National Instruments 3.22E+04 用户手册

data bits, 3-3
DB-25 connector, 2-10

DB-9

DCE vs. DTE, A-7
default restoration, 3-4
determining port associated with COMx, C-6
determining type of serial hardware 

development tools for saving time, 1-4
device manager ports list (figure), C-5
device manager tab for PCI serial board ports 

input values (table), 4-5
setting transceiver mode with, 4-4

address test failed, C-4
diagnostic utility does not show all 

interrupt test failed, C-4
no National Instruments serial port 

diagnostic test failure, C-6
DOS-based addresses (table), C-7

full duplex, A-3
half duplex, A-4

eight-port boards specifications, D-3
environmental characteristics, D-4

FIFO buffers, 3-4
flow control, 3-3
forcing Windows to detect hardware, C-4
four-port boards

connecting cables to (figure), 2-11
isolated four-port boards, D-2
specifications, D-2

four-wire mode, 4-2
freeing an interrupt request level, C-1
full duplex, A-3

general programming requirements, 4-1
getting started, 1-2
glossary, G-1

getting started, 1-2
verification, 2-5