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Anritsu Series MS278XB User Manual

Page 96

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Rear Panel and Connector Diagrams

Instrument Overview

3-44

MS278XB OM

Table 3-11. Index 7: 25-pin Parallel Printer Connector Pinout Diagram

Pin

Name

Description

1

Strobe

Strobe signal drops TTL low when data is being sent to printer

2

Data0

Data signal to printer

3

Data1

Data signal to printer

4

Data2

Data signal to printer

5

Data3

Data signal to printer

6

Data4

Data signal to printer

7

Data5

Data signal to printer

8

Data6

Data signal to printer

9

Data7

Data signal to printer

10

Acknowledge

Acknowledge signal drops TTL low when data is received by printer

11

Busy

TTL high when printer is busy

12

Paper End

TTL high when printer is out of paper

13

Select

TTL high signals that the printer is online

14

Auto Feed

TTL high signals an auto feed

15

Error

TTL low signals a printer error

16

Init

TTL low initializes the printer

17

Select In

TTL high sets printer offline

18 to 25

Ground

Electrical reference ground

Table 3-12. Indexes 4,5, 11 to 18, and 21 to 24: BNC Connector Pinout Diagram

Pin

Name

Description

1

Center Pin

Carries data or signal

2

Shield

Ground return or shield