16.4.99

appendix.fm5

Gigaset V.24 Adapter dt/eng:A30853-X400-B104-3-74D1

The V.24 interface

Name

 

 

 

 

Based on CCITT

 

 

 

 

 

 

Meaning

 

 

 

 

 

 

Std. Pin Assign.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25-pin

 

9-pin

 

DCD

109 = Data Carrier Detect

 

 

 

Data carrier signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

1

 

 

 

CTS

106 = Clear To Send

 

 

 

Clear to send signal

 

 

 

 

 

 

 

 

5

 

 

8

 

 

 

DSR

107 = Data Send Ready

 

 

 

Data send ready

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

6

 

 

 

DTR

108 = Data Terminal Ready

Data terminal ready

 

 

 

 

 

 

 

 

20

 

 

4

 

 

 

GND

102 = Signal Ground

 

 

 

Signal ground

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

5

 

 

 

RTS

105 = Request To Send

 

 

 

Request to send

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

7

 

 

 

RxD

104 = Receive Data

 

 

 

Receive data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

2

 

 

 

TxD

103 = Transmit Data

 

 

 

Transmit data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

3

 

 

 

RI

125 = Ring Indicator

 

 

 

Incoming call

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

9

 

 

 

 

Transmitter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC with 9-pole

 

 

 

 

Receiving PC with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SubD socket

 

 

 

 

 

25-pole socket

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD (3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD (2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RxD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RxD (2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RxD (3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS (7)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS (4)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS (8)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS (5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND (5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND (7)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25-pin plug based on CCITT

 

 

 

 

9-pole SubD socket

 

 

 

 

 

 

 

 

25

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RI 9

 

 

 

 

 

5 GND

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4 DTR

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

CTS 8

 

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 TxD

 

 

 

 

 

 

 

 

23

 

 

 

 

 

 

 

 

 

 

 

 

RTS 7

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 RxD

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

125 RI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSR 6

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 DCD

 

 

 

 

 

 

 

 

21

8

 

 

 

 

 

 

109 DCD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

108 DTR

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

102 GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

107 DSR

 

Pin no.

 

 

 

 

 

 

Signals to:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

5

 

 

 

 

 

 

106 CTS

 

 

 

 

 

 

 

 

 

 

 

Socket 1*

 

Socket 2**

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

4

 

 

 

 

 

 

 

105 RTS

 

1

 

 

 

 

 

 

 

 

 

DCD receive

 

DCD transmit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

3

 

 

 

 

 

 

 

104 RxD

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RxD

 

 

TxD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

2

 

 

 

 

 

 

103 TxD

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TxD

 

 

RxD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTR

 

 

DSR

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSR

 

 

DTR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTS

 

 

CTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTS

 

 

RTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

RI receive

 

RI transmit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

male

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

**

female

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

Page 22
Image 22
Siemens RS232, M101 V.24 interface, Name Based on Ccitt Meaning Std. Pin Assign, Pin plug based on Ccitt Pole SubD socket

M101, RS232 specifications

The Siemens RS232 M101 is a notable communication interface device that is widely utilized in industrial applications for data transfer between machines and control systems. Its introduction marked a significant advancement in serial communication technology, allowing for efficient and reliable connectivity in a variety of environments.

One of the primary features of the Siemens RS232 M101 is its adherence to the RS232 standard, which defines the protocols for serial communication. This standard ensures compatibility with a wide range of devices, making it versatile for use in various applications. The M101 facilitates point-to-point communication, enabling direct data exchange between two devices, such as computers, programmable logic controllers (PLCs), and sensors, which is crucial for real-time monitoring and control processes.

The technology behind the M101 includes its ability to support baud rates of up to 115,200 bps, enabling high-speed data transfer. This capability is essential in environments where timely data exchange is critical, such as manufacturing and automation sectors. The device also features a robust design that ensures reliable operation even in challenging industrial conditions, including temperature variations and electromagnetic interference.

Additionally, the Siemens RS232 M101 supports flow control mechanisms such as RTS/CTS (Request to Send/Clear to Send) and XON/XOFF (software flow control), which help manage data transmission effectively. By preventing data loss due to buffer overruns, these technologies enhance the integrity of data being transmitted, providing users with confidence in the reliability of their systems.

The M101 interface is compatible with a variety of operating systems, which simplifies integration into existing setups. Furthermore, it includes diagnostic LEDs that indicate communication status, making troubleshooting straightforward and user-friendly.

In summary, the Siemens RS232 M101 is a pivotal component in industrial communication, characterized by its adherence to RS232 standards, high-speed data transfer capabilities, robust build, and effective flow control mechanisms. Its widespread compatibility and user-friendly features make it a valuable tool for ensuring seamless communication between different systems in industrial applications. By facilitating reliable data exchange, the M101 enhances operational efficiency and contributes to the overall effectiveness of automated processes.