Rev. 3.02
- 22 -
SRP-270
3-5 Interface Specifications
3-5-1 RS-232C Serial Interface
3-5-1(a) Specification
Item Description Remark
Data Transmission • Serial
Synchronization • Asynchronous
HandShaking
(Flow Control)
• H/W : DTR / DSR
• S/W : XON / XOFF
XON: ASC Code 11h
XOFF: ASC Code 13h
Signal Level
• Logic”1” (MARK) : -3V ~ -15V
• Logic”0” (SPACE) : +3V ~ +15V
Baud Rate • 19200 / 2400 / 4800 / 9600 Bps
Data Word Length • 7 Bit / 8 Bit
Parity • None / Even / Odd
Connector • DB25P Female (I/F PBA)
Table 3-14 RS-232C Specification
※ Note: The HandShaking (Flow Control) / Data Word Length / Baud Rate / Parity functions depend
on the DIP Switch settings. Refer to the User’s Manual.
3-5-1(b) RS-232C I/F Cable
Printer Side: D-SUB25P-Male
Ferrite Core : 1 Turn (OP-118E : 18.2 x 12.5 x 25.5)
CONN : User Spec
In Case PC : D-SUB25P-Female or
D-SUB9P-Female
Figure 3-6 RS-232C Cable
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