HP 34401A User Manual page 148

Chapter 4 Remote Interface Reference
RS-232 Interface Configuration
RS-232 Interface Configuration
See also "Remote Interface Configuration," on page 91 in chapter 3.
You connect the multimeter to the
serial connector on the rear panel. The multimeter is configured as a
DTE
the
DTR
The following sections contain information to help you use the
multimeter over the
for
RS-232 Configuration Overview
Configure the
Use the front-panel
number of data bits (see also pages 163 and 164 for more information).
Baud Rate: 300, 600, 1200, 2400, 4800, or 9600 baud (factory setting)
Parity and Data Bits: None / 8 data bits (factory setting)
Number of Start Bits: 1 bit (fixed)
Number of Stop Bits:
C a u t i o n Do not use the RS-232 interface if you have configured the multimeter to
output pass/fail signals on pins 1 and 9. Internal components on the
RS-232 interface circuitry may be damaged.
148
(Data Terminal Equipment) device. For all communications over
-232 interface, the multimeter uses two handshake lines:
RS
(Data Terminal Ready) on pin 4 and
-232 interface. The programming commands
RS
-232 are listed on page 153.
RS
-232 interface using the parameters shown below.
RS
I/O MENU
Even / 7 data bits, or
Odd / 7 data bits
2 bits
-232 interface using the 9-pin (
RS
(Data Set Ready) on pin 6.
DSR
to select the baud rate, parity, and
(fixed)
-9)
DB