IBM 5150 Hardware Reference Manual

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Parallel Printer Adapter
Interface Connector Specifications
REAR PANEL
25 PIN "0"
SHELL CONNECTOR
~ 0
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14·
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NOTE: All outputs are software !lenerated,
and all inputs are real time si!lnals
(not latched).
AT STANDARD TTL LEVELS
Signal AMP
Name
Pin No
- Strobe 1
...
..
..... + Data Bit 0 2
....
..... + Data Bit 1 3
,
-
+ Data Bit 2 4
...
+ Data Bit 3
5
-
r-.
I ...
+ Data Bit 4
6
I
"'"
...
+ Data Bit 5
7
.....-
I ....
+ Data Bit 6
8
...-
I ...
+ Data Bit 7
9
Printer
.....-
Parallel Printe
- Acknowledae 10
Adapter
-
....
+ Busy 11
I .....
+ P. End (out of Paper) 12
+ Select
13
- Auto Feed
14
...
-
- Error
15
...
....
- Initialize Printer
16 ..
...
- Select Input 17
...
..
Ground
18·25
...
..
2-69

IBM 5150 Specifications

General

Brand	IBM
Model	5150
Category	Desktop
Language	English