Anritsu Series MS278XB User Manual
Page 96

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