
SECTION 3 - Interface Specifications
Rev C
51
SATO M-8400RV Service Manual
3-4 RS232C Serial Interface (Cont.)
X-On/X-Off Flow Control
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Cable Requirements
HOST
INTERCONNECTION
PRINTER
FG
1 FG (Frame Ground)
RD
2 TD (Transmit Data)
TD
3 RD (Receive Data)
4 RTS (Request to Send)
5 CTS (Clear to Send)
6 DSR (Data Set Ready)
*
20 DTR (Data Terminal Ready)
SG
7 SG (Signal Ground)