Lectrosonics PT3 - Manual (Page 24)

SERIAL CABLE WIRING DIAGRAM
The serial port on the LecNet device is a minimal RS-232 implementation. The figure shows the wiring diagram to
accommodate interconnection with either a 9 or a 25 pin serial port on a PC or other serial device.
LecNet Device to PC
3.5MM
Stereo Plug 9 or 25 Pin Female
D-Subminiature
S
R
T
Wiring Diagram, 9 Pin D-Sub
N/C CD 1
Tip
LecNet Device Transmit RX 2
Ring
LecNet Device Receive TX 3
Host
Gnd DTR 4 Sleeve
Serial
Gnd 5
LecNet Port Port
DSR 6
(PC)
RTS 7
CTS 8
N/C RI 9
Wiring Diagram, 25 Pin D-Sub
DSR 6
DTR 20
LecNet Port
LecNet Device Transmit
LecNet Device Receive
Gnd Tip
Ring
Sleeve
3
2
7
1
4
5 RX
TX
Sig Gnd
Chassis Gnd
RTS
CTS
Host
Serial
Port
(PC)
24