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3.8.3 S
ERIAL
-C
ABLE
W
IRING
D
IAGRAMS
If a cable was not purchased with the interface, the following diagrams will be
helpful in making your own cable. Simple soldering skills and an attention to
detail will ensure successful construction.
Figure 3-17. Wiring Diagram:
Macintosh to Interface Converter (RS-422).
Figure 3-18. Wiring Diagram: IBM PC or Compatible with
DB25 Serial Connector to Interface Converter (RS-232).
-TxD 2 2 -RxD
-RxD 3 3 -TxD
RTS 4 4 CTS
CTS 5 5 RTS
DSR 6 3 V test
Gnd 7
7 Gnd
DB25 Female DB25 Male
Mini DINs Male DB25 Male
RTS 1
CTS 2
-TxD 3
Gnd 4
-RxD 5
+TxD 6
+RxD 8
4 CTS
5 RTS
2 -RxD
7 Gnd
3 -TxD
14 +RxD
16 +TxD
CHAPTER 3: Getting Started