Agilent Technologies E1300B Configuring a Terminal for the Mainframe, Configuring the Terminal

Configuring a Terminal for the Mainframe

Starting with Default Mainframe Settings

Restoring the Default Configuration

We’ll first set the terminal’s serial communication parameters to match the mainframe’s default settings. If the mainframe is new and its factory default values are still set, the terminal will be ready to use. If the settings have been changed and you don’t know what they are (Agilent E1300 with no front panel), you will restore them to their default values.

The mainframe leaves the factory with these default serial communication settings:

•Baud rate; 9600

•Data word width; 8 bits

•Parity type; NONE

•Parity checking; OFF

•Number of stop bits; 1

•Pacing; XON (for both receive and transmit)

•DTR and RTS ON (signal level high)

If your mainframe is new, or you know these default settings are still in effect you can go on to “Configuring the Terminal”. If you are unsure of the current settings, continue on with the following section “Restoring the Default Configuration”.

There is an easy way to restore the factory default settings. While the mainframe is performing its power-up self-test, the built-in serial interface always uses the factory default settings listed above. With your terminal set to the default settings, turn on the mainframe. While the mainframe is “Testing ROM”, press and hold the CTRL key and press the R key. The mainframe will reset its stored serial communication settings to the factory default values. It is important that you press CTRL-Rduring the “Testing ROM” portion of the self-test. The terminal should now display "Select an instrument".

Note

Configuring the Terminal

Restoring the default serial communication settings also clears both the User and System non-volatile RAM areas.

Using your terminal owner’s manual, set the terminal’s communication parameters to the values shown in the list above. For DTR and RTS, set your terminal to DTR or Hardware handshake OFF. In addition, make sure your terminal is configured to “Transmit Functions” or “Transmit Codes”. This means that when you press one of the editing keys (e.g. right arrow key) the terminal will send to the mainframe, the code which corresponds to the key. If this not set properly, the cursor will appear to respond to the keys, but the mainframe will not know that you moved the cursor.

Connecting and Configuring a Display Terminal C-3