64
J3
Key Board Connector
J4
PS/2 Mouse Connector
J5
COM2 Port
J6
COM1 Port
J7
Parallel Port
J8
Floppy Drive Port
J9
SCSI Port
J10
Wide SCSI Port
J11
IR Connector
USB1
USB Connector
IDE1-2
IDE Drive connector
4.8 Pin Definition for Cable Connection
There are two cables for COM1 and COM2. Each cable is
connected to 10-pin IDC connector. The pin definitions for
COM1/COM2 are as follows:
9-pin D-Sub
Definition
10-pin IDC
Pin-1
CD, Carrier Detect
Pin-1 (IN)
Pin-2
RXD, Receive Data
pin-3 (IN)
Pin-3
TXD, Transmit Data
Pin-5 (OUT)
Pin-4
DTR, Data Terminal Ready
Pin-7 (OUT)
Pin-5
GND, Signal Ground
Pin-9
Pin-6
DSR, Data Set Ready
Pin-2 (IN)
Pin-7
RTS, Request To Send
Pin-4 (OUT)
Pin-8
CTS, Clear To Send
Pin-6 (IN)
Pin-9
RI, Ring Indicator
Pin-8 (IN)
25-pin D-Sub Definition
10-pin IDC
Pin-8
CD, Carrier Detect
Pin-1 (IN)
Pin-6
DSR, Data Set Ready
Pin-2(IN)
Pin-3
RXD, Receive Data
Pin-3 (IN)