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1. Serial Communications Basics
1.4 Serial Communications Hardware
Overview
• Female D9–pin connector labelled “RS232 IN” used to connect the projector with the computer.
Pin out of the D9 connector:
Pin Name Full Name
1
CD Carrier Detect
2 RxD Received Data
3 TxD Transmitted Data
4 DTR Data Terminal Ready
5
GND Signal Ground
6
DSR Data Set Ready
7
RTS Request To Send
8
CTS Clear To Send
9 RI Ring Indicator
• Standard serial Cable
- order number R9827560 (cable length = 15m )
- order number R9827570 (cable length = 30m )
1
CD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
1
CD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
D9
female
D9
male
Image 1-1
connection: IB
M PC or compatible → projector
8 R5976614 GALAXY WARP™ 31032004