Samsung SRP-350PG - SRP 350 B/W Direct Thermal Printer Service Manual page 19

2-5 Interface Specifications
2-5-1-(e) H/W Flow Control
2-5-1-(f) S/W Flow Control
Note:
2-5-2 RS-485 Serial Interface
2-5-2-(a) Specification
Item
Data Transmission
Synchronization
HandShaking
(Flow Control)
Signal Level
Baud Rate
Data Word Length
Parity
Connector
Note:
2-5-2-(b) RS-485 I/F Cable
Samsung Electro-Mechanics
Serial
Asynchronous
H/W : DTR / CTS(Same as DSR)
S/W : XON / XOFF
Logic"1" : SD1-SD2 0.2V, RD1-RD2 0.2V
Logic"0" : SD1-SD2 0.2V, RD1-RD2 0.2V
2400 / 4800 / 9600 / 19200 bps
7 Bit / 8 Bit
None / Even / Odd
DB25P Female (I/F PBA)
Table2-13 RS-485 Specification
Description
2 Product Specifications
Remark
XON : ASC Code 11h
XOFF : ASC Code 13h
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