Communications Interfaces; Rs-232 Serial Interface - Intermec 3440 User Manual

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Communications Reference
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Communications Interfaces

The 3440 printer supports serial communications with the following
interfaces:
• RS-232
• RS-422
• RS-485
The following sections describe these interfaces. See Data Communications
Reference Manual (Intermec Part No. 044737) for more detailed information.

RS-232 Serial Interface

Use the RS-232 serial interface in all asynchronous point-to-point full- or
half-duplex direct data communications or modem control. The printer
cable must have the pin assignments for an RS-232 serial interface shown in
the table on the next page.
RS-422 Serial Interface
Use the RS-422 interface in long line point-to-point direct connect
installations. The printer cable must have the pin assignments for an RS-422
serial interface shown in the table on the next page.
RS-485 Serial Interface
Use the RS-485 serial interface for Multi-Drop installations only. The printer
cable must have the pin assignments for an RS-485 serial interface shown in
the table on the next page.
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