Rs-232C Interface (Only Rs-232C Model); Terminal Pin Assignment; Connecting P40 Digital Printer - Sony LT20-Series Bedienungsanleitung

8. RS-232C Interface (only RS-232C model)

The RS-232C interface can be used for connecting a P40
digital printer (sold separately) to print measured values, or
to connect a personal computer to use it to control the
display unit. (See P54 "5-1-3. RS-232C model".)

8-1. Terminal pin assignment

Rear panel of display unit
5
RS-232C
Connector to be procured
RS-232C : TCS7587 (Hoshiden), or equivalent product
EXT. IN : Mini jack
68
(Prepare a mini plug by yourself.)
8 7 6
4 3
2 1
EXT. IN
Mini plug
EXT. IN
GND
Signal
• RS-232C
Pin
I/O Signal
No.
1 N.C
2 SG (Signal GND)
3 I RXD (Received data)
4 O TXD (Transmit data)
5 I CTS (Clear to send)
6 O RTS (Request to send)
7 +10 V
8 N.C
• EXT. IN
An "L" (ON) input 1 causes the measured values to be
output via the RS-232C connector.
If the PZ201 foot-switch (option) is used connect to this
terminal. Other cords with mini-plugs which may be used
include Sony RK-S100 speaker cord (mini-plug ⇔ open-
end), etc.. (See P70 "8-6. Output".)

8-2. Connecting P40 digital printer

Connect the cable that comes with the P40 to the RS-232C
connector.
For P40, refer to the instruction manual for the P40.
Connected
equipment side
Signal
—
SG
TXD
＜
RXD
＞
RTS
＜
＞ CTS
DSR