RS±422 Serial Interface Signals

The RS±422 serial interface signals are defined below.

Received Data (RxD) ± Serial data stream from the host to the printer.

Transmitted Data (TxD) ± Serial data stream from the printer to the host.

Subject to protocol selection.

RS±422 Serial Interface Configuration

The printer is configured for the RS±422 serial interface via the ªHost Interfaceº menu as described in Chapter 3, Configuring the Printer. The following interface configuration parameters may be modified to meet specific application requirements:

Host Protocol

None

Baud Rate

9600

Data Word Length

8

Data Bits

Stop Bits

1

Bit

Parity

None

Data Terminal Ready Function

On/Offline and Buffer

Request to Send Function

On/Offline and Buffer

Data Terminal Ready Polarity

Normal

Request To Send Polarity

Normal

Buffer Size

8192 Bytes

Number of Buffers

2

 

FIFO Trigger

14 Bytes

Diagnostics

None

NOTE: Only the factory default setting is shown above. Refer to the Configuring the Printer chapter for additional options.

NOTE: The L1016 printer has an RS232/RS422 selector switch on the rear I/O panel. When the switch is in the RS232 or RS422 position, the L1016 connector is configured as shown in the appropriate column of the previous table.

Host I/O Interfaces

B±13

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Printronix L1024 manual RS±422 Serial Interface Signals, RS±422 Serial Interface Configuration