Cusamintercom Coding Intercom Manual do Utilizador descarregar pdf (Página 20)

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Ⅸ 、 Attention

Attention

The video and audio indoor extension phone can be used both in

networking and non-networking system.It's good for non-networking

upgrading to networking system.

If the door station promotes to the networking system, then just replace the

control chip of the non- networking door station

The non- networking system promoting to the networking system needn ’ t

to change the wiring of the original unit, and the networking (networking

system is called floor controller) and the non- networking system have the

same wiring from the door station to the module and indoor phones.

★ The wiring request of non- visible partial ：

. The section area should be bigger than 0.3mm

,if the length of

master line is less than 50M

. The section area should be bigger than 0.5mm

,if the length of

master line is between 50M and 100M

The section area should be bigger than 0.15mm

,if the length of

branch line is less than 20M

The section area should be bigger than 0.3mm

,if the length of

branch line is between 20M and 50M

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Cusamintercom Coding Intercom Manual do Utilizador Página 20