8163A/B, 8164A/B, 8166A/B User’s Guide 341
Installation and Maintenance 11
Serial Interface
The mainframe’s serial interface has configurable and fixed parameters.
• The Baudrate set for the serial interface of the instrument should match
that set for the PC serial interface connected to it.
• The PC serial interface should be configured to match the instrument’s
fixed parameters.
Configurable Parameters
Baudrate. Refer to How to Set the Speed of the Serial Interface on
page 87.
Fixed Parameters
These are:
Serial Interface Configuration - Fixed Parameters
Data Bits 8
Parity None
Stop Bits 1
Flow Control Hardware (RTS/CTS)
For serial communication use the null modem cable provided with your
instrument (Keysight P/No. 5180-2477). This is primarily used for the
firmware upgrade process.