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Table 2-4. input/output pin assignments, Input/output pin assignments -7, E 2-4 – KEPCO MST 488 Programmer User Manual

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MST 488-27 013004

2-7/(2-8 Blank)

TABLE 2-4. INPUT/OUTPUT PIN ASSIGNMENTS

CONNECTOR

PIN

SIGNAL NAME

FUNCTION

RS232-C

PORT

1

SGND

Signal Ground

2

RXD

Receive Data

3

TXD

Transmit Data

4

DTR

(not used)

5

SGND

Signal Ground

6

DSR

See Note 2.

7

RTS

See Notes 1 and 2.

8

CTS

See Note 1.

9

SGND

Signal Ground

NOTE 1

Jumper installed between CTS and RTS allows DIP switches to configure RS 232
port. Jumper NOT installed established default RS 232 configuration (9600 baud,
Echo on, XON off).

NOTE 2

Jumper installed beteen DSR and RTS allows secondary GPIB addressing if SCPII
mode 0 (see Table 2-2) is selected

IEEE 488

PORT

1

D

I

01

I/O Line

2

D

I

02

I/O Line

3

D

I

03

I/O Line

4

D

I

04

I/O Line

5

EOI

End or Identify

6

DAV

Data Valid

7

NRFD

Not Ready for Data

8

NDAC

Not Data Accepted

9

IFC

Interface Clear

10

SRQ

Service Request

11

ATN

Attention

12

SHIELD

Shield

13

D

I

05

I/O Line

14

D

I

06

I/O Line

15

D

I

07

I/O Line

16

D

I

08

I/O Line

17

REN

Remote Enable

18

GND

Ground (signal common)

19

GND

Ground (signal common)

20

GND

Ground (signal common)

21

GND

Ground (signal common)

22

GND

Ground (signal common)

23

GND

Ground (signal common)

24

LOGIC GND

Logic Ground