Rs232C Interface Signals - SATO M-8400RV Service Manual

3-4 RS232C Serial Interface (Cont.)
Electrical Specifications
Connector


PIN 13




PIN 25

Cable
Signal Levels
Pin Assignments
PIN DIRECTION
1 Reference
2 To Host
3 To Printer
48
Rev C
SECTION 3 - Interface Specifications
'%6 )HPDOH
'%3 0DOH IWPD[LPXPOHQJWK)RU.DEOH
.RQILJXUDWLRQUHIHUWR&DEOH5HTXLUHPHQWVDSSURSULDWHWRWKH
56&SURWR.RO.KRVHQ
+LJK 9WR9
/RZ 9WR9

RS232C Interface Signals

FG (Frame Ground)
TD (Transmit Data) - Data from the printer to the host computer.
Sends X-On/X-Off characters or status data (Bi-Directional protocol).
RD (Receive Data) - Data to the printer from the host computer.
SATO M-8400RV Service Manual

PIN 1
SIGNAL DESCRIPTION
PIN 14