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Getting Started
TDS 310, TDS 320 & TDS 350 Programmer Manual
1Ć9
TableĂ1Ć2:ăRSĆ232 Cables
Tektronix Part
Number
Cable Type Use
012-1379-00 9Ćpin female to 9Ćpin
female, null modem
PC/AT or laptop
012-1380-00 9Ćpin female to 25Ćpin
female, null modem
Old style PC with 25Ćpin connector
012-1298-00 9Ćpin female to 25Ćpin
male, null modem
Serial printers, such as an HP
Deskjet and Sun workstations
012-1241-00 9Ćpin female to 25Ćpin
male, modem
Telephone modem
Setting RSĆ232 Parameters Ċ To set the RSĆ232 parameters, do the
following steps:
1. Press the UTILITY button to display the Utility menu.
2. Press the System main menu button until I/O is selected in the popĆup
menu. Then press the RSĆ232 main menu button to display the RSĆ232C
side menu (see Figure 1Ć11). You may set the following parameters:
H Baud Rate Ċ sets the data transmission rate. You can set rates of
300, 600, 1200, 2400, 4800, 9600, or 19200 baud.
H Hard Flagging Ċ sets hard flagging (RTS/CTS) on or off. Flagging
controls the flow of data between devices. When both hard and soft
flagging are off, the oscilloscope does not use or recognize any
flagging. Use hard flagging for binary data transfers.
H Soft Flagging Ċ sets soft flagging (XON/XOFF) on or off. Hard flagĆ
ging is the preferred method of controlling the flow of data between
devices. When both hard and soft flagging are off, the oscilloscope
does not use or recognize any flagging. You should not use soft
flagging with binary data transfer since the data may contain XON
and XOFF characters. Use hard flagging for binary data transfers.
H Set RSĆ232 Parameters to Default Values Ċ sets default values for
RSĆ232 parameters (for a list of default settings see page 2Ć139).
H EOL Ċ sets the end of line terminator sent by the oscilloscope. You
can set CR, LF, CRLF, or LFCR (for more information on line terminaĆ
tors see page 2Ć142).
H Parity Ċ adds an error check bit (ninth bit) to each character. You can
set the error bit for either None, Even, or Odd parity. When the parity
setting is odd or even, the oscilloscope generates the selected parity
on output and checks incoming data for the selected parity. When the
parity setting is none, there is no parity bit.
H Stop Bits Ċ sets the number of stop bits sent after each character.
You can set 1 or 2 stop bits.