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HP 3000 Computer Systems
HP 30240A
ThinLAN 3000/V Link
Local Area Network Interface Controller
(LANle)
Installation and Service Manual
Fli;' HEWLETT
a:'~ PACKARD
HEWLETT-PACKARD COMPANY Manual Part Number 30240-90002
Roseville Networks Division E0188
8000 Foothills Boulevard Printed in U.S.A.
Roseville, California 95678 January 1988
Notice
The information contained in this document is subject to change without notice.
HEWLETT-PACKARD COMPANY MAKES NO WARRANTY OF ANY KIND WITH REGARD TO
THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be
liable for errors contained herein or for incidental or consequential damages in connection with the fur-
nishing, performance or use of this material.
Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not
furnished by Hewlett-Packard.
This document contains proprietary information. which is protected by copyright. All rights are reserved.
No part of this document may be photocopied. reproduced or translated to another language without the
prior written consent of Hewlett-Packard Company.
Copyright@ 1988 by HEWLETI-PACKARD COMPANY
2
Reader Comment Sheet
Information Networks Group
ThinLAN 3000/V Link LANIC
30242-90002 January 1988
We welcome your evaluation of this manual. Your comments and suggestions help us to improve our
publications. Please explain your answers under Comments. below. and use additional pages if necessary.
Is this manual technically accurate? Yes No
Are the concepts and wording easy to understand? Yes No
Is the format of this manual convenient in size. arrangement. and readability? Yes No
Comments:
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HEWLETr-PACKARD COMPANY
Roseville Networks Division
8000 Foothills Boulevard
Roseville, California 95678-6598
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Printing History
New editions are complete revisions of the manual. Update packages, which are issued between editions,
contain additional and replacement pages to be merged into the manual by the customer. The dates on the
title page change only when a new edition or a new update is published. No information is incorporated
into a reprinting unless it appears as a prior update; the edition does not change when an update is
incorporated.
A software code may be printed before the date; this indicates the version level of the software product at
the time the manual or update was issued. Many product updates and fixes do not require manual changes
and, conversely, manual corrections may be done without accompanying product changes. Therefore, do
not expect a one-to-one correspondence between product updates and manual updates.
First Edition January 1988
3
Safety Considerations
GENERAL - This product and related documenta- damage to or destruction of part or all
tion must be reviewed for familiarization with of the product. Do not proceed beyond
safety markings and instructions before operation. a CAUTION sign until the indicated
conditions are fully understood and met.
SAFETY SYMBOLS
Instruction manual symbol: the product
will be marked with this symbol when it I CAUTION I
is necessary for the user to refer to the
instruction manual in order to protect
the product against damage. STATIC SENSITIVE DEVICES
When any two materials make contact,
"" Indicates hazardous voltages. their surfaces are crushed on the atomic
level and electrons pass back and forth
between the objects. On separation. one
surface comes away with excess
..1- Indicates earth (ground) terminal (some- electrons (negatively charged) while the
_ times used in manual to indicate circuit other is electron deficient (positively
- common connected to ground chassis). charged). The level of charge that is
developed depends on the type of
material. Insulators can easily build up
WARNING charges in excess of 20.000 volts. A per-
son working at a bench or walking
The WARNING sign denotes a hazard. across a floor can build up a charge of
It calls attention to a procedure or prac- many thousands of volts. The amount
tice that, if not correctly performed or of static voltage developed depends on
adhered to, could result in personal in- the rate of generation of the charge and
jury. Do not proceed beyond a the capacitance of the body holding the
WARNING sign until the indicated charge. If the discharge ha ppens to go
conditions are fully understood and met. through a semiconductor device and the
transient current pulse is not effectively
diverted by protection circuitry, the
I CAUTION I resulting current flow through the
device can raise the temperature of in-
The CAUTION sign denotes a hazard. ternal junctions to their melting points.
It calls attention to an operating proce- MOS structures are also susceptible to
dure or practice that. if not correctly dielectric damage due to high fields.
performed or adhered to, could result in
5
Safety Considerations (continued)
The resulting damage can range lrom (such as lightning or disturbances in the
complete destruction to latent degrada- electrical utilities power grid) In the area
tion. Small geometry semiconductor surrounding the network to which this
devices are especially susceptible to product is connected. These surfaces
damage by static discharge. should be handled with caution,
especially when the interface cables are
The LANIC card is shipped in a not connected to a properly grounded
transparent static shielding bag. The computer system.
card should be kept in this bag at all
times until it is installed in the system. SERVICING .
Save this bag for storing or transporting
the card. When installing the card in
the system, do not touch any com- WARNING
ponents. Hold the card by its edges.
Any servicing, adjustment, maintenance,
WARNING or repair of assemblies or subassemblies
of the computer system must be per-
formed only by qualified personnel.
SAFETY EARTH GROUND - The
computer in which this product is instal-
led is a safety class I product and Is WARNING
provided with a protective earthing ter-
minal. An uninterruptible safety ground
must be provided from the main source This product is not designed for attach-
to the product input wiring terminals, ment to a network serving an area which
power cord, or supplied power cord set. contains multiple unconnected power sys-
Whenever it is likely that the protection tem safety grounds. Before installing
has been impaired, or. before the power this product, verify that all of the power
cord is removed from the wall receptacle, system safety grounds are securely inter-
the interface cable connector must be connected in the area served by the local
removed from the computer system and network. Special caution should be
insulated from exposed conductive taken for cable systems run between
surfaces. buildings or exposed to weather
environments.
WARNING
WARNING
At infrequent intervals, exposed metal
surfaces of the interface cables may be Do not connect this .product to an un-
subject to transient hazardous voltages grounded "thick" network coaxial cable
due to strong electrical disturbances as defined by this manual.
6
Preface
This manual provides installation and servicing information for the HP 30240A
ThinLAN 3000/V Link Local Area Network Interface Controller (LANIC) card.
This manual is organized as follows:
Chapter 1 General Information
Chapter 2 Installation
Chapter 3 Principles of Operation
Chapter 4 Maintenance
Appendix A Configuration Information
Related documents include the following manuals:
LAN Cable and Accessories Installation Manual, part number 5959-7680
LA N 3000 Diagnostic and Trouhleshooting Guide, part number 30242-90003
H P 3000 System Operation and Resource M anagemenr Reference Manual, part
number 32033-90005
7
Contents
Chapte r 1
General Information Page
I-I
Introdu ction
General Description I-I
Equipment Supplied 1-1
System Interfa ce 1-3
Link Address 1-4
Specifications 1-5
Standa rd Specifications 1-6
Option 242 Specifications 1-6
LANIC Specifications 1-8
1-10
Chapte r 2
Installation Page
2-1
Introdu ction
Curren t Requirements 2-1
Channel Address Switch 2-1
Cables 2-2
Standa rd Cables 2-3
Option 242 Cable 2-3
Installing the LANIC 2-4
Start Up and Verification 2-5
Reshipment 2-8
2-9
Chapte r 3
Principles of Operation Page
3-1
Introdu ction
Functional Description 3-1
LAN Interfa ce Contro ller (LANIC) 3-1
Host to LANIC Comm unicati on 3-1
LANIC MPU and Firmw are 3-2
Local Communications Controller 3-3
Direct Memory Access 3-3
"
Firmw are Downl oad and Configuration 3-3
Firmw are Downl oad
i
3-4
Setting Station Address 3-4
Queue Initialization 3-4
Transmit Operation 3-4
3-5
9
Contents (continued)
Types of Packets Transmitted 3-5
Transmit Buffer Management 3-5
Queuing of Transmit Buffers 3-5
Transmit Operation Example 3-5
Receive Operation 3-6
Types of Packets Received 3-6
Receive Buffer Managaement 3-6
Queuing of Received Packets 3-6
Receiver Blind Spots 3-6
Receive Operation Example 3-7
Error Management 3-8
Selftest Operation 3-8
System Interrupt 3-8
SINTRO Selftest Interrupt - 3-9
SINTRl LANIC Interrupt 3-9
Interactive Command Completion 3-9
Interactive Command Acknowledgment 3-10
Batch Command Completion - 3-10
Fatal Error Response 3-10
LANIC Resets 3-11
Power-On Reset 3-11
'Hard Reset. 3-11
Soft Reset 3-12
Z-80 Reset 3-12
Power-Fail Warn 3-12
Self Test 3-13
Manually Initiated Self Test 3-13
Remotely Initiated Self Test 3-13
Idle Self Test 3-13
Visual Indicators 3-13
Attachment Unit Interface (AUI) Circuitry 3-14
MAU Power Control Circuit 3-15
LEOs 3-15
DO LED Pair 3-19
CL LED Pair _ 3-19
CR LED Pair 3-19
H Through Nand * LEOs 3-20
TX, RX, MN. OL, RO. Q. and IT LEOs 3-20
Medium Attachment Unit 3-22
Receiver 3-22
Transmitter 3-22
Jabber Fault Detection 3-22
Collision Detection 3-23
10
Contents (continued)
Chapte r 4
Mainte nance Page
4-1
Introdu ction
Repair Philosophy 4-1
Self Test 4-1
4-2
Appendix A
Configuration Information Page
A-I
Introdu ction
Config uration Dialog A-I
A-I
Index
Page
Index- l
11
Figures and Tables
Figure Page
Figure 1-1. Typical Local Network (LAN) 1-2
Figure 1-2. HP 3000 Series 39-58 System Architecture 1-4
Figure 1-3. HP 3000 Series 68 and 70 System Architectre 1-5
Figure 2-1. LANIC Switch and LED Locations 2-2
Figure 2-2. LANIC Cable Diagram 2-3
Figure 2-3. ThinMAU AUI Cable Diagram 2-3
Figure 2-4. ThickMAU AUI Cable Diagram 2-4
Figure 3-1. LANIC Functional Block Diagram 3-2
Figure 3-2. AUI Interface Diagram 3-14
Figure 3-3. LANIC LEOs 3-16
Figure 3-4. MAU Functional Block Diagram 3-23
Figure 4-1. LANIC Switch and LED Locations .4-4
Table Page
Table 1-1. ThinLAN Specifications 1-6
Table 1-2. ThickLAN Specifications 1-8
Table 1-3. LANIC Specifications .1-10
Table 3-1. LANIC Resets