Figure 9-2: Rs-232 Pin - Teledyne 6400A Instruction Manual

Sulfur dioxide analyzer
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TAI Model 6400A SO
Analyzer Operator Manual, 02164, Rev. G
2
Figure 9-2: RS-232 Pin Assignments
9.3.2.1 RS-232 Connection Examples
Example 1
Connecting the 6400A (using supplied cable) to an IBM-PC AT compatible computer (DB-25
external connector, or DB-25 end of DB-9 to DB-25 Adapter).
In this case, the PC is wired as DTE and the analyzer's jumpers are set as DCE, therefore a null
modem is not needed. The wiring is "straight through" i.e. pin 1 to pin 1, pin 2 to pin 2, etc.
Therefore all you have to do here is adapt the connector on the analyzer cable (male DB-25) to
the DB-25 male on the PC. A female to female DB-25 "gender changer" (cable or adapter) will
complete the connection. Make sure none of the adapters have null modems in them.
9-34

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