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98691A
HP 98691A Manuals
Manuals and User Guides for HP 98691A. We have
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HP 98691A manual available for free PDF download: Installation Manual
HP 98691A Installation Manual (44 pages)
Datacomm Interface for HP Series 200 Computers
Brand:
HP
| Category:
Recording Equipment
| Size: 1.98 MB
Table of Contents
Table of Contents
5
Chapter 1: General Information
7
Introduction
7
Unpacking and Inspection
8
Handling
8
Technical Spcifications
9
Product Description
9
Cable Options
11
Specialized Adapters
12
Chapter 2: Interface Configuration
13
Configuration Switches
13
Interrupt Level and Select Code
14
Remote Switch
14
Interrupt Level
14
Interface Select Code
14
Protocol Configuration
16
Async/Data Link Protocol Selection
16
Async Protocol Default Configuration
16
Data Link Protocol Default Configuration
17
Interface Installation
18
Chapter 3: Interface Cables
19
RS-232C Connections
19
Optional Drivers and Receivers
19
Option 001 DTE (Male) Cable
20
Option 002 DCE (Female) Cable
21
Connecting Two Desktop Computers
22
Using DCE Cables to Connect to DTE Devices
23
RS-449 Connections
23
Option 003 RS-423 Unbalanced OTE Cable
23
Test Connectors
25
RS-232C DTE Cable Test Connector
25
RS-232C DCE Cable Test Connector
25
RS-449 Cable Test Connector
26
Building Custom Cables
27
Safety Considerations
27
Using Interface Power Connections
27
Balanced Versus Unbalanced Connections
27
Comparison of Datacomm Standards
29
Chapter 4: Service Information
31
Theory of Operation
31
Z-80A System Operation
32
Select Code Recognition
32
Interrupt System
33
Interface Reset
33
Shared Memory Controller
34
Addressing
34
Read/Write Control
34
Clock Circuits
34
Memory Access Select Timing
35
Memory Cycle Timing
35
Hardware Registers
37
Shared RAM
38
Default Switches
39
Baud Rate Multiplexer
39
Line Drivers and Receivers
39
Replacement Parts
40
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