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The following document describes changes to the cable required to connect the 4025TR to the
computer running the KeyLog Tracker software. References to the 4025TR manual are to version 1.0
printed January 1998.
1. New Cable Drawing
The wiring diagram below shows the correct cable wiring for connecting a computer running the
KeyLog TRACKER™ software to the 4025TR.
connectors found on most computers. It is important to loop back the handshake lines as shown for
some computers that do not have internal pullups on these inputs.
Frame Gnd
Date of Issue: April 16, 2001
4025TR End
9 pin D
Pin
Male
TxD
5
RxD
8
Sig Gnd
6
Shield
Cable to Connect 4025TR to PC Communications Port
Model 4025TR Film Footage Encoder Manual
4025TR Manual Change Sheet 1.0-1
Pinouts are given for DB-9 types of serial ports
Computer End
Belden
Pin
9501
2
3
----drain-----
5
7
8
4
1
6
9
----drain-----
Shield
9 pin D
Female
RxD
TxD
Sig Gnd
RTS
CTS
DTR
DCD
DSR
RI
Frame Gnd
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