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2 interfaces – Citizen Systems CLP-8301 User Manual

Page 67

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Chapter 9 Specifications

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9.2 Interfaces

1 Serial

interface

Specifications

Transfer method:

Start stop synchronous dual communication system

Signal level:

RS-232C

Baud rate:

2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200 bps

Data bits:

7 or 8

Start bits:

1

Stop bits:

1 or 2

Parity:

Even, odd, or none

Connector:

D-SUB 25PIN 17LE-13250-27(D41)(DDK) or its equivalent

XON/XOFF protocol

XON code output requirements:

· Communication is enabled after power is turned ON.
· Residual capacity of the buffer is 1K bytes or more after sending XOFF code.
· Paused state is cleared.
· XOFF code is output due to error and printer returns to normal conditions.

XOFF code output requirements:

· Printer is in error.
· Printer is in paused state.
· Receive buffer has less than 128 bytes available.

128 bytes

1K bytes

XON code output

XOFF code output

Receive Buffer

16KB