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Kleverles
Pin
RS-232 pinout
Signal Name / Description
Short
IN / OUT
25-pin
9-pin
Send Data
TxD
OUT
02
03
Receive data
RxD
IN
03
02
Request to Send
RTS
OUT
04
07
Send readiness
CTS
IN
05
08
Transmission facility
DSR
IN
06
06
Signal Ground
GND
07
05
Receiving line signal is detected
DCD
IN
08
01
Data device
DTR
OUT
20
04
Callsign
RI
IN
22
09
RS-422 pinout
Signal Name / Description
Short
IN / OUT
25-pin
9-pin
Receive data plus
RxD+
IN
15
04
Receive data minus
RxD-
IN
17
05
Transmit data plus
TxD+
OUT
19
08
Transmit data minus
TxD-
OUT
25
09
Signal Ground
GND
07
03
Pinout X4, X5 (TTY, 20mA)
Signal Name / Description
Short
IN / OUT
15-pin
External mass
Mext
1
Receive data minus (LED cathode)
TTY IN -
IN
2
Power +5 VDC
+5V
3
Power +24 VDC
+24
4
Internal mass
Bulk
5
Transmit data plus (collector transistor)
TTY OUT+
OUT
6
Transmit data minus (transistor investigation)
TTY OUT-
OUT
7
External mass
Mext
8
Plus receive data (LED anode)
TTY IN+
IN
9
Mass for +24 VDC
10
20mA current source transmitter
11
Internal mass
Bulk
12
20mA current source receiver
13
Power +5 VDC
+5V
14
Internal mass
Bulk
15
MPI pinout
Signal Name / Description
Short
IN / OUT
9-pin
Not connected
NC
1
Mass 24V
M24V
OUT
2
Data line B
Ltg_B
IN/OUT
3
Send requests for ASNetwork
RTS-AS
OUT
4
Mass 5V
M5V
OUT
5
5V output
P5V
OUT
6
24V output
P24V
OUT
7
A data line
Ltg_A
IN/OUT
8
Send request to AS
RTS-PG
IN
9