User Guide
Manuals
Brands
Aiphone Manuals
Home Safety Product
AI-900
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13.1.2. Connection via modem
Connect as shown below.
Connection via modem (Programming PC)
AI-900MF
Modem
Modem
COM2
COM1
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
RS-232C cross cable
RS-232C cross cable
Main Frame AI-900MF
Front view
1
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