On Line; Direct Connection To Pc - Casio QT-2000 Service Manual

7-2. ON-line
Only the RS-232C Com3 port can be connected with a modem or perssonal computer.

1. Direct connection to PC

1-1. Connection layout
Up to 4 kitchen printers
KP KP
QT2000
KP/M CHK/BM
Slip
1-2. Cable wiring
QT-2000 (Com3)
Pin No. Signal name
3 SD / TXD
2 RD / RXD
7 RS / RTS
8 CS / CTS
1 CD / DCD
4 ER / DTR
6 DR / DSR
9 CI / RI
5 GND
KP KP
QT2000
CHK/M
Slip
Using Com3 port
— 42 —
QT2000
KP/BM
R/J
PC
Pin No. Pin No.
(DSUB9) (DSUB25)
3 2
2 3
7 4
8 5
1 8
4 20
6 6
- 22
5 7
PC
RS-232C
QT2000
Slip
Signal name
SD
RD
RS
CS
CD
ER
DR
CI
GND