Appendix 4-2 COM3 Mode Rev.A
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Mode 2

Mode 2 = DRW/DM-D (displayed during the BIOS setup)
You must set to this mode to equip the optional de d icated DRW Board.
COM3 input signal recognized by Host is only connected to DRW board or DM-D dedicated
connecter at this Mode. Therefore, its operation is not guaranteed with COM3 D-sub connector
connected.
DRW board and DM-D dedicated connecter are in Hydr a connection as listed below.
- DRW Hardware Flow control is DSR/DTR
- DM-D Hardware Flow control is RTS/CTS

COM3 Mode Seting Specification

*1:The customer display can be connecte d if any optional peropheral is connected to COM3 port. Only DM-D that
controls software flow can be used in this case.
*2:SOme of the TM printer (TM-88II) can be used.
Table A4-1 COM3 Mode Setting and Status of each ports
COM3 DM-D dedicated port Drawer Board
Mode0 Normal O/ DTR/DSR, RTS/CTS *1/ X-on/X-off only /CRT is available
Mode1 TM/DM-D *2/ DTR/DSR O/ RTS/CTS /CRT is available
Mode2 DRW/DM-D O/ RTS/CTS O/ DTR/DSR