2
Chap 2 Installation & Connection
Before Installation
For easy and quick installation and connection, it is strongly
recommended that the user read and follow the following instruction
carefully so as not to damage the system accidentally by incorrect
operation.
2.1 System Appearance
NOTE:
1. For 208 the line 2 & the N.O. (and for 308 the line 2& the line 3 )
interface pin1 & pin4 is a relay output port for door lock, pin 2 &
pin3 is for Co line. As picture:
2. Ext 601 is the keyphone interface , also Ext 601 can connect normal
phone, As picture:
3. For music interface is for external holding music input (connect to
MP3 player).
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