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This chapter describes the function and displays the syntax of TN3270 commands. See the Access Services Command Reference for more information about defaults and usage guidelines.
To define specific characteristics of keyboard mappings, use the keymap global configuration command. To remove the named keymap from the current image of the configuration file, use the no form of this command.
keymap keymap-name keymap-entry| keymap-name | Name of the file containing the keyboard mappings. The name can be up to 32 characters long and must be unique. |
| keymap-entry | Commands that define the keymap. |
To specify the keyboard map for a terminal connected to the line, use the keymap-type line configuration command. To reset the keyboard type for the line to the default, use the no form of this command.
keymap-type keymap-name| keymap-name | Name of a keymap defined within the configuration file of the router. The TN3270 terminal-type negotiations use the specified keymap type when setting up a connection with the remote host. |
Use the show keymap EXEC command to test for the availability of a keymap after a connection on a router takes place.
show keymap [keymap-name | all]| keymap-name | (Optional) Name of the keymap. |
| all | (Optional) Lists the names of all defined keymaps. The name of the default keymap is not listed. |
To determine ASCII-hexadecimal character mappings, use the show tn3270 ascii-hexval EXEC command.
show tn3270 ascii-hexvalTo display character mappings between ASCII and EBCDIC, use the show tn3270 character-map EXEC command.
show tn3270 character-map {all | ebcdic-in-hex}| all | Displays all nonstandard character mappings. |
| ebcdic-in-hex | Displays the ASCII mapping for a specific EBCDIC character. |
To test for the availability of a ttycap after a connection on a router takes place, use the show ttycap EXEC command.
show ttycap [ttycap-name | all]| ttycap-name | (Optional) Name of a ttycap. |
| all | (Optional) Lists the names of all defined ttycaps. The name of the default ttycap is not listed. |
To specify the type of terminal connected to the line, use the terminal-type line configuration command. To reset the terminal type for the line to the default, use the no form of this command.
terminal-type terminal-name| terminal-name | Name of a termcap defined within the configuration file. |
To configure the Cisco IOS software to use the mask set by the data-character-bits {7 | 8} line configuration command or the terminal data-character bits {7 | 8} EXEC command, use the tn3270 8bit display line configuration command. To restore the default 7-bit mask used for TN3270 connections, use the no form of this command.
tn3270 8bit displayTo configure the Cisco IOS software to use the mask set by the data-character-bits {7 | 8} line configuration command or the terminal data-character bits {7 | 8} EXEC command, use the tn3270 8bit transparent-mode line configuration command. To restore the default 7-bit mask used for TN3270 connections, use the no form of this command.
tn3270 8bit transparent-modeTo convert incoming EBCDIC characters into ASCII characters, use the tn3270 character-map global configuration command. To restore default character mappings, use the no form of this command.
tn3270 character-map ebcdic-in-hex ascii-in-hex| ebcdic-in-hex | Hexadecimal value of an EBCDIC character. |
| ascii-in-hex | Hexadecimal value of an ASCII character. |
| all | Indicates all character mappings. |
Use the tn3270 datastream global configuration command to enable the TN3270 extended datastream. Use the no form of the command to return to the normal TN3270 datastream.
tn3270 datastream [extended | normal]| extended | Extended datastream. |
| normal | Normal datastream. |
Use the tn3270 null-processing global configuration command to specify how NULLs are handled. Use the no form of the command to return to 7171 NULL processing.
tn3270 null-processing [3270 | 7171]| 3270 | NULLs are compressed out of the string, as on a 3278-x terminal. |
| 7171 | NULLs are converted to spaces, as on a 7171 controller. |
To increase performance between a remote user and a TN3270 host by limiting cursor movement information that is sent to user terminals, issue the tn3270 optimize-cursor-move global configuration command. To ensure that all cursor movement information is sent between the user's terminal and the TN3270 host, use the no form of the command.
tn3270 optimize-cursor-moveUse the tn3270 reset-required global configuration command to lock a terminal after input error until the user resets the terminal. Use the no form of the command to return to the default of no reset required.
tn3270 reset-requiredTo save bandwidth on asynchronous lines by not displaying status messages, issue the no tn3270 status-message global configuration command. To reenable the display of status messages after they have been disabled, issue the tn3270 status-message command.
tn3270 status-messageTo define characteristics of a terminal emulation file, use the ttycap global configuration command. To delete any named ttycap entry from the configuration file, use the no form of this command.
ttycap ttycap-name termcap-entry| ttycap-name | Name of a file. It can be up to 32 characters long and must be unique. |
| termcap-entry | Commands that define the tttycap. Consists of two parts (see Usage Guidelines for details). |
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