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HP Manuals
Network Hardware
30020B
Installation and service manual
HP 30020B Installation And Service Manual
Intelligent network processor
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Section I
General Information
Table of Contents
Introduction
General Description
Equipment Supplied
Features
Interface to System
Section II - INSTALLATION
Unpacking and Initial Inspection
Preparation for Installation
Power Requirements
PCA Jumpers and Switches
Hardware Installation Procedures
Installation of the INP PCA
Installation of the Communication Cables
Software Installation
Installation Verification
Multiple INP Installations
Functional Description
INP Microprocessor
Read-Only Memory (ROM)
Random Access Memory (RAM)
Direct Memory Access (DMA)
SDLC and BISYNC Data Communication
Communication Line Interfaces
Auto Call Unit Interface
Functional-Level Operation
System-Level Operation
Section IV - MAINTENANCE
Safety Precautions
Repair Philosophy
Maintenance Aids
Self Test
ROM Test
Timer Interrupt Test
RAM Test
Basic Instruction Set Test
Chip Tests
BISYNC Test
SDLC Test
Troubleshooting
Customer-User Troubleshooting Procedures
HP Support Troubleshooting Procedures
Off-Board Loopback Testing
Field Repair
Field Replacement of a RAM Chip
Replacement of the PCA Board
Reshipment Instructions
Appendix A - CONFIGURING MPE
Configuration Overview
The Configuration Dialogue
Inp Dump Facility
Appendix B Appendix C - COMMUNICATIONS CABLING DIAGRAMS
Index
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Table of Contents
Troubleshooting
Chip Tests
48
HP Support Troubleshooting Procedures
50
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