Black Box ACU3009A Betriebsanweisung Seite 40

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TROUBLESHOOTING & FAQ
38
6.5 General Questions
Is it possible to use a cable longer than 50m?
It might be possible to use a cable of up to 100m at lower resolutions. However, we
do not recommend this and cannot guarantee that it will work.
The ACU1007A will work with cables up to 300m in length.
Can the micro extender be daisy chained?
No, we do not recommend doing this.
Which interconnection cable is best?
The extender will operate with either shielded (STP/FTP) or unshielded (UTP)
CAT5/5e cable. However, correctly installed shielded cable is preferred, especially
in electrically noisy environments, because it resists interference more strongly,
limits ground potential differences, and reduces emissions. To benefit from shielded
cable the shield connection must be maintained from end to end through any
intervening patch cables, panels and RJ45 connectors.
Please note that shielded cable is advised in order to maintain regulatory EMC
compliance.
Can the extender system be used between buildings?
No. Ground loops could damage the extender system and attached equipment.
Can multiple Local/Remote Units be used by swapping the interconnection cable?
Local Units provide full keyboard and mouse emulation, so it is possible to swap or
switch the local-remote interconnection to create a KVM matrix-switch system.
Sometimes you may need to reset the keyboard and mouse (by entering the
appropriate command) after a swap or switch. Please call Technical Support before
deploying such a system.
Can the extender be connected into our network?
Absolutely not. Regardless of the cable similarities, the data signals and voltages
used by the extender are different from those used by Ethernet and other types of
networks. Connecting the extender to a LAN hub, switch, repeater, or other
network device, or exposing it to the signal levels present on network data lines
may damage the extender and other devices.
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