Technical data

Unit 3: Interface Specifications
SATO MB200 Operator Manual PN 9001126A Page 3-2
RS232 SERIAL INTERFACE
This High Speed Serial Interface is a Plug-In Interface Module that can be connected to the
printer by the user. The only difference between this interface and the TTL is their signal levels
and cable pinouts.
RS232C SPECIFICATIONS
Asynchronous ASCII Half-duplex communication
Bi-Directional 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 ASC II Character Codes, JIS Kanji Codes
Control Codes STX (02H), ETX (03H), ACK (06H), NAK (15H)
Connector Special
Cable Special
Signal Levels High = +3V to +12V, Low = -3V to -12V
INTERFACE SIGNALS
PIN DIRECTION SIGNAL DEFINITION
1 Reference SG (Signal Ground)
2 To Host SD (Sending Data) - Data to the host computer from the printer.
3 To Printer RD (Receive Data) - Data to the printer from the host computer.
4 --- Reserved
5 --- Reserved
6 Reference SG (Signal Ground)
7 --- Reserved
8 --- Reserved
9 --- Reserved
10 --- Reserved
11 --- Reserved
12 Reference SG (Signal Ground)