Aiphone AI-900 - Manual (Page 41)

41
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