delete button Clicking on the Exit button right after either the Add or the Delete action but before pressing the Apply button will cancel either the Add or the Delete action Note that if the Station radio is a Wireless PCMCIA Card or a Wireless USB Adapter the MAC address is directly associated with the Card or the Adapter The MAC addresses can be either read off the labels on...

Страница 14: ...preceded by the RTS CTS exchange and thereby maximizing the data throughput Channel Click on the arrow and highlight the desired frequency channel for the radio network A minimum of 20MHz separation from the frequency of an adjacent AP is required Beacon Interval An Access Point periodically sends out Beacon packets to broadcast information for the Stations already associated with the AP or for St...

Страница 15: ... device after the AirEZY 2411 BT Station is connected in order for the Station radio to capture the MAC address of the host computer device Power off then on or reset the host computer device while the AirEZY 2411 BT Station is actively connected can achieve the same The need of a AirEZY 2411 BT Station to learn the MAC address of the host computer device should be contrasted to absence of such ne...

Страница 16: ...on Three selections are available The 64 bit encryption is currently the 802 11 standard The 128 bit encryption is supported by equipment from a limited number of vendors Notice that the user controlled portion of the 64 bit encryption is just 40 bits and that for the 128 bit encryption is just 104 bits 3 bytes of the encryption key are internal to the encryption algorithm Default WEP Key Entry Ai...

Страница 17: ...keys in time intervals less than 12 min This capability is built on top of the default key scheme The default keys 64 bit or 128 bit are still set up in the same manner described above Except that Key 4 is no longer available as a selection for transmission see Transmission Key Sel below The default keys in this situation are only used in the authentication process A Station must respond to an aut...

Страница 18: ... register for the encryption is changed The smaller the number is the securer the communication Obtain Link Information This page provides an overview of the setup of the radio The Device field displays the Device Name assigned to the radio and the firmware installed The Current Status field displays the few configuration parameters most pertinent to setting up a WiFi link In addition if the radio...

Страница 19: ... Frames one can get a picture of the receiving frame error rate The Total Transmitted Octets and Total Received Octets provide a measure of the total traffic through the radio during the Refresh Time Interval The calculated traffic is displayed in KB Sec Note that these traffic numbers are a measure of the amount of data passing through the radio at a given moment and it should not be confused wit...

Страница 20: ...u need to uninstall the Utility software for any reason complete the following steps 1 Close all programs that are currently running 2 Click the Window Start button point to Settings and then click the Control Panel 2 Double click the Add Remove Programs icon 3 Click the AirEZY 2411 BT This will uninstall the utility program from your computer ...

Страница 21: ...ation is turned on and operating properly Make sure that the Signal Strength indicator on the Link Info tab is not zero A minimum of 20 is recommended If the Signal Strength is less than 20 the distance between the AirEZY 2411 BT and the targeted radio an AP or another Station may be too far Decrease the distance to see if the radio link can be established Make sure that the AirEZY 2411 BT is set ...

Страница 22: ... of the host computer device is properly installed Make sure that the UTP cable connecting the radio and the host device meets at least the CAT 3 standard and has a Straight through connection not a Cross over Make sure that the AirEZY 2411 BT when set up as a Station is not connected to a hub with multiple computers devices plugged in Make sure that the IP address of the host computer device is p...

Страница 23: ...ple There is no guarantee that the packet collision can be entirely eliminated by invoking RTS CTS protocol but the severity can be reduced enough to see visible improvement of the link quality Radio Interference You may be able to eliminate RF interference by trying the following Find the channel used by the source of the interference and coordinate your network and the interference source to be ...

Страница 24: ...reseller The seller warrants the media containing software against failure during the warranty period No updates are provided The seller s sole obligation under this express warranty shall be at the seller s option and expense to refund the purchase price paid by Customer for any defective software product or to replace any defective media with software which substantially conforms to applicable s...

Страница 25: ...ion manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures...

Страница 26: ...onization of the laws of the Member States relating to electromagnetic compatibility safety of electrical equipment designed for use within certain voltage limits and on radio equipment and telecommunications terminal equipment Compliance is indicated by the CE marking This product satisfies the radio spectrum requirements of EN 300 328 1 the EMC requirements of EN 301 489 17 and the safety requir...

Страница 27: ...lision Avoidance The medium access control method used by the 802 11 standard Basically a radio can start transmitting signal only when no carrier from another radio is sensed and after a randomized wait time has expired DTIM Delivery Traffic Indication Map The Stations that currently have data held in an AP are identified by a Traffic Indication Map TIM This TIM is included in the beacon sent by ...

Страница 28: ...work traffic in the immediate neighborhood IP Internet Protocol The standard protocol within TCP IP that defines the basic unit of information passed across an Internet connection by breaking down data messages into packets routing and transporting the packets over network connections then reassembling the packets at their destination IP corresponds to the network layer in the ISO OSI model IP Add...

Страница 29: ...Hz equivalent to the older unit of cycles per second One megahertz MHz is one Million Hertz One gigahertz GHz is one Billion Hertz The standard U S electrical power frequency is 60 Hz the AM broadcast radio frequency band is 0 55 1 6 MHz the FM broadcast radio frequency band is 88 108 MHz and wireless 802 11 LANs operate at 2 4GHz SSID Service Set ID A group name shared by every member of a wirele...

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