Control Data Corporation DU 191-A Manuals

Manuals and User Guides for Control Data Corporation DU 191-A. We have 1 Control Data Corporation DU 191-A manual available for free PDF download: Hardware Maintenance Manual

Control Data Corporation DU 191-A Hardware Maintenance Manual (130 pages)

ASYNCHRONOUS COMMUNICATIONS LINE ADAPTER

Brand: Control Data Corporation | Category: Adapter | Size: 5 MB

Revision Record
2
Equipment Type
3
List of Effective Pages
5
Table of Contents
9
General Description
11
Introduction
11
Physical Description
11
ACLA Characteristics
11
System Application
11
Features
11
Half- and Full-Duplex Operation
11
Code Lengths
13
Character Parity Generation/Detection
13
Automatic Answering
13
ACLA Card Placement
13
Physical Characteristics
16
Nonoperating Environmental
16
Operating Environmental Requirements
16
Signaling Rate Selection
16
Restraint Signal Detection
16
Data Transfer Overrun
16
Loopback Test
17
Modem Interface
17
Functional Description
17
Operational Concept
17
Functional Sections
17
Input Section
17
Data Input
17
Input Error Conditions
19
Output Section
19
Data Output
19
Echoplex Mode
20
Break Generation
20
Loop Error Detection
20
CLA Addressing
20
Master Clear
20
Modem Interface Section
20
Speed Generators
20
Operation
21
Controls and Indicators
21
Operating Procedures
21
Programming Considerations
21
Address Switches
22
Controls and Indicators
22
ACLA Card Handle
22
Multiplexing Subsystem Overview
22
Line Frame Formats
22
Loop Cell Structure
22
Cell and Word Formats
23
Addressing Cell
23
Data Cell
23
Supervision Cell
23
Status Words
24
Command Words
24
Cell Frame Formats
24
Addressing Code Format
24
Data Cell Format
24
Status Word 1 Format
25
Status Word 2 Format
25
Command Word 1 Format
26
Command Word 2 Format
26
Common Baud Rates and Command Codes
28
Command Word 3 Format
28
Programming Notes
29
ACLA Initialization
29
Communications Line Connection
29
Input Operation
29
Character Length and Parity Status Code
29
Command Word 4 Format
29
Output Operation
30
Loopback Test Operation
30
Break/Open-Line Detection
30
Restraint Detector
30
Installation and Checkout
31
Uncrating
31
Installation
31
Circuit Card Types
31
Cable Types
31
Circuit Card Locations
31
Card Location Priorities
31
Typical ACLA Cable Connectors
32
Card Installation
33
Component Location, Stand
34
Priorities of Loop Multiplexer
35
Cable Installation
36
Initial Checkout
36
Crating and Shipping
37
Theory of Operation
39
Introduction
39
Output Section
39
Bus Buffers
39
Select Output
39
Format Decode
39
Command Counter
39
Command Registers
40
Universal Asynchronous Receiver/Transmitter
40
Timing Diagram
41
UART Transmitter Block Diagram
41
UART Transmitter Timing Diagram
42
UART Receiver Block Diagram
43
Input Section
43
Input Control (IC2-IC1) States Diagram
45
Input Control (ODD, DATA, SUPV) Timing Diagram
46
Input Control (SUPV Only) Timing Diagram
47
Input Control (DATA Only) Timing Diagram
48
Input Control (ODD Only) Timing Diagram
49
Input Multiplexer
50
Strapping Points
51
Modem Interface Timing Diagram
52
Speed Generator Timing Diagram
53
Troubleshooting
67
Maintenance
67
Pin Connections
67
Interface Signals
67
Loop Multiplexer-To-ACLA
68
Modem-To-ACLA Interface Signals and Pin Connections
69
Led Indicators
70
Preventive Maintenance
70
Parts Data
71
Assembly Parts List
73
Feet Meters
82
Wire Lists
115
DU189-A/B, DU190-A/B, and DU191-A/B Cable Sets
129

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Control Data Corporation DU 191-A Manuals

Control Data Corporation DU 191-A Hardware Maintenance Manual (130 pages)

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