TDS1000/2000-Series Digital Oscilloscope User Manual 179
Appendix E: GPIB and RS-232 Interfaces
The next table provides an in-dept h comparison of the GPIB and
RS-232 interfaces. You should select the interface that best me ets
your requirements.
GPIB and RS-232 interface comparison
Operating attribute GPIB RS -232
Cable IEEE-488 Std. 9-wire
Data flow control Hardware, 3-wire hand-
shake
Flagging:
soft (XON/XOFF),
hard (RTS/CTS)
Data format 8-bit parallel 8-bitserial
Interface control Operator low-level con-
trol message
None
Interface messages Most IEEE-488 Std. D evice clear using a
break signal
Interrupts reported Service requests, status
and event code
None, must be polled for
status