Table of Contents
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Chapter 2: Jumpers and Connectors
COM1 Connector (RS232)
Connector type: 9P 90D Male DIP 30.81x12.55x4.5mm w/screw
Connector location: COM1
1
2
3
4
5
6
7
8
9
Pin
Definition
1
DCD
3
TXD
5
GND
7
RTS
9
RI
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Type
Description
I
Data Carrier
O
Transmit Data
Isolation Ground
O
Request to Send
I
Ringing Indicator
Pin
Definition
2
RXD
4
DTR
6
DSR
8
CTS
10
44
Type
Description
I
Receive Data
O
Data Terminal
I
Data Set Ready
I
Clear to Send
IPPC XX11-C11 Series User Manual
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