ADDER AdderLink X-Series Manuale - Pagina 12

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Operation

General use

In use, the USB Extender modules should be transparent - the system and its

peripherals should operate exactly as normal, the only difference being that they

are now up to 100 metres apart.

In some installations, you may see some 'shadows' to the right of high contrast

screen characters. This can be caused by signal loss over long distances (or low

quality link cables) or by incorrect video signal compensation settings - see the

Signal loss compensation

section for details.

Power surge fuses

Both modules contain internal automatic cut-out fuses to protect against power

surges.

If a module stops responding

• Check whether the module's ON indicator is lit. If the ON indicator is lit, then

the problem is unlikely to be power related, check all the connections.

• If the module ON indicator is not lit, check the indicator on its power supply,

or for the LOCAL module, check that the PC is operating and the USB link is

still connected.

• If the power supply indicator is lit, or the PC is operating (with the USB link

intact), then the anti-surge surge fuse may have been tripped. Reset the

anti-surge fuse, as detailed next.

To reset an anti-surge fuse

Remove the power connection (or, for an unpowered LOCAL module, the USB

connection) from the module for one second and then reconnect.

Power and activity indicators

The front panels of both modules feature recessed indicators to provide

confirmation of power and activity.

LOCAL module

REMOTE module

Lit whenever power (from the PC USB

port or optional power supply) is present.

HOST

Lit whenever a USB host (PC) is connected

and at least one device is attached at the

REMOTE module. This indicator will flicker

when an active PC host is connected,

but will darken if there is no remote USB

device.

LINK

Lit when a physical link exists between the

LOCAL and REMOTE modules.

Lit whenever power from the power

supply is present.

LINK

Lit whenever a USB host (PC) is connected

at the LOCAL module and at least one

device is attached at the REMOTE module.

This indicator will flicker when an active

PC host is connected, but will darken if

there is no USB device connected at the

REMOTE module.