Aiphone installation manual Outside line and AI-900COconnection, Connection

12.7. AI-900CO Outside Line Interface Card Connection

12.7.1. Outside line and AI-900CO connection

The AI-900CO can be interfaced with up to 2 outside lines. Using DTMF tone dialing, it is compatible with both loop and ground start systems.

[Connection]

Connect as shown below.

Outside line and AI-900CO connection

1 twisted pair cable

1 twisted pair cable

Lightening protector *2

AI-900CO

CN1 Line 1

CN2

CN3 Line 2

Outside line

GND *1

GND

Outside line

GND *1

GND

CN4

Lightening protector *2

Front view of the circuit board

U.S.O.C. *3

RJ11C or W

C/O Line 1	C/O Line 2
(or PBX	(or PBX
Extension)	Extension)

*1 Ground this terminal only when using ground start system.

*2 Install a protector if not yet installed by the telephone company. *3 This terminal must be installed by the telephone company.

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