WAGO-I/O-SYSTEM 750
Glossary
71
750-921
Bluetooth
®
Adapter
Manual
Version 2.0.1, applicable from FW Version 02
RX
and
RxD
(
R
eceive
D
ata)
Data line for inbound data at an RS-232 interface.
S
SN
S
erial
N
umber
SPP
(
S
erial
P
ort
P
rofile)
Bluetooth
®
profile for emulation of a serial port.
SSP
(
S
ecure
S
imple
P
airing)
Based on
Bluetooth
®
standard 2.1 or higher, “Secure Simple Paring” (SSP) is used
for secure authentication.
Stop bit
One start bit and up to two stop bits are used in asynchronous, serial data
transmission to enable the receiving unit to conduct synchronization to each
character that is transmitted.
T
Terminal
User device for entering and displaying data.
Terminal Program
A terminal program (also referred to as
terminal emulation
) is a computer
program that emulates the function of a terminal. These are used for programs
without any graphical input/output. The user interface is usually text-based.
TX
and
TxD
(
T
ransmit
D
ata)
Data line for outbound data at an RS-232 interface.
W
WLAN
(
W
ireless
L
ocal
A
rea
N
etwork)
Local wireless network, usually referring to a standard of the IEEE-802.11 family.
A synonym for this is
Wi-Fi
.
WSA
(
W
ireless
S
erial
A
dapter)
Used here to denote the
Bluetooth
®
Adapter 750-921.