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类型第二章 增加Terminal和 Modem.ppt

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    第二章 增加Terminal和 Modem.ppt
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    1、第二章 增加Terminal和 Modem,2.1 Modifying Serial PortsTo modify serial port configurations, perform the following steps:1. As the root, log in to the window environment .2. Invoke Admintool as superuser. # admintool & 3. Choose Serial Ports from the Browse menu of the Admintool: Users window,第二章 增加Termina

    2、l和 Modem,第二章 增加Terminal和 Modem,4. Select an entry from the Port column. 5. Choose Modify from the Edit menu.,第二章 增加Terminal和 Modem,Basic Detail ModeThe basic mode of the Admintool: Modify Serial Port window,第二章 增加Terminal和 Modem,The Basic mode includes the following fields:Detail: The default mode i

    3、s Basic. The More and Expert modes each show more configuration data and options.Port: The port selected in the Admintool: Serial Port main window.Service Enable: The service for the specified port is enabledBaud Rate: The line speed used to communicate with the device.Terminal: The terminal type as

    4、 it might be listed in the /etc/termcap file.,第二章 增加Terminal和 Modem,6. Click on Template. Template menu (Figure 6-4) is used to specify the type of physical device,第二章 增加Terminal和 Modem,Terminal Hardwire When this option is selected, you can attach a terminal to your system. This is the default opti

    5、on. Modem Dial In Only users can dial into the modem but cannot dial out. Modem Dial Out Only users can dial out from the modem but cannot dial in. Modem Bidirectional users can either dial in or out from the modem. Initialize Only No Connection port software is initialized, but not configured.,第二章

    6、增加Terminal和 Modem,7. Click on the More selection for Detail.,第二章 增加Terminal和 Modem,Additional configuration parameters displayed include:Initialize Only The port software is initialized, but not configured.Bidirectional The port line is used in both directions.Software Carrier The software carrier d

    7、etection feature is used.Login Prompt The prompt is displayed after the connection is made.Comment This is an optional text description of the service.Port Monitor Tag This tag specifies the port monitor name to be used for this port.,第二章 增加Terminal和 Modem,8. Select Expert mode.,第二章 增加Terminal和 Mode

    8、m,Additional configuration parameters displayed in the Expert Detail mode include: Create utmp Entry: Specifies that a utmp entry is created upon login. This item must be enabled if a login service is used. Service: Specifies the program that is run upon connection. Streams Modules: Specifies the ST

    9、REAMS modules that are pushed before the service is started. Timeout: Specifies the number of seconds before a port is closed. Connect on Carrier: Specifies that the service associated with a port is invoked immediately when a connect indication is received.,第二章 增加Terminal和 Modem,2.2 Adding a Termin

    10、alThe following steps will enable you to configure serial port A for a terminal and test its capability to get a login prompt. 1.Attach the terminal to the serial port labeled “A” on the system using a null-modem cable. 2. Choose Serial Ports from the Browse menu of the Admintool 3. Select Port A wi

    11、th Service Tag ttya. 4. Choose Modify from the Edit menu 5. Choose Terminal Hardwired from the Template menu. 6. Change the values of the template to configure the terminalservice.,第二章 增加Terminal和 Modem,7. Click on OK to configure the port. 8. Test the terminal by logging in.,第二章 增加Terminal和 Modem,第

    12、二章 增加Terminal和 Modem,第二章 增加Terminal和 Modem,2.3 Adding a Bidirectional Modem The following steps will enable you to configure serial port B for a modem and test its capability to communicate with modem commands.1. Connect the modem using a straight-through DB-25 pin to DB-25 pin RS-423/RS232 cable be

    13、tween serial port B on the back of the SPARC system to the modem. 2. Ensure modem switches are set to enable bidirectional use (default). 3. Choose Serial Ports from the Browse menu 4. Select the line for Port B with Service Tag ttyb. 5. Choose Modify from the Edit menu.,第二章 增加Terminal和 Modem,6. Cho

    14、ose the Modem Bidirectional mode from the Template menu. 7. Change the values of the template entries as required. 8. Click on OK to configure the port. 9. Test the modem by using the tip command.,第二章 增加Terminal和 Modem,第二章 增加Terminal和 Modem,第二章 增加Terminal和 Modem,第二章 增加Terminal和 Modem,2.4The tip Comm

    15、and The /usr/bin/tip command is used to connect to a remote system over a serial line (full-duplex connection) using a modem. The tip command is supported by the /etc/remote file.Command Format tip -baud-rate hostname | phone-number1.Connect to a remote system named mercury that is referenced from a

    16、n entry in the local /etc/remote file # tip mercury,第二章 增加Terminal和 Modem,2. Specify a baud rate # tip -9600 mercury 3. Connect to a specific telephone number # tip 141550664072.5 The /etc/remote File The /etc/remote file supports the tip command. The tip command uses the entries in this file to connect to remote devices and systems through a serial port.,第二章 增加Terminal和 Modem,/etc/remote file,

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