Connecting to a personal computer
This unit can be remotely controlled from a PC connected via a RS-232C connector.
Connection via a modem
Please use RS-232C straight cable (9 pin) to connect a modem with this unit. The setting of CTS should be set to "HIGH"
or "ON". Please refer to the instruction manual of a modem for the details about setting.
The illustration of the recorder shows an example of DX-TL4516 series.
Direct connection
Please use RS-232C crossover cable (9 pin) to connect this unit with a personal computer. The pin layout of the RS-
232C connector varies depending on the personal computer connected. Check the pin layout and use the proper crosso-
ver cable for the personal computer used.
The illustration of the recorder shows an example of DX-TL4516 series.
RS-232C connector
1
5
RS-232C
6
9
RS-232C cable
Please use the following RS-232C crossover cable when connecting the RS-232C connector of the personal computer
and that of this unit.
1) When RS-232C connector of personal
computer is D-sub 25 pin
FRAME
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
D-sub 9 pin (this unit)
this unit
this unit
Pin No. Letters
Transmission Contents
RXD
Receiving Data
2
TXD
Transmission Data
3
DTR
Data Terminal Ready
4
GND
Signal Ground
5
1
FG
2
TXD
3
RXD
4
RTS
5
CTS
6
DSR
7
GND
20
DTR
D-sub 25 pin (Personal computer)
Telephone line
Modem
Modem
RS-232C straight cable (9 pin)
RS-232C crossover cable (9 pin)
Letters
Pin No.
6
DSR
7
RTS
8
CTS
2) When RS-232C connector of personal
computer is D-sub 9 pin
FRAME
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
D-sub 9 pin
2
PC
PC
Transmission Contents
Data Set Ready
Request To Send
Clear To Send
FRAME
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
D-sub 9 pin