Rs-232 connector types

1. Are there different types of RS232?
2. What type of connector would an RS232 cable use?
3. What are the RS232 connectors?
4. Is a printer DTE or DCE?
5. Is RS232 analog or digital?
6. What are RS232 voltage levels?
7. Can I use cat6 for RS232?
8. Is VGA and RS232 the same?
9. Which connector is most commonly associated with an RS232 interface?
10. What is a RS-232 pinout?
11. What is the difference between RS-232 and RS485?
12. What is an RS 485 connection?
13. What is a DTE cable?
14. Who introduced RS232?
15. How do I connect DTE to DTE?

Are there different types of RS232?

The RS-232 specification defines two types of serial devices, DTE and DCE. DTE normally refers to the serial port on a PC or terminal, while DCE refers to a modem or other type of communications device.

What type of connector would an RS232 cable use?

The original pin layout for RS232 was developed for a 25 pins sub D connector. Since the IBM-AT, 9 pins RS232 connectors are commonly used. In mixed applications, a 9 to 25 pins converter can be used to connect connectors of different sizes.

What are the RS232 connectors?

RS232 connector is a port used for data exchange between equipments. It was designed for data exchange between DTE (Data Terminal Equipment) or PC and DCE (Data Communication Equipment) or MODEM.

Is a printer DTE or DCE?

A DTE device is "Data Terminal Equipment", this includes Computers, Serial Printers, PLC's, Video Cameras, Video Recorders, Video Editors, and most devices which are not used to extend communications. Think COMPUTER for DTE. What devices have DCE type RS-232 ports?

Is RS232 analog or digital?

It output is digital but, not as TTL or CMOS standard. It s output signal varies between +10 to -10 voltage.

What are RS232 voltage levels?

The two differ solely at a hardware level. By the RS-232 standard a logic high ('1') is represented by a negative voltage – anywhere from -3 to -25V – while a logic low ('0') transmits a positive voltage that can be anywhere from +3 to +25V. On most PCs these signals swing from -13 to +13V.

Can I use cat6 for RS232?

This is one of the many examples of wire being used that is not spec for the protocol. The spec might be a bit tight since I've seen all kinds of cases of running rs232 long distances over cat 5 or cat6 just fine.

Is VGA and RS232 the same?

VGA is a graphics interface which uses RGB analog signals as video output. It's technical name is DE15 connector. The common name of RS232 connector is SERIAL PORT. This connector is basically used to connect various components to the PC like mice, printers etc.

Which connector is most commonly associated with an RS232 interface?

Connectors and Signals

RS-232 devices are either DTE or DCE devices. Computer terminals are usually equipped with male connectors with DTE pin functions, while modems have female connectors with DCE pin functions.

What is a RS-232 pinout?

RS-232 cables

An RS232 null modem pinout links the Tx pin of a male connector with the Rx pin on an RS232 female and the Rx male's pin to the female's Tx pin. Using the RS232 protocol you can connect two computers that do not have modems by using a null modem cable.

What is the difference between RS-232 and RS485?

RS232 is more than able to perform for a short distance and low data speed requirements. RS232 has a transmission speed of 1Mb/s up to 15M. However, RS485 has a data transmission speed of up to 10Mb/s for a distance of 15M. At the maximum of 1200M, RS485 transmits at 100Kb/s.

What is an RS 485 connection?

RS-485 is an industrial specification that defines the electrical interface and physical layer for point-to-point communication of electrical devices. The RS-485 standard allows for long cabling distances in electrically noisy environments and can support multiple devices on the same bus.

What is a DTE cable?

DTE stands for Data Terminal Equipment, and DCE stands for Data Communications Equipment. ... Therefore, a straight through "one to one" cable is all that is necessary between a modem and a standard DTE serial port.

Who introduced RS232?

RS-232 was first introduced in 1960 by the Electronic Industries Association (EIA) as a Recommended Standard. The original DTEs were electromechanical teletypewriters, and the original DCEs were (usually) modems.

How do I connect DTE to DTE?

Hence a direct PC to PC Ethernet connection can also be called a DTE to DTE communication. This communication is done via an Ethernet crossover cable as opposed to a PC to DCE (hub, switch, or bridge) communication which is done via an Ethernet straight cable.