Pc Serial Cable Pin Specifications; Macintosh Serial Cable Pin Specifications - 3Com Impact IQ 3C882 User Manual

PC Serial Cable Pin Specifications
The DB25 male to DB9 female pin assignments for the PC
serial cable are provided in Table C-2.
Table C-2 PC COM Port Cable Pin Assignments
DB9 Pin #
1
2
3
4
5
6
7
8
9
—
Macintosh Serial Cable Pin Specifications
The DB25 male to 8-pin DIN male pin assignments for the
Macintosh serial cable are provided in Table C-3.
Table C-3 Macintosh COM Port Cable Pin Assignments
8 Pin DIN
Pin #
1
2
3
4, 8
5
7
PC Serial Cable Pin Specifications
Pin Name
Data Carrier Detect (DCD)
Receive Data (RD)
Send Data (SD)
Data Terminal Ready (DTR)
Signal Ground (GND)
Data Set Ready (DSR)
Request to Send (RTS)
Clear to Send (CTS)
Ring Indicator (RI)
Shield
Pin Name
Data Terminal Ready (DTR)
Clear to Send (CTS)
Send Data (SD)
Signal Ground (GND)
Receive Data (RD)
Data Carrier Detect (DCD)
C-3
DB25 Pin #
8
3
2
20
7
6
4
5
22
1
DB25 Pin #
20, 4
5
2
7
3
8