ADDER AdderView CATxIP 000 Manual do Utilizador descarregar pdf (Página 5)

Cascading multiple units

The AdderView CATx 1000 units support up to sixteen directly connected

computer systems, however, this is by no means the limit. Instead of

connecting computers to every output port, you can instead link other

AdderView CATx 1000 units. Thus each output of the original AdderView

CATx 1000 unit can link through to many more computers connected to the

secondary units. Maximum number of computer supported is 512.

The combination of AdderView CATx 1000 units can be arranged two levels

deep forming a tree, or cascade arrangement, with computer systems

situated at either level within that cascade tree.

Connecting units in cascade

The method for cascading AdderView CATx 1000 units is straightforward and

requires no hardware settings or lengthy conguration process.

The method of linking AdderView CATx 1000 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 the REMOTE USER PORT socket of the unit below it.

Please consider the following when making cascade connections between

AdderView CATx 1000 units.

Tips for successful cascading

• The maximum number of levels for a cascade is two.

• For each cascade link, use a standard category 5, 5e or 6 twisted-pair

cable, terminated at each end with an RJ45 connector. There must be

no crossover connections within the cable. The cascade link cables can

be up to 50m (160 feet) in length. However, remember that the overall

length between the remote user (via an X100 or X200 extender) and

any computer (via a CAM) must not exceed 300m (980 feet) - that gure

includes the cascade link cables. Also ensure that the total length from

the top AdderView CATx 1000 to any CAM does not exceed 10m.

• The procedure given opposite may be carried out in any order but for

clarity the instruction will begin at the higher level AdderView CATx

1000 unit (here called the upper unit), i.e. the one that is being fed

into by a unit at the cascade level below (here called the lower unit).

The procedure remains the same regardless of exactly which cascade

levels are being connected. The basic rule is that each link is made by

connecting a COMPUTER CONNECTIONS port of the upper switch to a CATx

USER PORTS of the lower switch.

To connect units in cascade

1 Ensure that power is disconnected from the AdderView CATx 1000 and all

other units to be connected.

2 Connect one end of the cascade link cable to an appropriate

COMPUTER

CONNECTIONS port on the rear panel of the upper unit.

3 Connect the other end of the cascade link cable to the remote user RJ45 socket

on the front panel of the lower unit.

4 Repeat steps 2 and 3 for the cascade links between each AdderView CATx 1000

unit.

Once the AdderView CATx 1000 units and computers have been connected, you

can edit their names to make it much easier to locate them. See the To create/edit

computer names section in the Conguration chapter for more details.

Addressing computers in a cascade

Computer systems connected within a cascade arrangement are addressed using

up to four digits, two for each cascade level. The pairs of digits specify which of the

COMPUTER CONNECTIONS ports on each of the AdderView CATx 1000 units must be

enabled to reach a specic computer. In the diagram given here, a portion of the

previous cascade diagram indicates how the routes to two particular computers

are formed and addressed.

Each cascade level requires two digits, hence the computer marked in red requires

a longer address (1203) as it is situated at cascade level 2, compared to the blue

computer at the top level with its two digit port number.

The rst time that you make a connection between two AdderView CATx 1000

units, the master unit will detect this and ask (via the on screen menu) if you want

to automatically add computers. If you choose ‘Yes’ then the ports on the cascade

will be automatically added to the on screen menu.

Using cascaded computers

In use, cascaded computers can be accessed using exactly the same methods as for

those connected directly to the AdderView CATx 1000. However, by far the easiest

way is to use the on screen menu. This is because it displays the computer names

and does not require any knowledge of port addresses. See the Selecting cascaded

computers section in the Operation chapter for more details.

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