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Black Box WS100A Manual

Wlan dual serialbridge
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OCTOBER 2006
LWS100A
LWS100AE
WLAN Dual SerialBridge™
CUSTOMER
technical supp-
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. Call 724-746-5500) Free
SUPPORT
-ort 24 hours a day. 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box
INFORMATION
Corporation. 1000 Park Drive, Lawrence, PA 15055-1018 Website: www.blackbox.com

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  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. Call 724-746-5500) Free SUPPORT -ort 24 hours a day. 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box INFORMATION Corporation. 1000 Park Drive, Lawrence, PA 15055-1018 Website: www.blackbox.com...

  • Page 2: Federal Communications Commission

    LWS100A/LWS100AE User’s Manual FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio-frequency energy, and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication. It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment.

  • Page 3: Table Of Contents

    LWS100A/LWS100AE User’s Manual Table of Content Introduction........................6 Features ......................6 Applications....................8 Installation ........................10 Product Kit ....................10 System Minimum Requirements ..............10 LWS100A/LWS100AE and AP Location ............10 Serial Port Operation Mode Setting............... 11 LED Indicator Label ..................13 Plug in RS232 Cable..................
  • Page 4 LWS100A/LWS100AE User’s Manual Direct Connect with Discovered IP Device ........... 45 LED Status Graphic Display ................. 46 Ping IP Connectivity ..................48 Utility Version....................48 Diagnostics – ComSR Utility ..................49 Install ComSR Utility ................... 50 Open ComSR utility..................51 Select COM port ...................
  • Page 5 LWS100A/LWS100AE User’s Manual Figure 3-10 Select Internet Options..................26 Figure 3-11 Delete Temporary Internet Files ................ 26 Figure 4-1 Open HyperTerminal ..................27 Figure 4-2 PC/NB COM Port Selection................28 Figure 4-3 PC/NB COM Port Settings.................. 28 Figure 4-4 Ready to Accept Command ................. 29 Figure 4-5 Open Telnet Connection..................

  • Page 6: Introduction

    LWS100A/LWS100AE User’s Manual 1. Introduction The LWS100A/LWS100AE WLAN Dual SerialBridge™ easily brings a wireless connection to any serial device in a simple and secure manner. The LWS100A/LWS100AE enables remote accessibility for services and support to any legacy serial devices and eliminates cable interference and ground loops. In addition to expanding beyond cabling limitations, it combines the benefits of data network with proven asynchronous connectivity to deliver high performance serial connections to wireless LANs.
  • Page 7 LWS100A/LWS100AE User’s Manual Supports variant of protocols: TCP, UDP, IP, ICMP, HTTP, TFTP, ARP, DHCP Client, SNMP (get) Auto Discovery function allows available LWS100A/LWS100AE in the network to be automatically discovered Includes Virtual COM function Supports watch dog timer Firmware upgrade via WLAN Wired Equivalent Privacy (WEP) security feature supports 64 and 128-bit encryption Unique site survey function lets users browse for all available active Access Point connections Supports both “Ad-Hoc”...

  • Page 8: Applications

    LWS100A/LWS100AE User’s Manual 1.2 Applications The following describes 4 application examples for LWS100A/LWS100AE: Application 1 – Peer to Peer (Ad-Hoc Mode) Application 1 is a dedicated application environment. Both the Host PC and serial device use the LWS100A/LWS100AE device to communicate with each other (refer to Figure 1-1). Figure 1-1 Peer to Peer (Ad-Hoc Mode) Application 2 –...
  • Page 9 LWS100A/LWS100AE User’s Manual Application 3 – LWS100A/LWS100AE to Access Point (Infrastructure Mode) Application 3 uses the LWS100A/LWS100AE in the serial device side (for example, Programmable Logic Controller, PLC) and the Host PC side is connected to the AP via LAN as shown below. Figure 1-3 LWS100A/LWS100AE to Access Point (Infrastructure Mode) Application 4 –...

  • Page 10: Installation

    LWS100A/LWS100AE User’s Manual 2. Installation Please follow the steps described in Section 2.1 through 2.9 to install your LWS100A/LWS100AE including hardware and utilities. 2.1 Product Kit Before starting installation, please make sure the LWS100A/LWS100AE package includes the following four items: 1) LWS100A/LWS100AE device with one antenna.

  • Page 11: Serial Port Operation Mode Setting

    LWS100A/LWS100AE User’s Manual 2.4 Serial Port Operation Mode Setting LWS100A/LWS100AE supports dual serial ports. Each port can be a console, RS232, RS422 or RS485 port selected by the DIP switch, refer to Figure 2-1. Figure 2-1 LWS100A/LWS100AE Rear Panel There is a DIP switch and serial port ping assignment table attached at the bottom of LWS100A/LWS100AE. Set the serial port type based on your need, refer to Figure 2-2.
  • Page 12 LWS100A/LWS100AE User’s Manual Figure 2-2 DIP Switch and Serial Port Pin Assignment Table For example, To set port 1 as the console port: set DIP switch 3 and 4 to OFF position (i.e. up), refer to Figure 2-1 and Figure 2-2. Port 1 LED will be all OFF. To set port 2 as the RS232 port: set DIP switch 1 to OFF position (i.e.

  • Page 13: Led Indicator Label

    LWS100A/LWS100AE User’s Manual 2.5 LED Indicator Label Figure 2-3 shows the LWS100A/LWS100AE LED indicator label. Figure 2-3 LED Indicator Label The function for each LED is described as follow: Power LED: ON, green, when power adaptor is plugged into LWS100A/LWS100AE Alarm LED: When power is applied to LWS100A/LWS100AE, it will do self test.

  • Page 14: Plug In Rs232 Cable

    LWS100A/LWS100AE User’s Manual 2.6 Plug in RS232 Cable Connect PC/NB to the LWS100A/LWS100AE serial port by using an NULL cross cable with DB9 female connector. This PC/NB will be used to configure LWS100A/LWS100AE via command mode. A NULL cross cable will cross pins 2 & 3, 7 & 8, and 4 & 6. LWS100A/LWS100AE can be configured either by web browser or by command mode.

  • Page 15: Change Pc And Ap Settings

    LWS100A/LWS100AE User’s Manual 2.9.1 Change PC and AP Settings Connect your PC/NB directly with an AP’s LAN port (or via LAN connection). Configure AP with the following settings: IP Address: 192.168.1.xxx where “xxx” is a value other than “200”. Mask: 255.255.255.0 SSID: SerialBridge WEP: Disable Operation Mode: AP (Infrastructure mode)

  • Page 16: Change Lws100A/Lws100Ae Settings

    LWS100A/LWS100AE User’s Manual 2.9.2 Change LWS100A/LWS100AE Settings Your PC/NB needs to be connected with LWS100A/LWS100AE serial port. Follow the steps below to configure LWS100A/LWS100AE: Set LWS100A/LWS100AE serial port to be the console port as described in section 2.4. The permanent, default settings for console port are: Baud Rate: 2,400 Data Length: 8 Parity: None...

  • Page 17: Web Browser Configuration

    3. Web Browser Configuration This section provides directions for LWS100A/LWS100AE web browser configuration: Network Settings, Serial Settings, WLAN Settings, Site Survey, Restore Default, Firmware Upgrade, Password Setting and Reboot the System. 3.1 Home Page The WIRELESS LAN DUAL SERIAL BRIDGE home page will be displayed when the LWS100A/LWS100AE IP address is correctly entered into the web browser, refer to Figure 3-1.

  • Page 18: Network Settings

    LWS100A/LWS100AE User’s Manual Version 1.1 3.2 Network Settings At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Network to change the IP related settings and device description information. Refer to Figure 3-2. Figure 3-2 Network Settings LWS100A/LWS100AE, AP and Gateway must have the same IP subnet.

  • Page 19: Serial Port Settings

    LWS100A/LWS100AE User’s Manual Version 1.1 Serial Port Settings At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Serial to change the serial port related settings, refer to Figure 3-3. Figure 3-3 Serial Settings Depend on the serial port operation mode setting, the LWS100A/LWS100AE web browser configuration will provide different display for user to enter the serial port parameter.

  • Page 20: Wlan Setting

    LWS100A/LWS100AE User’s Manual Version 1.1 3.3 WLAN Setting At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select WLAN to change the WLAN related settings, refer to Figure 3-4. Figure 3-4 WLAN Settings LWS100A/LWS100AE and AP must have the same SSID and WEP settings. When the Operation Mode is set to Infrastructure, LWS100A/LWS100AE will follow the channel used by the AP.

  • Page 21: Site Survey

    LWS100A/LWS100AE User’s Manual Version 1.1 3.4 Site Survey At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Site Survey to find the available AP, refer to Figure 3-5. Note: Wait for few seconds to allow LWS100A/LWS100AE to scan available AP. Figure 3-5 Site Survey It allows users to browse the available active Access Points to which LWS100A/LWS100AE can connect (as long as the AP SSID has not been “hidden”...

  • Page 22: Restore To Default

    LWS100A/LWS100AE User’s Manual Version 1.1 3.5 Restore to Default At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Restore Default to change all the LWS100A/LWS100AE settings to the factory default, refer to Figure 3-6. Figure 3-6 Restore Default Settings Warning: When you restore the device, the configuration settings will be reset to the factory default.

  • Page 23: Firmware Upgrade

    LWS100A/LWS100AE User’s Manual Version 1.1 3.6 Firmware Upgrade At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Firmware Upgrade to upgrade LWS100A/LWS100AE firmware, refer to Figure 3-7. Figure 3-7 Firmware Upgrade As an ongoing development, newly released features may be available. To download the new firmware, the TFTP server must support TFTP protocol.

  • Page 24: Password Setting

    LWS100A/LWS100AE User’s Manual Version 1.1 3.7 Password Setting At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Password Setting to set the user name and password for LWS100A/LWS100AE, refer to Figure 3-8. Figure 3-8 Password Settings LWS100A/LWS100AE provides web browser configuration security feature through the support of the password protection function.

  • Page 25: Reboot

    LWS100A/LWS100AE User’s Manual Version 1.1 3.8 Reboot At the left frame of the WIRELESS LAN DUAL SERIAL BRIDGE web page, select Reboot to reboot LWS100A/LWS100AE, refer to Figure 3-9 Figure 3-9 Reboot For any change on the settings, LWS100A/LWS100AE needs to be rebooted in order to make the change valid. Note: When the reboot is completed, you must refresh the browser, otherwise your web browser might use the old temporary Internet file.

  • Page 26: Figure 3-10 Select Internet Options

    Figure 3-10 Select Internet Options Figure 3-11 Delete Temporary Internet Files...

  • Page 27: Command Mode Configuration

    LWS100A/LWS100AE User’s Manual 4. Command Mode Configuration LWS100A/LWS100AE can be configured by command mode from HyperTerminal via console port or by command mode via Telnet. Note: HyperTerminal is a Microsoft Windows™ program usually accessible from Start, Programs, Accessories, Communications, and HyperTerminal. Refer to section 2.4 to set LWS100A/LWS100AE serial port as the console port.

  • Page 28: Figure 4-2 Pc/Nb Com Port Selection

    LWS100A/LWS100AE User’s Manual Select the COM port used in your PC/NB, and then Set the PC/NB COM port parameters to be the same click Configure button for setting COM port as LWS100A console port default settings, refer to parameters, refer to Figure 4-2. Figure 4-3.

  • Page 29: Figure 4-4 Ready To Accept Command

    When the PC/NB COM parameters are set complete, click OK button, then the following LWS100A/LWS100AE – HyperTerminal window will be displayed. Press the Enter key from the PC/NB keyboard. After entering correct Username and Password, HyperTerminal will prompt “>” symbol and is ready to accept command, refer to Figure 4-4.

  • Page 30: Command Format

    LWS100A/LWS100AE User’s Manual 4.3 Command Format The command format is: COMMAND <parameter_1> <parameter_2> The delimiter among command and parameters is a space. The number of parameter depends on the need of command. Note: After using DEFAULT command, you need to enter the SAVE command in order to save the default value into the flash memory and then enter REBOOT to make the change valid.

  • Page 31: Command Sets

    LWS100A/LWS100AE User’s Manual 4.4 Command Sets The following table shows the available command sets which provide same function as web browser configuration described in section 3. Table 1 Command Sets Administration HELP List all commands Same command as HELP DEFAULT Restore to default UPG <TFTP Server IP>...
  • Page 32 LWS100A/LWS100AE User’s Manual Serial Settings BAUD <COM1|COM2> <1-10> Select serial port (1 or 2) and set baud rate 1: 300 2: 600 3: 1200 4: 2400 5: 4800 6: 9600 7: 19200 8: 38400 9: 57600 10: 115200 Select serial port (1, 2) and set data length (7, 8) DL <COM1|COM2>...

  • Page 33: Telnet

    LWS100A/LWS100AE User’s Manual 4.5 Telnet LWS100A/LWS100AE can also be configured by command mode via Telnet. From your PC/NB Windows, select Start, Run, and then enter “telnet 192.168.1.200”, as shown in Figure 4-5. Figure 4-5 Open Telnet Connection After the Telnet connection is established, enter the username and password, then Telnet will respond the “>” prompt symbol as shown in Figure 4-6.

  • Page 34: Serialcomm™ Utility

    LWS100A/LWS100AE User’s Manual 5. SerialComm™ Utility SerialComm™ utility provides several useful functions: Virtual Com function will treat the Black Box® Dual SerialBridge units (LWS100A, /LES300A/LFS400A Series) serial ports as the COM ports of the Windows based PC/NB running the SerialComm™ Virtual Com function.

  • Page 35: Figure 5-2 Stop Serialcommsvc Service

    LWS100A/LWS100AE User’s Manual for configuration LWS100A. Stop SerialCommSvc Service At the Windows tool bar, select Start, Settings, Control Panel, Administrative Tool, Service, the following window will be displayed. Select SerialCommSvc and then click button. Figure 5-2 Stop SerialCommSvc Service Start SerialCommSvc Service At the Windows tool bar, select Start, Settings, Control Panel, Administrative Tool, Service, the following window will be displayed.

  • Page 36: Define Virtual Com

    LWS100A/LWS100AE User’s Manual Figure 5-3 Start SerialCommSvc Service 5.1 Define Virtual Com At the upper frame of the SerialComm window, select Setting tap window to configure the Virtual Com. Figure 5-4 will be displayed and shows the existing Virtual Com settings in the Virtual Com List.

  • Page 37: Figure 5-4 Virtual Com Settings

    LWS100A/LWS100AE User’s Manual Figure 5-4 Virtual Com Settings Com Port: Enter the Com port number that will be used as the Virtual Com for the PC/NB. Enter the IP address of the remote LES300A/LFS400A/LWS100A Series for the Com port to be mapped to.

  • Page 38: Figure 5-5 Log Area

    LWS100A/LWS100AE User’s Manual Stop COM Port: At the Virtual COM List select the virtual COM port then click this button for removing the COM port <-> IP/TCP Port mapping. As shown in Figure 5-5, at the bottom of SerialComm window, there is log area to show all activity. The log file can also be opened from Windows, click Start, select Programs, SerialComm and then click View Log (refer to Figure 5-1).

  • Page 39: Figure 5-6 Add To Virtual Com List

    LWS100A/LWS100AE User’s Manual Figure 5-6 shows an example to define COM5 mapping to the LES300A/LFS400A/LWS100A Series with IP address 192.168.1.210 and TCP port number 1025. After clicking Add button, this COM port data will be added at the last line of the Virtual Com List. Click Save Configuration button to save the settings into the PC/NB disk file.

  • Page 40: Figure 5-7 Clear From Virtual Com List

    LWS100A/LWS100AE User’s Manual Figure 5-7 Clear from Virtual Com List...

  • Page 41: Create And Stop Virtual Com

    LWS100A/LWS100AE User’s Manual 5.2 Create and Stop Virtual Com To create and stop the Virtual Com, you must select which COM port will be activated first. Select COM port From the Virtual Com List, select the COM port number by clicking the check box under the COM column. For example, in Figure 5-8 COM 3 is selected.

  • Page 42: Figure 5-9 Crate/Stop Virtual Com

    LWS100A/LWS100AE User’s Manual Create/Stop Virtual COM At the right of the Virtual COM List, click the Create COM Ports or Stop COM Ports button to crate the virtual COM port or stop it (refer to Figure 5-9). Figure 5-9 Crate/Stop Virtual COM When the Virtual COM connection is created correctly, the SerialComm™...

  • Page 43: Ident-And-Connect

    LWS100A/LWS100AE User’s Manual 5.3 Ident-and-Connect ™ At the upper frame of the SerialComm window, select Ident-and-Connect tap window. Figure 5-10 will be displayed. There are two methods allow user to search the available SerialBridge units (LWS100A, LES300A Series or LFS400A Series) in the network. Subnet Broadcast Auto Discovery will search all the available SerialBridge units within the same IP subnet as PC/NB has, refer to Figure 5-10.

  • Page 44: Figure 5-11 Ip Range Auto Discovery

    LWS100A/LWS100AE User’s Manual family in the same location, e.g. office, factory, warehouse, etc. Those device description information are entered from, for example, LES300A Network Settings window, refer to section 3.2. IP Range Auto Discovery allows user to specify any class C IP range for searching available SerialBridge™ units (LWS100A, LES300A Series or LFS400A Series) in that IP range, refer to Figure 5-11.

  • Page 45: Direct Connect With Discovered Ip Device

    LWS100A/LWS100AE User’s Manual 5.4 Direct Connect with Discovered IP Device Ident-and-Connect™ auto discovery function also provide the capability for user to connect the PC with the target SerialBridge unit by right clicking the target device IP address and then select Connect. Figure 5-12 shows an example to connect device with IP address 192.168.1.212 which is an LES300A device and located at office.

  • Page 46: Led Status Graphic Display

    LWS100A/LWS100AE User’s Manual 5.5 LED Status Graphic Display LES300A/LFS400A/LWS100A Series LED Status Graphic Display function provides the capability to remotely monitor LES300A/LFS400A/LWS100A Series device status. Right clicking the target IP device’s IP address, and then click Status, refer Figure 5-13 and Figure 5-14. Figure 5-13 Select LED Status Graphic Display...

  • Page 47: Figure 5-14 Led Status Graphic Display

    LWS100A/LWS100AE User’s Manual Figure 5-14 LED Status Graphic Display Figure 5-14 shows an example for LES300A. The Power is ON, Ethernet link is ON. This is traffic in Ethernet port. Port 2 is set to RS232 port while Port 1 is set to console port (all LED is OFF).

  • Page 48: Ping Ip Connectivity

    LWS100A/LWS100AE User’s Manual 5.6 Ping IP Connectivity The Ping IP connectivity function provides an easy way to check the IP connection with the specific IP device. At the upper frame of the SerialComm window, select the Ping tap window, and then click the Ping button. The Ping function will continue to ping the specified IP device.

  • Page 49: Diagnostics - Comsr Utility

    LWS100A/LWS100AE User’s Manual 6. Diagnostics – ComSR Utility Black Box® Dual SerialBridge units (LWS100A/LES300A/LFS400A Series) can be diagnosed by the ComSR utility which provides the loop back test to allow user to send and receive data/file from the PC/NB virtual COM via the remote SerialBridge two serial ports.

  • Page 50: Install Comsr Utility

    LWS100A/LWS100AE User’s Manual 6.1 Install ComSR Utility Please follow the steps below to install ComSR utility into the PC/NB. 1) Insert the supplied CD-ROM in the CD-ROM driver. 2) Read the Readme.txt file under Diagnostic Tool folder first. 3) Execute the file Setup.exe under Diagnostic Tool folder in the CD-ROM. After the installation is completed, an icon will be generated as shown in Figure 6-1 Figure 6-1 ComSR Icon...

  • Page 51: Open Comsr Utility

    LWS100A/LWS100AE User’s Manual 6.2 Open ComSR utility To open ComSR utility, from your PC/NB Windows, click Start, select Programs, SerialComm, Diagnostic Tool and then click ComSR, the ComSR window will be displayed as shown in Figure 6-2 Figure 6-2 ComSR Window ComSR provide two methods for loop testing: Terminal: ComSR is simulated as a simple terminal and allow the characters typed in one side to be shown up at the other side.

  • Page 52: Select Com Port

    LWS100A/LWS100AE User’s Manual 6.3 Select COM port Assume COM5 and COM6 have been set up via the SerialComm™, refer to section 5.1 and section 5.2 for detail on the virtual COM definition and activation. As shown in Figure 6-3, all available COM ports can be found in the pull down window. Select the virtual COM port, which has been setup by the SerialComm™, for both Send side and Receive side.

  • Page 53: Com Port Settings

    LWS100A/LWS100AE User’s Manual 6.4 COM Port Settings ComSR supports both physical COM ports and virtual COM ports. If the PC/NB physical COM ports are selected, then on the Send (and/or Receive) side, click the Setting button to set the Com Port Setting parameters as same values as the physical COM ports settings of your PC/NB. If LES300A/LFS400A/LWS100A Series virtual COM ports are selected, then it is no matter what the Com Port Setting is, the ComSR can still work.

  • Page 54: Simple Terminal Simulator

    LWS100A/LWS100AE User’s Manual 6.5 Simple Terminal Simulator From the Terminal tap window, click the Connect button on both Send and Receive sides. If the connection is established correctly, the Link LED will be ON (green). The ComSR will be acted as if a simple terminal simulator.

  • Page 55: Figure 6-6 Simple Terminal Simulator

    LWS100A/LWS100AE User’s Manual Figure 6-6 Simple Terminal Simulator...

  • Page 56: Send/Receive Text File

    LWS100A/LWS100AE User’s Manual 6.6 Send/Receive Text File From the Send/Receive Text File tap window, follow the similar procedures to select and setup the COM port for both Send and Receive sides, refer to Figure 6-7. Note 1: If the COM ports have been setup in Terminal tap windows and have not been disconnected then it not necessary to setup again.
  • Page 57 LWS100A/LWS100AE User’s Manual Follow the steps below to transfer text file for loop back testing: At the Receive side, click Receive/Compare File button first. button to browse the text file to be sent and then click the Send button. From the Send side click The text file will be sent from the Send side and will be loop back to the Receive side via the remote LWS100A/LWS100AE Series two serial ports connected by one null modem serial cable.

  • Page 58: Specifications

    LWS100A/LWS100AE User’s Manual 7. Specifications Serial Baud Rate Options: 115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200, 600, 300 bps Data Length Options: 7, 8 Bits Parity Options: Even, Odd, None Stop Bit Options: 1 (default), 2 Bits Handshake Flow Control: Hardware Flow Control (RTS/CTS) Software Flow Control (XON/XOF, None) Two Male DB9 RS232 Connectors...
  • Page 59 LWS100A/LWS100AE User’s Manual Antenna Connector: RSMA DIP Switch for Serial Port Type Selection LED: Power, Alarm, Link, Activity, RS232, RS422, RS485 Dimensions: 4.6” x 3.5” x 1.1” (without antenna) 11.7 x 8.8 x 2.7 cm (without antenna) Weight: 10.9 oz./310 grams (without antenna) Environment Temperature: Operating: -20 to +70°C / -4 to +158°F...

  • Page 60: Default Settings

    LWS100A/LWS100AE User’s Manual 8. Default Settings The following subsections show the default settings for LWS100A/LWS100AE. 8.1 Network Figure 8-1 Network Default Settings...

  • Page 61: Wlan

    LWS100A/LWS100AE User’s Manual 8.2 WLAN Figure 8-2 WLAN Default Settings...

  • Page 62: Serial Port

    LWS100A/LWS100AE User’s Manual 8.3 Serial Port When any serial port is set to console port, it has the following default settings: Baud Rate: 2,400 Data Length: 8 Parity: None Stop Bit: 1 Flow Control: None They can not be changed.

  • Page 63: Glossary

    LWS100A/LWS100AE User’s Manual 9. Glossary 802.11 802.11 refer to a family of specifications defined by the IEEE for wireless LAN technology. 802.11 specify an over-the-air interface between a wireless client and a base station or between two wireless clients. There are several specifications in the 802.11 family: 802.11 -- applies to wireless LANs and provides 1 or 2 Mbps transmission in the 2.4 •...
  • Page 64 LWS100A/LWS100AE User’s Manual Thus, baud rate is the speed the digital signal pulses travel. Bit Rate The transmission rate of binary symbols (.0. and .1.) Bit rate is equal to the total number of bits transmitted in one second. DHCP (Dynamic Host Configuration Protocol) A protocol that automatically assigns the dynamic IP addresses to devices on a network.
  • Page 65 LWS100A/LWS100AE User’s Manual ESS (Extended Service Set) A set of more than two or more BSSs (multiple APs) forming a single network IEEE (Institute of Electrical and Electronics Engineers) IEEE is best known for developing standards for the computer and electronics industry CTS (Clear To Send) An RS-232 signal sent from the receiving station to the transmitting station to indicate it is ready to accept data.
  • Page 66 LWS100A/LWS100AE User’s Manual ISP (Internet Service Provider) ISP is a company that provides service for the individuals or companies to access the Internet. It also provides other related services such as web site and virtual hosting. LAN (Local Area Network) LAN is a group of computers or devices that share a common communications media and typically share the resources (e.g.
  • Page 67 LWS100A/LWS100AE User’s Manual can be used to identify a particular subnet. The system administrator can further divide the host address into two or more subnets. A mask is used to determine what subnetwork an IP address belongs to. The subnet mask is the network address plus the bits reserved for identifying the subnetwork.
  • Page 68 LWS100A/LWS100AE User’s Manual © Copyright 2006. Black Box Corporation. All rights reserved. Š›” ›’ŸŽ  Š  ›Ž— Œ Ž  Š¡...

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