Table Of Contents - IBM 2420 7 Manufacturer’s Information Brochure

Introduction .
Operator Panel Lights
Operator Panel Pushbuttons
2420 Interf\lce .
Input Signal Lines
Output Signal Lines
Ground and dc Power Lines .
Figure Title
IBM 2420 Model 7 Magnetic Tape Unit
1 Functions/Specifications/ and Requirements
2 Interface Lines: Specifications
3
Tape Unit Select Lines .
4 Tape Unit Not Ready Lines
5 Power Cable and Signal Cable Data
6 Power Cable and Signal Cable Connector and
Contact Data
7 AC Power Cables and Connectors: Schematic and
Pin Assignments
8
Signal Connectors: Schematic and Pin
Assignments
1
2
3
3
3
6
8
Page
v
1
4
5
7
9
10
11
12
Cables .
Connectors
Drivers and Terminators.
Tape Unit Tester
Tester Switches and Controls
Tester Signal Hubs
Figure
Title
Contents
8
8
8
16
16
18
I I lust ratio ns
Page
9 Tape Unit/Tape Control Signal Cable Connector
Pin Assignments
13
10 Write Bus Terminator 14
11 Write Bus Receiver . 14
12 Control Line Terminator 14
13
Control Line Driver .
15
14 Control Line Receiver 15
15 Read Bus Driver and Terminator
15
16 Metering-Out Line Terminator 15
17
Field Tester (Part 5420330)
17
18 Field Tester Control Settings 18
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