23
6
Pinout Diagrams
This section contains pinout diagrams for the base connectors.
Serial Connector (RS 232 C Serial Connector
)
5
4
3
2
1
9
8
7
6
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
N/C
Pin
Signal
Signal
Direction
1
Data Carrier Detect
In
2
Receive Data
In
3
Transmit Data
Out
4
Data Terminal Ready
Out
5
Signal Ground
--
6
Data Set Ready
In
7
Request To Send
Out
8
Clear To Send
In
9
Not Connected
Shell
Protective GND
Modem
DCE 25-Pin
Transmit Data 2
Receive Data 3
Request to Send 4
Clear to Send 5
Data Set Ready 6
Signal Ground 7
Data Carrier Detect 8
Data Terminal Ready 20
Terminal
DTE 9-Pin
3 Transmit Data
2 Receive Data
7 Request to Send
8 Clear to Send
6 Data Set Ready
5 Signal Ground
1 Data Carrier Detect
4 Data Terminal Ready
Host
DTE 25-Pin
Transmit Data 2
Receive Data 3
Request to Send 4
Clear to Send 5
Data Set Ready 6
Signal Ground 7
Data Carrier Detect 8
Data Terminal Ready 20
Terminal
DTE 9-Pin
3 Transmit Data
2 Receive Data
7 Request to Send
8 Clear to Send
6 Data Set Ready
5 Signal Ground
1 Data Carrier Detect
4 Data Terminal Ready
