Handic VIC-Switch User Manual

VIC-SWITCH

USER'S

MANUAL

GENERAL

INFORMATION

VIC-SWITCH

enables

eight

VIC20or

CBM

64-computers

to

communi

cate

with

the

same

pripheral

devices.

If

more

than

one

user

wants

to

communicate

at

the

same

time,

the

VIC-SWITCH

will

put

themina

queue.

The

waiting

users

will

get

accesstothe

peripheral

devicesina

consecutive

order,

i.e.

number2is

served

before

#7.

Butif#6iscom

municating

at

the

time#2and#7asks

foraperipheral

device,

VIC-

SWITCH

will

open

the

channel

for

the

user

connected

to

number7as

soonas#6

has

finished.

In

this

waynopriority

is

giventocertain

users.

VIC-SWITCH

should

onlybeconnectedtoCOMMODORE

products

designed

for

serial

IEEE

communication

e.g.

FLOPPY

DISC

VIC-1540,

GRAPHIC

PRINTER

VIC-1515.

CONNECTING

AND

PREPARING

VIC-SWITCH

On

the

front

panel,

showninFigure1,there

are

nine

LED's.

The

left

most

LEDislit

when

the

powerison.

The

other

eight

indicate

which

computer

communicates

withaperipheral.

The

back

panel,

Figure2,of

the

VIC-SWITCH

consistsofnine

DIN

sockets

andaconnector

for

the

power

cable.

The

leftmost

DIN

socket

shouldbeconnected

to

the

peripheral

devices.

The

other

eight

are

input

sockets

for

VIC

2Q/CBM

64-computers.

However,

all

eight

inputs

does

not

havetobe

used-any

configuration

of

uptoeight

will

work.

OUT

o

1

o|

2

o

3

O

4

5

ol

lo

6

o

•

7

o

8

o|

pwr

Q

H

The

cables

for

VIC-SWITCH

will

come

in

the

lengths:

3,6

and

12

meters

i.e.

9,12

and

18

feet.

Longer

cables

are

not

recommended.

When

the

computers

and

the

power

cable

are

connected,

all

the

LED's

on

the

front

panel

shouldbeoff,

except

the

LED

indicating

that

the

VIC-SWITCHison.

IfaLED

is

lit

when

the

system

is

set

up,

VIC-SWITCH

signals

that

a

peripheral

deviceisnot

switched

on.

If

it

happens

thataLED

still

is

lit,

the

user

of

the

corresponding

input

number

should

press

the

RUN/STOP-key

and

the

RESTORE-key

at

the

same

time

until

the

light

goes

off.

When

VIC-SWITCH

is

started,

it

is

essential

that

all

LED's

showing

communication

are

off.Werecommend

that

the

VIC-SWITCH

is

pow

eredonlast.

Ifauser

ofacomputer

wants

to

turn

it

off,

it

is

recommended

that

the

communication

cableisdisconnected

before

the

computer

is

switched

off,

this

will

prevent

disturbancies

for

other

users.

COPYRIGHT

by

Sweden

Box

42054,

S-12612

Stockholm