Measurement-computing Serial488/4 Manuel d'utilisateur télécharger pdf (Page 25)

Section 2 Getting Started

2.13

Figure 2-8. View of Alternate Port 1 Configurations

RS-232, RS-422 Unterminated, & RS-422 Terminated

RS422 RS232

JP104

JP105

RS422 RS232

JP104

JP105

RS422 RS232

JP104

JP105

2.5.2 Asynchronous Communications Setup

Associated with each serial port are a number of parameters which

control the the transfer of serial data. These parameters, and the commands

used to set them, are listed in Table 2-4.

Table 2-4. Serial Port Configuration Parameters

Stop Bits

Number of stop bits; 1 or 2.

Baud Rate

Baud rate; 110 - 19200, or external.

Parity

Parity; even, odd, or none.

Data Bits

Number of data bits; 7 or 8.

Handshake Type

Handshake type; RTS/CTS, XON/XOFF, or none

Handshake Control

Handshake control; automatic, hold-off, or accept.

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Measurement-computing Serial488/4 Manuel d'utilisateur Page 25