1. Serial communication basics
1.4
Hardware
Overview
•
Female D9–pin connector labelled "RS232 IN" used to connect the projector with the computer.
Pin out of the D9 connector:
Pin
1
2
3
4
5
6
7
8
9
•
Standard serial Cable
-
order number R9827560 (cable length = 15m )
-
order number R9827570 (cable length = 30m )
1
CD
2
RxD
3
TxD
4
DTR
D9
female
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Image 1-1
connection: IBM PC or compatible → projector
6
Name
CD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
1
CD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400 16/02/2007
Full Name
Carrier Detect
Received Data
Transmitted Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
D9
male