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RS-232 FASTICK PINOUTS
DB-25 (M)
RS-232 Function
DTE
DCE
DB-25 (M/F)
1
Frame Ground
1
2
Transmit Data
> >
2
3
Receive Data
< <
3
4
Request To Send (RTS)
> >
4
5
Clear To Send (CTS)
<<
5
6
Data Set Ready (DSR)
<<
6
7
Signal Ground
7
8
Data Carrier Detect (DCD)
<<
8
9
Unused
9
10
Unused
10
11
Unused
11
12
Unused
12
13
Unused
13
14
Unused
14
15
Transmitter Clock
<<
15
16
Unused
16
17
Receiver Clock
<<
17
18
Unused
18
19
Unused
19
20
Data Term. Ready (DTR)
>>
20
21
Unused
21
22
Unused
22
23
Unused
23
24
External Transmitter Clock
>>
24
25
Unused
25
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