Instructions

RX
TX
TX
RX
GND
GND
6.1CableConnectionBetweenRS-232TerminaloftheDeviceandPC
1
2
3
4
5
6
7
8
9
38
ESM-9950
ESM-9950
TX
RX
GND
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
RX
TX
GND
1
13
2
14
3
15
4
16
5
17
6
18
7
19
8
20
9
21
10
22
11
23
12
24
1
13
2
14
3
15
4
16
5
17
6
18
7
19
8
20
9
21
10
22
11
23
12
24
PC(PersonalComputer)
9PinDCONconnection
CableLenghtmust
bemax.12meters
for9600baudrate
PC(PersonalComputer)
25PinDCONconnection
CableLenghtmust
bemax.12meters
for9600baudrate