
RS-232 Configurations
Connector Type With the adapter cable connected, at the end of the cable is a 25
pin DTE port; a printer cable is required to connect it to hard copy
devices or a computer.
Protocols XON/XOFF, hardware.
Data Bits 8
Stop Bits 1
Parity none.
Baud Rates 1200, 2400, 9600, 19200.
Programmability
All Instrument settings and operating modes may be remotely programmed via RS-232 and
HP-IB (IEEE-488).
Input/Output (HP 54656A only)
Input Lines Two lines for the remote control of Next, Previous, and Reset
functions during sequencing.
Output Lines Five output lines definable in each step. Selections are: on, off,
pulse at the start of a step, pulse at the end of a step, pass, fail, fail
min, and fail max. Output levels are 0 to 5V. Output resistance is
120 ohms. Maximum output current is ± 24 mA.
Reference Information
Operating Characteristics
103
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