Table of Contents
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1. Serial communications Basics
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
1
HSKo
2
HSKi
3
TxD-
4
GND
DIN
mini 8
5
RXD-
6
TXD+
7
n.c.
8
RXD+
Image 1-2
connection: MAC → projector
Signal levels
Following table gives the signal levels corresponding to the different states:
State
Off = 1
On = 0
8
1
CD
2
RxD
3
TxD
4
DTR
D9
male
5
GND
6
DSR
7
RTS
8
CTS
9
RI
4
DTR
8
CTS
3
TxD
5
GND
D9
male
2
RxD
Voltage
-9V
+9V
R5976884 RLM SERIES 04/04/2006
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