Aiphone AI-900 - Manual (Page 37)

37
Connect as shown below.
Exchange interconnection by means of AI-900TI
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2 twisted pair cables
2-core shielded cable
2-core shielded cable
AI-900TI
CN1
CN2
CN3
CN4
CN6
AI-900TI
CN1
CN2
CN3
CN4
CN6
Voice line 1
Voice line 2
Voice line 3
Voice line 4
Data line
RS-485
Voice line 1
Voice line 2
Voice line 3
Voice line 4
Data line
RS-485
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
A
B
GND
GND
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
HOT
COM
A
B
GND
GND
Front view of
the circuit board