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A Serial Cable
Because there are a variety of connector types that different
computers require, a serial cable is not provided with the
Courier. See the next section, Choosing a Serial Cable, for
guidelines.
Choosing a Serial Cable
1
Check the back of your computer for a serial port. Serial
ports may be labeled with the word COM or RS-232 or with
symbols such as IOIOI,
computer's documentation to be sure.
2
Depending on what kind of serial port is on your computer,
obtain a serial cable with a connector that will fit (either a
female DB-25, female DB-9, or a male 8-pin Macintosh serial
connector). The Courier's end of the serial cable must be a
male DB-25 connector. For a Macintosh, you need a hardware
handshaking cable.
NOTE: If you plan to connect the Courier to a mainframe
computer or use the Courier to dial in to a mainframe computer,
refer to Chapter 12, Synchronous Applications, in the Courier
Modems Command Reference manual.
2-2
Courier V.Everything External Modem: Getting Started
DB-25, Male
DB-9, Male
8-pin Mini-DIN (Macintosh)
Figure 2-1. Typical Serial Ports.
, or
. Refer to your
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