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:COMMunicate
:SERial[n] [:RECeive]
:PACE [:PROTocol]
SYSTem:COMMunicate:SERial[n][:RECeive]:PACE[:PROTocol]
< protocol> enables or disables receive pacing (XON/XOFF) protocol.
Parameters Parameter
Name
Parameter
Type
Range of
Values
Default
Units
protocol discrete XON| NONE none
Comments • While …PROT is XON, the serial interface will send XOFF when the
buffer reaches the …STOP threshold, and XON when the buffer reaches
the …STARt threshold.
• For an Agilent E1324A, AUTO is always ON. In this case
…[:RECeive]:PACE will also set …TRAN:PACE
• The XON character is control Q (ASCII 17
10
, 11
16
), The XOFF
character is control S (ASCII 19
10
, 13
16
).
• DIAG:BOOT:COLD will set …PACE to XON.
• Related Commands: …PROTocol:THReshold:STARt,
…PROTocol:THReshold:STOP, …TRAN:AUTO
• *RST Condition: No change
Example Enabling XON/XOFF handshaking.
SYST:COMM:SER0:PACE:PROT XON
:COMMunicate
:SERial[n] [:RECeive]
:PACE [:PROTocol]?
SYSTem:COMMunicate:SERial[n][:RECeive]:PACE[:PROTocol]? returns the
current receive pacing protocol.
Example See if XON/XOFF protocol is enabled.
SYST:COMM:SER0:PACE:PROT?
enter statement statement enters the string
"X ON " or "N ON E "
SYSTem :COMMunicate :SERial[n] [:RECeive] :PACE [:PROTocol]
System Instrument Command Reference 7-41