29
1
2
3
TX
RX
GND
1
7
2
8
3
9
4
10
5
11
6
12
TX
TX
TX
TX
RX
RX
RX
RX
GND
GND
GND
GND
1
7
2
8
3
9
4
10
5
11
6
12
1
7
2
8
3
9
4
10
5
11
6
12
1
2
D+
D-
3
1
7
2
8
3
9
4
10
5
11
6
12
6.1 Cable Connection Between RS-232 Terminal of the Device and PC
ESM-4400
Cable Lenght must be max.
12 meters for 9600 baud
rate
Cable Lenght must be max. 12
meters for 9600 baud rate
ESM-4400
PC (Personal Computer)
9 Pin DCON connection
PC (Personal Computer)
25 Pin DCON connection
RS-232 Terminal Definitions
RS-485 Terminal Definitions
1
2
3
4
5
6
7
8
9
1
6
21
11
16
2
7
20
12
15
3
8
19
13
14
4
9
18
5
10
17
22
23
24
25
6.Connections for RS-232 / RS-485 Serial Communication
