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Appendix E: GPIB and RS-232 Interfaces
180
TDS1000/2000-Series Digital Oscilloscope User Manual
GPIB and RS-232 interface comparison (Cont.)
Operating attribute RS-232GPIB
Message termination
(Receive)
Hardware EOL,
software LF, or both
Software CR, LF, CRLF,
LFCR
Message termination
(Transmit)
Hardware EOL, software
LF
Software CR, LF, CRLF,
LFCR
Timing Asynchronous Asynchronous
Transmission path length
(max)
≤ 4 meters between
devices; ≤ 20 meters
total cabling
≤ 15 meters
Speed 200 kBytes/sec 19,200 bits/sec
System environment Multiple devices (≤ 15) Single terminal (point-to-
point connection)