Technical data

Unit 3: Interface Specifications
SATO MB200 Operator Manual PN 9001126A Page 3-3
TTL INTERFACE
The only difference between this interface and the RS232C is their signal levels and cable
pinouts.
TTL SPECIFICATIONS
Asynchronous ASCII Half-duplex communication
Data Transmission Rate 4800, 9600, 19200, 38400 bps
Data Length 8 bit (selectable)
Stop Bit 1 bit (fixed)
Parity Bit ODD, EVEN, NONE (selectable)
Codes Used ASC2 Character Codes, JIS Kanji Codes
Control Codes STX (02H), ETX (03H), ACK (06H), NAK (15H)
Connector Special
Cable Special
Signal Levels High = +2.0V to +3.3V Low = -0.5V to -0.8V
INTERFACE SIGNALS
PIN DIRECTION SIGNAL DEFINITION
1 Reference SG (Signal Ground)
2---Reserved
3---Reserved
4---Reserved
5---Reserved
6 Reference SG (Signal Ground)
7---Reserved
8 To Host SD (Sending Data) - Data to the host computer from the printer.
9 To Printer RD (Receive Data) - Data to the printer from the host computer.
10 --- Reserved
11 --- Reserved
12 Reference SG (Signal Ground)
WARNING: NEVER CONNECT OR DISCONNECT INTERFACE CABLES
(OR USE A SWITCH BOX) WITH POWER APPLIED TO EITHER THE
HOST OR THE PRINTER. THIS MAY CAUSE DAMAGE TO THE
INTERFACE CIRCUITRY IN THE PRINTER/HOST AND IS NOT COVERED
BY WARRANTY.