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3-5-2-2. Online interface
Terminal (COM 1)
Pin
Signal
No.
name
3
SD/TDX
2
RD/RXD
7
RS/RTS
8
CS/CTS
1
CD/DCD
4
ER/DTR
6
DR/DSR
9
CI/RI
5
GND
QT-6600 Reference Manual
Only the RS-232C COM 1 port can be connected with a modem or a personal computer.
1) Specification of RS-232C COM 1 port
Communication method:
Configuration of connection: Point-to point
Line type:
Starting method:
Protocol:
Communication speed:
Error control:
Text length:
2) The cable diagram between the terminal and MODEM
3) The cable diagram between the terminal and PC
MODEM
Signal
Pin
name
No.
SD
2
RD
3
RS
4
CS
5
CD
8
ER
20
DR
6
CI
22
GND
7
(DSUB25)
Half duplex communication
Public lines / exclusive lines
Center (host computer) based start up
Async.
2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 115200 bps
CRC-128 or CRC-1024
128 or 1024 bytes
Terminal (COM 1)
Pin Signal
No.
name
3 SD/TDX
2 RD/RXD
7 RS/RTS
8 CS/CTS
1 CD/DCD
4 ER/DTR
6 DR/DSR
9
CI/RI
5
GND
PC
Signal Pin
Pin
name No. No.
SD
3
2
RD
2
3
RS
7
4
CS
8
5
CD
1
8
ER
4
20
DR
6
6
CI
22
GND
5
7
(DSUB25)
(DSUB9)
R-119
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