2
4
DNG232
TX/RX
RX/TX
MODEM
RTS/CTS
CTS/RTS
DCE/DTE
RS-232
2
COMPUTER
RS-232
3
L
100-240 V
N
0.1 A
E
9 - RI
8 - CTS
RS-232
Port
7 - RTS
DB-9 Female
socket
6 - DSR
5 - SG
4 - DTR
3 - RD
2 - TD
1 - DCD
IEC Overvoltage Category III
5
A
DyNet
RS-485
≤ 2 A
12 V
90 mA
RJ12
AUX
+12 V
D -
µP
D +
GND
SHLD
DCE / DTE
Selector
GND
AUX
<20 m
SHLD
GND
D+
D-
+12 V
AUX
DyNet
RS-485