HP 30240A Manuel

3000

Computer

Systems

30240A

OfficeShare

LAN/3000

Link/

Local Area

Network

Interface

Controller

(lANIC)

Installation

and

Service Manual

Flill

HEWLETT

PACKARD

Hewlett-Packard

Company

Roseville Networks Division

8000

Foothills Boulevard

Roseville,

California

Update

1(May

1987)

ManualPartN~

30240-90001

E1185

Printed

November

1985

NOTICE

The

information

contained

this

document

subject

change

without

notice.

HEWLETT-PACKARD

MAKES

WARRANTY OF ANY

KIND

WITH

REGARD

TO THIS

MATERIAL, INCLUDING, BUT NOT LIMITED TO,

THE

IMPLIED WARRANTIES OF

MERCHANTABILITY

AND

FITNESS

FOR

APARTICULAR PURPOSE.

Hewlett-Packard

shall

not

be liable

for

errors contained

herein

for

incidental

consequential damages in connection

with

the

furnishing,

performance

or use

this material.

Hewlett-Packard

assumes

responsibility for

the

use

reliability

its software

equipment

that

not

furnished by Hewlett-Packard.

This

document

contains

proprietary

information

which

is protected by copyright. All rights

are

reserved.

part

this

document

may

be photocopied, reproduced

translated

another

language

without

the

prior

written

consent of

Hewlett-Packard

Company_

HEWLETT-PACKARD

COMPANY

PRINTING HISTORY

The Printing History below identifies the Edition of this Manual and any Updates

that

are included.

Periodically, update packages are distributed which contain replacement pages to be merged into

the

manual, including an updated copy of this Printing History page. Also,

the

update may contain

write-in

instructions.

Each reprinting of this manual will incorporate all past updates; however, no new information will be

added. Thus, the reprinted copy will be identical in content to prior printings of

the

same edition

with

the

user-inserted update information. New editions of this manual will contain new information, as well

as updates.

First Edition

Update 1

November 1985

......

May 1987

iii

LIST OF EFFECTIVE PAGES

The List of Effective Pages gives

the

date of the most recent version of each page in

the

manual. To

verify

that

your manual contains the most

current

information, check

the

dates printed

the

bottom of

each page

with

those listed below. The date on the bottom of each page reflects

the

edition

subsequent

update in which

that

page was printed.

Effective Pages Date

All. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Nov 1985

2- 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . May 1987

A-2/

A-3

May 1987

11/85

CONTENTS

Section 1

GENERAL

INFORMATION

Introduction '

1-1

General

Description. ........................................

Equipment

Supplied

1-3

System

Interface

1-4

Link

Address ...........................................1- 5

Specifications

Section 2

INSTALLATION

Current

Requirements

2-1

Channel Address Switch 2-1

Cables

2-3

Installing

the

LANIC.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-4

Start

Reshipment

2-6

Section 3

PRINCIPLES OF

OPERATION

LAN

Interface

Controller (LANIC)

3-1

Host

LANIC Communication

3-1

LANIC MPU and

Firmware

3-3

Local Communications Controller

Direct Memory Access .....................................3- 3

Firmware

Download

and

Configuration

3-3

Firmware

Download

Setting Station Address

Queue Initialization

3-4

Transmit

Operation

3-4

Types

Packets

Transmitted

3-4

Transmit

Buffer

Management.

3-4

Queuing

Transmit Buffers

3-4

Transmit

Operation Example

3-4

Receive Operation

3-4

Types

Packets Received

3-4

Receive Buffer Management

Queuing

Received Packets

Receiver Blind Spots

Receive Operation Example ;

3-5

CONTENTS (continued) I

Error

Management.

3-5

Self-Test Operation

3-6

System

Interrupt

3-6

SINTRO Self-Test

Interrupt

3-6

SINTR1 LANIC

Interrupt

3-6

Interactive Command Completion

3-7

Interactive Command Acknowledgement.

3-7

Batch Command Completion

3-8

Fatal

Error

Response

LANIC Resets. ..........................................3-8

Power-On

Reset

3-9

Hard

Reset

3-9

Soft Reset ...........................................3-9

Z-80

Reset

3-10

Power-Fail

Warn

3-10

Self-Test

3-10

Manually

Initiated

Self-Test.

3-10

Remotely Initiated Self-Test

3-10

Idle Self

-Test

3-10

Visual Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3- 10

Attachment

Unit

Interface

(AUI)

3-10

MAU Power Control

Circuit.

..............................3

-12

LED's

3-12

DO LED Pair

3-15

CL LED Pair

3-16

CR LED

Pair

3-16

through

Nand

*LED's. ................................3

-16

TX, RX, MN, DL, RO, Q, and IT LED's ........................3

-16

Section 4

MAINTENANCE

Repair Philosophy

4-1

Self

-Test

4-1

Appendix A

CONFIGURATION INFORMATION

Configuration Dialog. ....................................

A-1

vii

11/85

SAFETY

CONSIDERATIONS I

SAFETY

SYMBOLS

Instruction manual symbol:

the

product

will be marked with this symbol when

necessary for

the

user to

ref

the

instruction manual

order to protect

the

product against damage.

GENERAL

.. This product

documentation must

familiarization

with

safety

instructions before operation.

and related

reviewed for

markings and

CAUTION

IThe CAUTION sign

denotes ahazard.

calls

attention

operating

procedure, practice,

the

like, which,

not

correctly

performed

adhered to,

could result

damage to

destruction

part

or all

the

product. Do

not

proceed

beyond aCAUTION sign

until

the

indicated conditions

are

fully understood and met.

CAUTION

TIC

SENSITIVE

DEVICES

.WARNING_

viii

Indicates hazardous voltages.

Indicates

earth

(ground) terminal

(sometimes used in manual to indicate

circuit common connected to grounded

chassis).

The WARNING sign

denotes ahazard.

calls

attention

to aprocedure,

practice, or the like, which,

not

correctly performed

adhered to, could result

injury.

not

proceed

beyond aWARNING sign

until

the

indicated conditions

are

fully understood and met.

When any two materials make contact,

their

surf

aces are crushed on

the

atomic

level and electrons pass back and

forth

between the objects. On separation, one

surface comes away

with

excess electrons

(negatively charged) while

the

other

electron deficient (positively charged). The

level of charge

that

developed depends on

the

type

material. Insulators can easily

build up charges in excess

20,000 volts.

Aperson working

abench or walking

across afloor can build

acharge

many thousands of volts. The

amount

static voltage developed depends on

the

rate

of generation of

the

charge and

the

capacitance of

the

body holding

the

charge.

the

discharge happens to

through a

semiconductor device and the transient

current

pulse

not

effectively diverted by

protection circuitry,

the

resulting

current

flow through

the

device can raise

the

temperature

of internal junctions to

their

melting points.

MOS

structures are also

susceptible to dielectric damage due to high

fields.

The

resulting

damage can range

from

complete destruction to latent degradation.

Small geometry semiconductor devices are

especially susceptible to damage by static

discharge.

The LANIC card

shipped

transparentstatic shielding bag. The card

should be kept

this bag

all times

until

installed

the

system. Save this bag

for storing or transporting

the

card. When

installing

the

card

the

system) do

not

touch any components. Hold

the

card by

its edges.

WARNING

SAFETY

EARTH

GROUND -

The

computer on which this product is installed

is asafety class Iproduct and is provided

with aprotective

earthing

terminal.

interruptible

safety ground must be

provided from

the

main source to

the

product

input

wiring terminals, power

cord,

supplied power cord set.

Whenever

is likely

that

the

protection

has been impaired,

before

the

power

cord

removed from

the

wall receptacle,

the

AUI cable connector

must

be removed

from

the

junction panel and insulated

from

exposed conductive surfaces.

WARNING

infrequent

intervals, exposed metal

surfaces

the

AUI cable may be subject

transient

hazardous voltages due to

strong electrical disturbances (such as

lightning

disturbances in

the

electrical

utilities power grid) in

the

area

surrounding

the

network to which this

product is connected. These surfaces

should be handled with caution when

the

AUI cable is not connected

toa

properly

grounded HP

3000

Computer System.

SERVICING

WARNING

Any servicing, adjustment, maintenance,

repair

assemblies within

the

3000

cabinet

must

be performed only

qualified personnel.

WARNING

This product

not designed

for

attachment

anetwork serving

area

which contains multiple unconnected

power system safety grounds. Before

installing this product, verify

that

all of

the power system safety grounds

are

securely interconnected in

the

area

served

the

local network.

WARNING

not

connect this product

ungrounded network coaxial cable.

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