5

Connection Cables and Cable Wiring

In this chapter, we illustrate the possible connections and cable wiring for the CP-104UL boards.

In serial data communications, DTE stands for Data Terminal Equipment, such as a PC’s COM1/2, serial printers, and terminals, and DCE stands for Data Communication Equipment, such as modems.

RS-232 Cable Wiring

Board Pinouts—DB44 Female

 

 

 

 

 

 

RS-232

 

 

 

 

 

 

 

 

 

 

 

 

Port 1

Port 2

Port 3

 

Port 4

 

13

TxD

9

TxD

5

TxD

 

1

TxD

 

14

RxD

10

RxD

6

RxD

 

2

RxD

 

15

RTS

11

RTS

7

RTS

 

3

RTS

 

28

CTS

24

CTS

20

CTS

 

16

CTS

 

29

DTR

25

DTR

21

DTR

 

17

DTR

 

30

DSR

26

DSR

22

DSR

 

18

DSR

 

42

DCD

39

DCD

35

DCD

 

31

DCD

 

44

GND

41

GND

37

GND

 

33

GND

Page 63
Image 63
Moxa Technologies CP-104UL user manual Connection Cables and Cable Wiring, RS-232 Cable Wiring

CP-104UL specifications

The Moxa Technologies CP-104UL is a versatile and reliable serial-to-USB adapter designed for a wide range of industrial applications. This device aims to simplify the process of connecting serial devices to a USB port, making it an invaluable tool for engineers and technicians who need fast and effective communication with their legacy serial devices.

One of the main features of the CP-104UL is its ability to support four isolated RS-232 serial ports. This high level of isolation helps protect sensitive equipment from electrical noise and transients, which is critical in many industrial environments. The device supports a data rate of up to 921.6 kbps, allowing for high-speed communication and efficient data transfer. This feature is particularly useful in situations where quick data retrieval is essential, such as in real-time monitoring and control systems.

The Moxa CP-104UL utilizes advanced technologies, such as the use of Virtual COM Port drivers. These drivers provide a seamless interface between the USB adapter and the operating system, making it appear as if the serial ports are native to the system. This ensures compatibility with various applications without the need for significant configuration adjustments.

Another noteworthy characteristic of the CP-104UL is its robust construction and environmental ratings. The device is designed to withstand harsh industrial conditions, making it suitable for use in factories, process plants, and other challenging environments. Its wide operating temperature range of -40 to 75 degrees Celsius ensures reliable performance even in extreme temperatures.

Additionally, the CP-104UL supports various operating systems, including Windows, Linux, and macOS. This cross-platform compatibility provides users with flexibility, allowing them to integrate the adapter into their systems without worrying about compatibility issues.

The device is also equipped with features such as built-in surge protection, ensuring that the connected equipment remains safe from electrical interference. Furthermore, its compact design and lightweight form factor make it easy to deploy in various installation scenarios, including wall mounting or direct attachment to devices.

In summary, the Moxa Technologies CP-104UL is an essential tool for anyone working with serial devices in industrial settings. Its multiple features, advanced technologies, and robust characteristics make it an ideal solution for converting serial connections to USB, ensuring reliable communication in a variety of applications.