Can either be 25 pin or 9 pin?

The 25 pin male connector is pretty much the same as the 9 pin, it’s just bigger. Notice the COM ports, they are both DB-9 connectors, there is no more DB-25! The connector above the two blue COM ports is an LPT or Parallel port.

What is a 9 pin connector used for?

The DB9 connector is mainly used in serial ports, allowing asynchronous data transmission according to the RS-232 standard (RS-232C). Note that there are DB9-DB25 adapters that easily convert a DB9 socket to DB25 and vice versa.

What is a null modem adapter?

A null modem serial cable (frequently called a crossover cable) is used to connect two DTE devices together without the use of a DCE device in between. For this to happen, the Transmit (TXD) and Receive (RXD) pins on one of the serial connectors are flipped.

What is the difference between DB9 and DB25?

The D-sub connectors’ names are equivalent with the total number of pins that they can hold. For example, DB9 Series Cables contain 9 pins. However, in some cases, a DB25 connector has 4 to 5 loaded pins.E

Is DB9 same as RS-232?

DB9, for example, is a 9 pin connector for a serial cable. You can see one here. RS-232, on the other hand, refers to the standard itself. RS-232 (sometimes called EIA-232) describes how systems can communicate between each other using a serial cable.

Is rs232 and DB9 the same?

What is a de 9 port?

DE-9 (sometimes incorrectly called DB-9) is a D-shaped connector/port with two rows totaling 9 pins in an E-size connector. The top row has 5 pins, and the bottom row has 4 pins. Due to the fact that it is a serial port, transmission is done one bit at a time. Two types of DE-9 connectors exist.

What is a modem adapter used for?

It is a small device used to connect one PC to another through their communication ports or modem protocol. This communication is effected by the help of a serial cable known as the null modem cable.

Why are there male and female connectors?

Like all connectors, those used for USB have male and female versions to ensure that devices are mated in the correct direction . It is important to ensure that USB connections are made correctly and are able to follow the required protocols. To achieve this, USB remote devices have what is termed an upstream connection to a host.

What is the difference between connector and male?

Connector Terminology The vast majority of standard connector types have both a male and female variant, which join together to form a mated pair. Male connectors are known as plugs, and female connectors are referred to as jacks. Furthermore, the male contact is a pin, while the female contact is a socket.

What is a 9 pin connector?

9 pin mini-din male connector. This is the DIN connector, a member of a family of circular connectors that were initially standardized by Deutsches Institut fur Normung (DIN) for analog audio signals.

What is a female cable connector?

A female connector is a connector attached to a wire, cable, or piece of hardware, having one or more recessed holes with electrical terminals inside, and constructed in such a way that a plug with exposed conductors ( male connector ) can be inserted snugly into it to ensure a reliable physical and electrical connection .