SATO GT424 manual Serial Interface Specifications RS-232C, Basic Specifications

Section 5: Interface Specifications

5.6 SERIAL INTERFACE SPECIFICATIONS (RS-232C)

The serial interface of this printer conforms to the RS-232C standard.

There are two types of receive modes: 1. Single Job Buffer 2. Multi Job Buffer These can be set using the dip switches.

Basic Specifications

Standard Interface		Inside the printer
Dip Switch
			1-1	Data bit length		OFF		8 bits
1)	Character
						ON		7 bits
	configuration				DSW1-2		DSW1-3
2)	Transmission		1-2	Parity bit	OFF		OFF	NONE
	speed				OFF		ON	EVEN
			1-3	(2-3)
3)	Protocol				ON		OFF	ODD
					ON		ON	Not used
			1-4	Stop bit		OFF		1 bit
						ON		2 bits
					DSW1-5		DSW1-6	DIPSW2-8 OFF	DIPSW2-8 ON
			1-5	Baud rate	OFF		OFF	9600bps	9600bps
					OFF		ON	19200bps	19200bps
			1-6	(5-6)
					ON		OFF	38600bps	4800bps
					ON		ON	57600bps	2400 bps
					DSW1-7		DSW1-8	DIPSW2-8 OFF	DIPSW2-8 ON
			1-7	Protocol	OFF		OFF	Ready/Busy	Ready/Busy
					OFF		ON	X-on-Xoff	X-on-Xoff
			1-8	(7-8)
					ON		OFF	Status 3 echo	Status 3 echo
					ON		ON	Driver protocol	Status2 echo

*The switch between Single Job Buffer and Multi Job Buffer can be specified using dip switches 2-5 in the printer.

Also, the communication setting can be switched using dip switches 2-8 in

the printer.

Synchronization mode

Asynchronous

Maximum Receivable

2.95Mbyte

Buffer capacity

0Mbyte

2.95Mbyte

Near full

0.95Mbyte remaining

Release Near Full

Status

1.95Mbyte remaining

Code used

ASCII(7 bit)

Graphics(8 bit)

Connectors

Printer side DB-25S (Female)

Cable side DB-25P (Male)

Cable length 5 meters or less

Transmission format

Start

b1

b2

b3

b4

b5

b6

b7

b8

Stop

Note b8 is not applicable when using 7 bits.

Signal level

High level: +5 ~ +12V

Low level: -5 ~ -12V

GT Series Operator’s Manual Page 5-5