Farallon Communications 612 Benutzerhandbuch

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Netopia ISDN Modem User’s Guide
PC serial cable pin assignments
The DB-25 male to DB-9 female pin assignments for the PC serial 
cable are given below.
DB--9 
Pin #
Pin Name
DB-25 
Pin #
1
Data Carrier Detect (DCD)
8
2
Receive Data (RD)
3
3
Send Data (SD)
2
4
Data Terminal Ready (DTR)
20
5
Signal Ground (GND) 
7
6
Data Set Ready (DSR)
6
7
Request to Send (RTS)
4
8
Clear to Send (CTS)
5
9
Ring Indicator (R)
22
Shield
1