Measurement-computing Extender488 Manual de usuario Pagina 14

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Section 2 Getting Started
2.
4
Extender488 Data Format Selection
DOT
Switch
Side
View
OPEN
1234
0
1
8 data Bits
OPEN
1234
7 data Bits
Note: Factory default is 8 data bits.
2.2.3 Extender488 Serial Port Cabling
The
Extender488
is shipped from the factory for RS-422 transmission medium, which
prescribes differential receivers for high noise immunity. T o insure signal integrity, only use
shielded cable for the serial port connections. If you are not using a cable provided by the factory,
below is the appropriate connections for proper operation.
Signal Pin # SignalPin #
1
2
5
6
7
Receive Data -
Receive Data +
Ground (shield)
Transmit Data -
Transmit Data +
1
2
6
7
5
Transmit Data +
Transmit Data -
Ground (shield)
Receive Data +
Receive Data -
Local Extender Remote Extender
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