Aiphone AI-900 - Manual (Page 43)

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13.2.2. Connection via modem
Connect as shown below.
Connection via modem (Operation log 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
13.3. System Programming
Use the supplied PC software to perform such system programming as station number and function settings.
For its use and installation, refer to the "AI-900 Setup Software Instruction Manual."