Moxa Technologies AirWorks AWK-3121 User Manual
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Moxa Technologies AirWorks AWK-3121 User Manual

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Moxa AirWorks AWK-3121
User's Manual
Third Edition, July 2009
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© 2009 Moxa Inc. All rights reserved.
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  • Page 1 Moxa AirWorks AWK-3121 User’s Manual Third Edition, July 2009 www.moxa.com/product © 2009 Moxa Inc. All rights reserved. Reproduction without permission is prohibited.

  • Page 2: Copyright Notice

    Moxa AirWorks AWK-3121 User’s Manual The Moxa software described in this manual is furnished under a license agreement and may be used only in accordance with the terms of that agreement. Copyright Notice Copyright © 2009 Moxa Inc. All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Chapter 1 Introduction ....................1-1 Overview..........................1-2 Package Checklist ........................1-2 Product Features ........................1-2 Product Specifications ......................1-3 Functional Design ........................1-5 LED Indicators ......................1-5 Beeper........................... 1-6 Reset Button ......................... 1-6 Relay (Digital Output) ....................1-6 Chapter 2 Getting Started .....................2-1 First-time Installation and Configuration.................
  • Page 4 Firmware Upgrade...................... 3-45 Config Import Export ....................3-45 Load Factory Default....................3-46 Password........................3-46 Misc. Settings ......................3-46 Save Configuration ........................ 3-47 Restart ............................ 3-48 Logout............................ 3-48 Chapter 4 Software Installation/Configuration ............4-1 Overview..........................4-2 AWK Search Utility ......................... 4-2 Installing AWK Search Utility ..................4-2 Configuring AWK Search Utility .................

  • Page 5: Chapter 1 Introduction

    Introduction Chapter 1 Moxa AirWorks AWK-3121 enables wireless users to access network resources wirelessly. The AWK-3121 is rated to operate at temperatures ranging from 0 to 60°C for standard models and -40 to 75°C for extended temperature models, and is rugged enough for any harsh industrial environment.

  • Page 6: Overview

    AirWorks AWK-3121 User’s Manual Introduction Overview The AWK-3121 Access Point/Bridge and AP Client is ideal for applications that are hard to wire, too expensive to wire, or use mobile equipment that connects to a TCP/IP network. The AWK-3121 can operate at temperatures ranging from 0 to 60°C for standard models and -40 to 75°C for extended temperature models, and is rugged enough for any harsh industrial environment.

  • Page 7: Product Specifications

    AirWorks AWK-3121 User’s Manual Introduction DIN-Rail or wall mounting ability IP30 protected high-strength metal housing Product Specifications WLAN Standards IEEE 802.11a/g/b for Wireless LAN IEEE 802.3u 10/100BaseT(X) for Ethernet LAN EEE 802.3af for Power-over-Ethernet IEEE 802.1D/w STP/RSTP Spread Spectrum and...
  • Page 8 AirWorks AWK-3121 User’s Manual Introduction Alarm Contact 1 relay output (capacity: 1A @24VDC) Digital Input 2 electrically-isolated inputs ‧ +3 to -30V for state “0” (OFF) ‧ 13 to 30V for state “1” (ON) ‧ Max. input current: 8 mA...

  • Page 9: Functional Design

    AirWorks AWK-3121 User’s Manual Introduction Functional Design LED Indicators The LEDs on the front panel of the AWK-3121 allow you to identity the status and wireless settings quickly. The LED for FAULT indicates the system failure and user-configured events. If the AWK-3121 cannot retrieve the IP address from a DHCP server, the FAULT LED will blink at an interval of one second.

  • Page 10: Beeper

    AirWorks AWK-3121 User’s Manual Introduction Beeper The beeper signals that the system is ready with two short beeps. Reset Button The RESET button is located on the top panel of the AWK-3121. You can reboot the AWK-3121 or reset it to factory default settings by pressing the RESET button with a pointed object such as an unfolded paper clip.
  • Page 11 AirWorks AWK-3121 User’s Manual Introduction The AWK-3121’s relay status is summarized as follows: Power Status Event Relay Open Open Short...

  • Page 12: Chapter 2 Getting Started

    Getting Started Chapter 2 This chapter explains how to install Moxa’s AirWorks AWK-3121 for the first time, and quickly set up your wireless network and test whether the connection is running well. With the function guide, you can find out the functions you need easily.

  • Page 13: First-Time Installation And Configuration

    AirWorks AWK-3121 User’s Manual Getting Started First-time Installation and Configuration Before installing the AWK-3121, make sure that all items in the Package Checklist are in the box. In addition, you will need access to a notebook computer or PC equipped with an Ethernet port.

  • Page 14: Communication Testing

    AirWorks AWK-3121 User’s Manual Getting Started NOTE Default user name and password: User Name: admin Password: root For security reasons, we strongly recommend changing the default password. To do so, select Maintenance > Password, and then follow the on-screen instructions to change the password.

  • Page 15: Function Guiding Map

    AirWorks AWK-3121 User’s Manual Getting Started After configuring the WLAN card, establish a wireless connection with the AWK-3121 and open a DOS window on Notebook B. At the prompt, type ping <IP address of notebook A> and then press Enter (see the figure below). A “Reply from IP address …” response means the communication was successful.
  • Page 16 AirWorks AWK-3121 User’s Manual Getting Started A quick overview of the AWK-3121’s status Basic settings for administering the AWK-3121 Essential settings related to establishing a wireless network Advanced features to support additional network management and secure wired and wireless communication * These advanced functions are all optional.

  • Page 17: Web Console Configuration

    Web Console Configuration Chapter 3 In this chapter, we will explain each web management page of the web-based console configuration. Moxa’s easy-to-use management functions will help you set up your AWK-3121, as well as establish and maintain your wireless network easily. In this chapter, we cover the following topics: Configuration by Web Browser Overview...

  • Page 18: Configuration By Web Browser

    AirWorks AWK-3121 User’s Manual Web Console Configuration Configuration by Web Browser Moxa AWK-3121’s web browser interface provides a convenient way to modify its configuration and access the built-in monitoring and network administration functions. The recommended web ® browser is Microsoft Internet Explorer 5.5 or 6.0 with JVM (Java Virtual Machine) installed.
  • Page 19 AirWorks AWK-3121 User’s Manual Web Console Configuration You can use the menu tree on the left side of the window to open the function pages to access each of the AWK-3121’s functions. In the following paragraphs, we will go through each of the AWK-3121’s management functions in detail.

  • Page 20: Overview

    AirWorks AWK-3121 User’s Manual Web Console Configuration Overview The Overview page summarizes the AWK-3121’s current status. The information is categorized into several groups: System info, Device info and 802.11 info. NOTE The values for 802.11 info may not show up due to different operation modes. Therefore,...

  • Page 21: Basic Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Basic Settings The Basic Settings group includes the most commonly used settings required by administrators to maintain and control the AWK-3121. System Info Settings The System Info items, especially Device name and Device description, are displayed and included on the Overview page, SNMP information, and alarm emails.

  • Page 22: Network Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Network Settings The Network Settings configuration allows you to modify the usual TCP/IP network parameters. An explanation of each configuration item is given below. IP configuration Setting Description Factory Default DHCP The AWK-3121’s IP address will be...

  • Page 23: Time Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Time Settings The AWK-3121 has a time calibration function based on information from an NTP server or user specified Date and Time information. Functions such as Auto warning can add real-time information to the message.
  • Page 24 AirWorks AWK-3121 User’s Manual Web Console Configuration ATTENTION Changing the time zone will automatically adjust the Current local time. You should configure the Time zone before setting the Current local time. Daylight saving time Setting Description Factory Default Enable/ Disable...

  • Page 25: Wireless Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Wireless Settings The essential settings for wireless networks are presented in this function group. Settings must be properly set before establishing your wireless network. Basic Wireless Settings The AWK-3121 mainly supports two operational modes that have distinct roles in the wireless...
  • Page 26 AirWorks AWK-3121 User’s Manual Web Console Configuration The following figure shows the Basic Wireless Settings page. The parameters and options are described as follow: Wireless enable Setting Description Factory Default Enable/Disable The RF (Radio Frequency) module Enable can be manually turned on or off.
  • Page 27 AirWorks AWK-3121 User’s Manual Web Console Configuration NOTE When you switch to Client mode, you can find an additional Site Survey button on this page. It can support site survey and pop up a dialog box listing the information of available APs, as shown in the following figure.
  • Page 28 AirWorks AWK-3121 User’s Manual Web Console Configuration Channel (for AP mode only) Setting Description Factory Default Available channels vary AWK-3121 plays a role of wireless 6 (in B/G Mixed mode) with RF type SSID Setting Description Factory Default Max. 31 Characters...

  • Page 29: Wlan Security Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration WLAN Security Settings The AWK-3121 provides four standardized wireless security modes: Open, WEP (Wired Equivalent Privacy), WPA (Wi-Fi Protected Access) and WPA2. Several types of security models are available in AWK-3121 by selecting Security mode and WPA type: Open: No authentication, no data encryption.
  • Page 30 AirWorks AWK-3121 User’s Manual Web Console Configuration According to the IEEE802.11 standard, WEP can be used for authentication and data encryption (confidentiality). Shared (or Shared Key) authentication type is used if WEP authentication and data encryption are both needed. Normally, Open (or Open System) authentication type is often used when WEP data encryption is run with authentication.
  • Page 31 AirWorks AWK-3121 User’s Manual Web Console Configuration Key index Setting Description Factory Default Specifies which WEP key is used Open WEP key 1-4 Setting Description Factory Default ASCII type: A string that can be used as a WEP None 64 bits: 5 chars seed for RC4 encryption engine.
  • Page 32 AirWorks AWK-3121 User’s Manual Web Console Configuration Encryption method Setting Description Factory Default TKIP Temporal Key Integrity Protocol is TKIP enabled Advance Encryption System is enabled Mixed* Provides TKIP broadcast key and TKIP+AES unicast key for some legacy AP clients. This option is rarely used.
  • Page 33 AirWorks AWK-3121 User’s Manual Web Console Configuration WPA/WPA2-Enterprise (for AP mode) By selecting WPA type as Enterprise, you can use EAP (Extensible Authentication Protocol), a framework authentication protocol used by 802.1X to provide network authentication. In these Enterprise-level security modes, a back-end RADIUS (Remote Authentication Dial-In User Service) server is needed if IEEE 802.1X functionality is enabled in WPA /WPA2.
  • Page 34 AirWorks AWK-3121 User’s Manual Web Console Configuration Primary/ Secondary RADIUS port Setting Description Factory Default Port number Specifies the port number of the 1812 delegated RADIUS server Primary/ Secondary RADIUS shared key Setting Description Factory Default Max. 31 characters The secret key shared between AP...
  • Page 35 AirWorks AWK-3121 User’s Manual Web Console Configuration Before choosing the EAP protocol for your WPA/WPA2-Enterpise settings on the client end, please contact the network administrator to make sure the system supports the protocol on the AP end. Detailed information on these three popular EAP protocols is presented in the following...
  • Page 36 AirWorks AWK-3121 User’s Manual Web Console Configuration Because the inner and outer authentications can use distinct user names in TTLS and PEAP, you can use an anonymous user name for the outer authentication, while the true user name is shown only through the encrypted channel.
  • Page 37 AirWorks AWK-3121 User’s Manual Web Console Configuration PEAP There are a few differences in the inner authentication procedures for TTLS and PEAP. TTLS uses the encrypted channel to exchange attribute-value pairs (AVPs), while PEAP uses the encrypted channel to start a second EAP exchange inside of the tunnel. The AWK-3121 provides MS-CHAP-V2 merely as an EAP method for inner authentication.

  • Page 38: Advanced Wireless Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Advanced Wireless Settings Additional wireless-related parameters are presented in this section to help you set up your wireless network in detail. Transmission Rate Setting Description Factory Default Auto AWK-3121 will sense and adjust the...
  • Page 39 AirWorks AWK-3121 User’s Manual Web Console Configuration Fragment threshold Setting Description Factory Default Fragment Length This parameter specifies the maximum size 2346 (256-2346) a data packet before splitting and creating another new packet RTS threshold Setting Description Factory Default RTS/CTS Threshold...
  • Page 40 AirWorks AWK-3121 User’s Manual Web Console Configuration NOTE Make sure the same Transmission distance parameters are set in both AP and Client sides, and both Bridges. When this parameter is more than 500, an optimal algorithm will be enabled to support long-distance transmission.

  • Page 41: Wlan Certification Settings (For Eap-Tls In Client Mode Only)

    AirWorks AWK-3121 User’s Manual Web Console Configuration WLAN Certification Settings (for EAP-TLS in Client mode only) When EAP-TLS is used, a WLAN Certificate will be required at the client end to support WPA/WPA2-Enterprise. The AWK-3121 can support the PKCS #12, also known as Personal...

  • Page 42: Advanced Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Advanced Settings Several advanced functions are available to increase the functionality of your AWK-3121 and wireless network system. The DHCP server helps you deploy wireless clients efficiently. Packet filters provide security mechanisms, such as firewalls, in different network layers. Moreover, the AWK-3121 can support STP/RSTP protocol to increase the reliability across the entire network.
  • Page 43 AirWorks AWK-3121 User’s Manual Web Console Configuration DHCP server (AP only) Setting Description Factory Default Enable Enables AWK-3121 as a DHCP server Disable Disable Disable DHCP server function Default gateway Setting Description Factory Default IP address of a default The IP address of the router that connects to...

  • Page 44: Packet Filters

    AirWorks AWK-3121 User’s Manual Web Console Configuration Packet Filters The AWK-3121 includes various filters for IP-based packets going through LAN and WLAN interfaces. You can set these filters as a firewall to help enhance network security. MAC Filter The AWK-3121’s MAC filter is a policy-based filter that can allow or filter out IP-based packets with specified MAC addresses.
  • Page 45 AirWorks AWK-3121 User’s Manual Web Console Configuration IP Protocol Filter The AWK-3121’s IP protocol filter is a policy-based filter that can allow or filter out IP-based packets with specified IP protocol and source/destination IP addresses. The AWK-3121 provides 8 entities for setting IP protocol and source/destination IP addresses in your filtering policy.
  • Page 46 AirWorks AWK-3121 User’s Manual Web Console Configuration TCP/UDP Port Filter The AWK-3121’s TCP/UDP port filter is a policy-based filter that can allow or filter out TCP/UDP-based packets with a specified source or destination port. The AWK-3121 provides 8 entities for setting the range of source/destination ports of a specific protocol.

  • Page 47: Rstp Settings (For Ap Mode Only)

    AirWorks AWK-3121 User’s Manual Web Console Configuration RSTP Settings (for AP mode only) AWK-3121 supports IEEE802.1D Spanning Tree Protocol and IEEE802.1w Rapid STP standards. In addition to eliminating unexpected path looping, STP/RSTP can provide a backup path recovery if a wired/ wireless path fails accidentally. The reliability and availability can increase because this fail-over function.
  • Page 48 AirWorks AWK-3121 User’s Manual Web Console Configuration Forwarding delay Setting Description Factory Default Numerical value input The amount of time this device waits before 15 (seconds) by user checking to see if it should change to a (4 – 30 seconds) different topology.

  • Page 49: Snmp Agent

    AirWorks AWK-3121 User’s Manual Web Console Configuration Port Status Port Status indicates the current Spanning Tree status of this port. Use Forwarding for normal transmission, or Blocking to block transmission. SNMP Agent The AWK-3121 supports SNMP V1/V2c/V3. SNMP V1 and SNMP V2c use a community string match for authentication, which means that SNMP servers access all objects with read-only or read/write permissions using the community string public/private (default value).
  • Page 50 AirWorks AWK-3121 User’s Manual Web Console Configuration The following parameters can be configured on the SNMP Agent page. A more detailed explanation of each parameter is given below the following figure. Enable Setting Description Factory Default Enable Enables SNMP Agent...

  • Page 51: Auto Warning Settings

    AirWorks AWK-3121 User’s Manual Web Console Configuration Admin auth type (for V1, V2c, V3, and V3 only) Setting Description Factory Default No Auth Use admin account to access objects. No No Auth authentication Provide authentication based on the HMAC-MD5 algorithms. 8-character passwords are the minimum requirement for authentication.
  • Page 52 AirWorks AWK-3121 User’s Manual Web Console Configuration System-related events Event is triggered when… The AWK-3121 is rebooted, such as when its settings System restart (warm start) are changed (IP address, subnet mask, etc.). Network-related events Event is triggered when… LAN link on The LAN port is connected to a device or network.

  • Page 53: Syslog

    AirWorks AWK-3121 User’s Manual Web Console Configuration Syslog This function provides the event logs for the Syslog server. The function supports up to three configurable Syslog servers and Syslog server UDP port numbers. When an event occurs, the event will be sent as a Syslog UDP packet to the specified Syslog servers.

  • Page 54: E-Mail

    AirWorks AWK-3121 User’s Manual Web Console Configuration E-mail E-mail Event Types Check the box for Active to enable the event items. All default values are deactivated (unchecked). Details for each event item can be found on the “System log Event Types” table on page 3-31.

  • Page 55: Relay

    AirWorks AWK-3121 User’s Manual Web Console Configuration Mail server (SMTP) Setting Description Factory Default IP address The IP Address of your email server. None User name & Password Setting Description Factory Default User name and password used in the SMTP...

  • Page 56: Trap

    AirWorks AWK-3121 User’s Manual Web Console Configuration Trap Traps can be used to signal abnormal conditions (notifications) to a management station. This trap-driven notification can make your network more efficient. Because a management station usually takes care of a large number of devices that have a large number of objects, it will be overloading for the management station to poll or send requests to query every object on every device.

  • Page 57: Status

    AirWorks AWK-3121 User’s Manual Web Console Configuration 1st / 2nd Trap server IP/name Setting Description Factory Default IP address or host name Enter the IP address or name of the None trap server used by your network. 1st / 2nd Trap community...

  • Page 58: System Log

    AirWorks AWK-3121 User’s Manual Web Console Configuration System Log Triggered events are recorded in System Log. You can export the log contents to an available viewer by clicking Export Log. You can use the Clear Log button to clear the log contents and the Refresh button to refresh the log.

  • Page 59: Di And Power Status

    AirWorks AWK-3121 User’s Manual Web Console Configuration DI and Power Status The status of power inputs and digital inputs is shown on this web page. The status will refresh every 5 seconds if the Auto refresh box is checked. Wireless Status The status for 802.11 info parameters, such as Operation mode and Channel, are shown on the...

  • Page 60: Maintenance

    AirWorks AWK-3121 User’s Manual Web Console Configuration Maintenance Maintenance functions provide the administrator with tools to manage the AWK-3121 and wired/wireless networks. Console Settings You can enable or disable access permission for the following consoles: HTTP, HTTPS, Telnet and SSH connections. For more security, we recommend you only allow access to the two secured consoles, HTTPS and SSH.

  • Page 61: Firmware Upgrade

    AirWorks AWK-3121 User’s Manual Web Console Configuration Firmware Upgrade The AWK-3121 can be enhanced with more value-added functions by installing firmware upgrades. The latest firmware is available at Moxa’s download center. Before running a firmware upgrade, make sure the AWK-3121 is off-line. Click the Browse button to specify the firmware image file and click Firmware Upgrade and Restart to start the firmware upgrade.

  • Page 62: Load Factory Default

    AirWorks AWK-3121 User’s Manual Web Console Configuration Load Factory Default Use this function to reset the AWK-3121 and roll all settings back to the factory default values. You can also reset the hardware by pressing the reset button on the top panel of the AWK-3121.

  • Page 63: Save Configuration

    AirWorks AWK-3121 User’s Manual Web Console Configuration Save Configuration The following figure shows how the AWK-3121 stores the setting changes into volatile and non-volatile memory. All data stored in volatile memory will disappear when the AWK-3121 is shutdown or rebooted unless they are y. Because the AWK-3121 starts up and initializes with the settings stored in flash memory, all new changes must be saved to flash memory before restarting the AWK-3121.

  • Page 64: Restart

    AirWorks AWK-3121 User’s Manual Web Console Configuration Restart If you submitted configuration changes, you will find a blinking string in the upper right corner of the screen. After making all your changes, click the Restart function in the left menu box. One of two different screens will appear.

  • Page 65: Software Installation/Configuration

    Software Installation/Configuration Chapter 4 In this chapter, we cover the following topics: Overview AWK Search Utility Installing AWK Search Utility Configuring AWK Search Utility...

  • Page 66: Overview

    AirWorks AWK-3121 User’s Manual Web Console Configuration Overview The Documentation & Software CD included with your AWK-3121 is designed to make the installation and configuration procedure easy and straightforward. This auto-run CD includes AWK Search Utility (to broadcast search for all AWK’s accessible over the network), the AWK-3121 User’s Manual, and Quick Installation Guide.
  • Page 67 AirWorks AWK-3121 User’s Manual Web Console Configuration 3. Click Next to install program files to the default directory, or click Browse to select an alternate location. 4. Click Next to create the program’s shortcut files to the default directory, or click Browse to...
  • Page 68 AirWorks AWK-3121 User’s Manual Web Console Configuration 5. Click Next to select additional tasks. 6. Click Next to proceed with the installation. The installer then displays a summary of the installation options.

  • Page 69: Configuring Awk Search Utility

    AirWorks AWK-3121 User’s Manual Web Console Configuration 7. Click Install to begin the installation. The setup window will report the progress of the installation. To change the installation settings, click Back and navigate to the previous screen. 8. Click Finish to complete the installation of AWK Search Utility.
  • Page 70 AirWorks AWK-3121 User’s Manual Web Console Configuration 2. Open the AWK Search Utility and then click the Search icon. The “Searching” window indicates the progress of the search. 3. When the search is complete, all AWKs that were located will be displayed in the AWK...
  • Page 71 AirWorks AWK-3121 User’s Manual Web Console Configuration Click Locate to cause the selected device to beep. Make sure your AWK is unlocked before using the search utility’s icons setting. The AWK will unlock automatically if the password is set to the default. Otherwise you must enter the new password manually.
  • Page 72 AirWorks AWK-3121 User’s Manual Web Console Configuration Use the scroll down list to select the MAC addresses of those AWKs you would like to manage, and then click Add. Key in the password for the AWK device and then click OK to save. If you return to the search page and search for the AWK again, you will find that the AWK will unlock automatically.
  • Page 73 AirWorks AWK-3121 User’s Manual Web Console Configuration To modify the configuration of the highlighted AWK, click on the Web icon to open the web console. This will take you to the web console, where you can make all configuration changes.
  • Page 74 AirWorks AWK-3121 User’s Manual Web Console Configuration Click Assign IP to change the IP setting. The three advanced options—Search, Connection, and Miscellaneous—are explained below: Search Retry count (default=5): Indicates how many times the search will be retried automatically. Retry interval (ms): The time lapsed between retries.
  • Page 75 AirWorks AWK-3121 User’s Manual Web Console Configuration Connection Connection timeout (secs): Use this option to set the waiting time for the Default Login, Locate, Assign IP, Upload Firmware, and Unlock to complete. Upgrade timeout (secs): Use this option to set the waiting time for the connection to disconnect while the firmware is upgrading.

  • Page 76: Other Console Configurations

    Other Console Configurations Chapter 5 This chapter explains how to access the AWK-3121 for the first time. In addition to HTTP access, there are four ways to access AWK-3121: serial console, Telnet console, SSH console, and HTTPS console. The serial console connection method, which requires using a short serial cable to connect the AWK-3121 to a PC’s COM port, can be used if you do not know the AWK-3121’s IP address.

  • Page 77: Rs-232 Console Configuration (115200, None, 8, 1, Vt100)

    AirWorks AWK-3121 User’s Manual Other Console Configurations ATTENTION 1. You CANNOT connect to the AWK-3121 by two ore more of these console configurations simultaneously. 2. You can connect to the AWK-3121 simultaneously by web browser and serial/ Telnet /SSH console. However, we strongly suggest that you do NOT use more than one connection method at the same time.
  • Page 78 AirWorks AWK-3121 User’s Manual Other Console Configurations 2. Select Open under Port Manager to open a new connection. 3. The Communication Parameter page of the Property window opens. Select the appropriate COM port for Console Connection, 115200 for Baud Rate, 8 for Data Bits, None for Parity, and 1 for Stop Bits.

  • Page 79: Configuration By Telnet And Ssh Consoles

    AirWorks AWK-3121 User’s Manual Other Console Configurations 6. The AWK-3121’s device information and Main Menu will be displayed. Please follow the description on screen and select the administration option you wish to perform. NOTE To modify the appearance of the PComm Terminal Emulator window, select Edit Font and then choose the desired formatting options.

  • Page 80: Configuration By Web Browser With Https/Ssl

    AirWorks AWK-3121 User’s Manual Other Console Configurations Follow the steps below to access the console utility via Telnet or SSH client. 1. From Windows Desktop, run Start > Run, and then use Telnet to access the AWK-3121’s IP address from the Windows Run window. (You may also issue the telnet command from the MS-DOS prompt.)

  • Page 81: Disabling Telnet And Browser Access

    AirWorks AWK-3121 User’s Manual Other Console Configurations 2. Warning messages will pop out to warn users that the security certificate was issued by a company they have not chosen to trust. 3. Select Yes to accept the certificate issued by Moxa IW and then enter the AWK-3121’s web browser interface secured via HTTPS/SSL.

  • Page 82: Chapter 6 References

    References Chapter 6 This chapter provides more detailed information about wireless-related technologies. The information in this chapter can help you administer your AWK-3121s and plan your industrial wireless network better. The following topics are covered: Wireless Distribution System (WDS) Beacon DTIM Fragment RTS Threshold...

  • Page 83: Wireless Distribution System (Wds)

    AirWorks AWK-3121 User’s Manual References Wireless Distribution System (WDS) Traditionally, APs are connected via Ethernet LAN ports. By using a Wireless Distribution System (WDS), APs can communicate with one another wirelessly. For example, AP 2 acts as an access point for the notebook computers or other IEEE802.11-enabled clients, and forwards packets sent from the notebook computers to AP 1 through WDS.

  • Page 84: Beacon

    AirWorks AWK-3121 User’s Manual References ATTENTION Be sure to eliminate loops from networks that consist of wireless bridges, Ethernet switches, Ethernet links, and WDS links. If any loops exist, packets will circle around the loops and network performance will be seriously degraded. The following figure shows a network topology containing a loop.

  • Page 85: Stp And Rstp

    AirWorks AWK-3121 User’s Manual References STP and RSTP The STP/RSTP Concept Spanning Tree Protocol (STP) was designed to help reduce link failures in a network, and provide protection from loops. Networks that have a complicated architecture are prone to broadcast storms caused by unintended loops in the network. The STP protocol is part of the IEEE802.1D standard, 1998 Edition bridge specification.

  • Page 86: Chapter 7 Supporting Information

    Supporting Information Chapter 7 This chapter presents additional information about this manual and product. You can also learn how to contact Moxa for technical support. The following topics are covered: About This User’s Manual DoC (Declaration of Conformity) Federal Communication Commission Interference Statement R&TTE Compliance Statement Firmware Recovery Technical Support Contact Information...

  • Page 87: About This User's Manual

    AirWorks AWK-3121 User’s Manual Supporting Information About This User’s Manual This manual is mainly designed for, but no limited to, the following hardware and firmware for the AWK-3121: Hardware Rev: 1.1 Firmware Ver: You are strongly recommended to visit Moxa’s website (http://www.moxa.com) and find the latest product datasheet, firmware, QIG (Quick Installation Guide), UM (User’s Manual) and related...

  • Page 88: Doc (Declaration Of Conformity)

    AirWorks AWK-3121 User’s Manual Supporting Information DoC (Declaration of Conformity) Federal Communication Commission Interference 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 provide reasonable protection against harmful interference in a residential installation.

  • Page 89: Firmware Recovery

    AirWorks AWK-3121 User’s Manual Supporting Information EU Countries Intended for Use The ETSI version of this device is intended for home and office use in Austria, Belgium, Denmark, Finland, France (with Frequency channel restrictions), Germany, Greece, Ireland, Italy, Luxembourg, Portugal, Spain, Sweden, The Netherlands, and United Kingdom.

  • Page 90: Technical Support Contact Information

    AirWorks AWK-3121 User’s Manual Supporting Information Enter 2 to change the network setting. Specify where the AWK-3121’s firmware file on the TFTP server and press y to write the settings into flash memory. AWK-3121 restarts, and the “Press Ctrl-C to enter Firmware Recovery Process…” message will reappear.

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