How cascade connections operate – Adder Technology AdderView CATx EPS-S8 User Manual

Page 18

Advertising
background image





























How cascade connections operate

The.method.for.cascading.AdderView.CATx.units.is.straightforward.
and.requires.no.hardware.settings.or.lengthy.configuration.process..
This.is.due.to.the.

Adder Port Direct

.communication.system.that.

allows.them.to.locate.each.other.and.share.information.
The.method.of.linking.AdderView.CATx.units.is.the.same.
regardless.of.the.cascade.level,.or.number.of.devices.attached..Put.
simply:.

• A single cascade link is made by connecting a

computer

connections

socket of one unit to a

cAtx user ports

socket of the unit below it.

Such.a.single.link.would.allow.just.one.user.from.the.higher.
AdderView.CATx.unit.to.access.any.of.the.computer.systems.
attached.to.the.lower.one..However,.a.single.link.can.cause.
a.bottleneck.for.multi-user.systems.so.you.are.strongly.
recommended.to.use.a.minimum.of.two.or.three.links..Ideally.quad.
links.should.be.used.wherever.possible.as.these.allow.four.users.to.
simultaneously.access.computer.systems.situated.anywhere.within.
the.cascade.tree..
When.cascade.links.are.made.between.units,.each.AdderView.
CATx.will.automatically.recognise.the.links.and.treat.them.
accordingly..The.connections.within.dual,.triple.or.quad.cascade.
links.will.then.be.allocated.to.users.according.to.their.general.
availability.in.that.group,.not.as.specific.individual.lines..The.
diagram.here.summarises.the.groups.into.which.the.ports.are.
arranged.

When.connecting.links,.ensure.that.you.use.the.lowest.numbered.
ports.in.each.group..For.example,.to.create.a.triple.cascade.link.in.
group.A,.use.ports.1,.2.and.3;.for.a.double.cascade.link.in.group.
B,.use.ports.5.and.6,.etc..Unused.ports.in.a.group.can.be.utilised.
to.connect.directly.to.normal.computers..The.Adder.Port.Direct.
system.will.automatically.distinguish.between.the.different.types.of.
connections.
The.central.purpose.of.the.link.group.system.is.that.each.user.can.
use.a.unique.address.to.locate.a.particular.computer..However,.as.
with.the.Internet,.the.route.to.get.there.could.be.slightly.different.
each.time..This.avoids.any.route.blocking.that.could.easily.be.
caused.by.other.users.occupying.any.specific.link.lines.
Note: Single, dual, triple and quad link groups may be mixed
on one unit providing the differing link groups lie within the
appropriate group boundaries shown opposite - see

Tips for

successful cascading

for more details.

20

12

4

19

11

3

18

10

2

17

9

1

24

16

8

23

15

7

22

14

6

21

13

5

COM2 / MODEM

KM

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

GROUP A

GROUP C

GROUP E

GROUP F

GROUP D

GROUP B

Port groups for cascade links
(sixteen port models use groups A to D only)

See also

•.

Addressing computers in a cascade

•.

Connecting AdderView CATx units in cascade

•.

Testing specific links to cascaded computers

Advertising