Aiphone installation manual Substation and AI-900RSconnection, Connection

12.6. AI-900RS Substation Interface Card Connection

12.6.1. Substation and AI-900RS connection

The AI-900RS can be interfaced with up to 16 substations.

[Connection]

Use a 2-core shield cable to connect the substation to the AI-900RS. Refer to the following table for the maximum recommended cable length between the two.

Cable type	AWG24 (0.52 mm)	AWG22 (0.65 mm)	AWG20 (0.82 mm)
Distance	0.5 km	0.8 km	1.3 km

Connect as shown below.

Connection of the AI-RS150/-RS160/-RS170/-RS180 to the AI-900RS

To line A (orange)

AI-RS150, AI-RS160, To line B (brown) AI-RS170 or AI-RS180

To line C (black)

2-core shielded cable

2-core shielded cable

AI-900RS

A

Line 1 B

CN1C A Line 2 B C

A

Line 5 B

CN2C

A

Line 6 B

C

A

Line 9 B

CN3C

A

Line 10 B

C

A

Line 13 B

CN4C

A

Line 14 B

C

AB Line 3

C

A

BLine 4

C

AB Line 7

C

AB Line 8

C

AB Line 11

C

A

BLine 12

C

A

BLine 15

C

A

BLine 16

C

Front view of the circuit board

Note

The cables coming from the substations are bared at their ends.

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