Measurement-computing 488/p rev.1.0 Bedienungsanleitung PDF herunterladen (Seite 3)

The Serial488/p is shipped with a standard, straight-through serial cable, CA-35. If

this cable does not meet your needs, match our cable to the cable wiring and

pinout diagrams shown in Figures 2 and 3.

IBM PC/XT/PS2 to Serial488/p IBM AT to Serial488/p

D&25 Female DB-25 Male DB-9 Female DB-25 Male

TXD 2 2 RXD DCD 1 8 DCD

RXD 3 3 TXD RXD 2 3 TXD

RTS 4 4 CTS TXD 3 2 RXD

CTS 5 5 RTS DTR 4 20 DTR

DSR 6 6 DSR GND 5

7 GND

GND 7 7 GND DSR 6 6 DSR

DOD 8 8 DOD RTS 7 4 CTS

DTR 20 20 DTR CTS 8 5 RTS

Figure 2: IBM PC/XT/PS2 to Figure 3: IBM AT to Serial488/p

Serial488/p Wiring (CA-35) Wiring (CA-35 with adapter)

Now set the printer address to 5 or LISTEN ALWAYS. The Serial488/p issues a

LISTEN command to the device at address 5 before each character is sent.

Printers in LISTEN ALWAYS mode will ignore these LISTEN commands.

Initialization

If your computer is a PC, at the DOS prompt type the following command line to

initialize your PC's serial port for operation:

MODE COMn:9600,N,8,1

where

is the number of the

COM

port

being used. A return display of this

command prompt indicates successful initialization. The Serial488/p is now

ready for operation.

Verification

Once the PC has been initialized, issue one of the following commands to ensure

that your system has been properly configured and connected.

If you have an IEEE 488 printer, at the DOS prompt type the following command:

ECHO HELLO WORLD > COMn

where n is the number of the COM port being used. The

message HELLO WORLD should appear at the printer.

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Measurement-computing 488/p rev.1.0 Bedienungsanleitung Seite 3