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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
Lightening
2
protector *
C/O Line 1
(or PBX
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.
32
1 twisted pair cable
1 twisted pair cable
Lightening
2
protector *
U.S.O.C. *
RJ11C or W
C/O Line 2
(or PBX
Extension)
AI-900CO
CN1
CN2
CN3
CN4
3
Outside line
Line 1
1
GND *
GND
Outside line
Line 2
GND *
1
GND
Front view of
the circuit board
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