National Instruments GPIB-100A - Manual (Page 13)

Description of the GPIB-100A Chapter 1
GPIB-100A User Manual 1-4 © National Instruments Corporation
Table 1-2. Performance Characteristics
Characteristic Specification
speed 250 to 135 kbytes/sec (approximately 4
µ
sec per byte
degraded at 10.5 nsec per meter of distance) no
limitation to device speeds when there are no
listeners on remote side of extension
functionality transparent GPIB operation except for pulsed parallel
polls
interlocked maintained across the extension
IEEE-488 handshake (message-grams not used)
IEEE-488 capability SH1 complete Source Handshake
identification AH1 complete Acceptor Handshake
codes T5,TE5 complete Talker
L3,LE3 complete Listener
SR1 complete Service Request
RL1 complete Remote Local
PP1,2 complete Parallel Poll
DC1 complete Device Clear
DT1 complete Device Trigger
C1-5 complete Controller
E1 open collector GPIB drivers
Table 1-3. Operating Characteristics
Characteristic Specification
architecture asynchronous (no clock) parallel design
point-to-point (not multi-drop) transmission
operating modes Talker/Listener/Controller or
Talker/Listener (Talk Only)
Parallel Poll Response Buffered Parallel Poll Response or
modes Unbuffered Parallel Poll Response