Aiphone AI-900 Dokumentacja Pobierz pdf (Strona 36)

12.9. AI-900TI Tie-Line Interface Card Exchange Interconnection

Up to 16 exchanges can be tie-line interconnected using the AI-900TI card.

[Connection]

To interconnect the exchanges, use 2 twisted pair cables for voice lines, and a 2-core shielded cable for data

lines. A maximum of 4 voice lines can be connected. Refer to the following table for the maximum

recommended length for each cable type between exchanges.

(As to the cable connection, see the figure on the next page.)

Cable type AWG24 (0.52 mm) AWG22 (0.65 mm) AWG20 (0.82 mm)

Distance 0.6 km 1 km 1.5 km

[Termination resistance setting]

When interconnecting three or more exchanges, change the SJP10 connection on each card as shown below,

with the exception of the cards in the rightmost and leftmost exchanges.

AI-900

AI-900TI

AI-900

SJP10

CN6

R26

SJP10

SW1

Two twist pair cables (voice line)

A 2-core shielded cable (data line)

Factory-preset status of SJP10 Termination resistance setting when

interconnecting 3 or 4 exchanges

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 47 48

Brak uwag

Aiphone AI-900 Dokumentacja Strona 36