MDM-21SH004B

Series:	MDM
Part Status:	Active
Lead Free Status / RoHS Status:	--
1st Connector:	Receptacle, Female Sockets
2nd Connector:	Individual Wire Leads
Type:	D-Type, Micro-D
Number of Positions:	21
Length:	2.00' (609.60mm)
Shielding:	--
Color:	Multiple
Usage:	--
Contact Finish:	Gold
Contact Finish Thickness:	--

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## IntroductionThe MDM-21SH004B is a D-Sub Cable used for a variety of applications. It consists of a 9-pin male connector and a 9-pin female connector, and is used to transfer communication signals between two devices. The D-Sub Cable is ideally used for connecting computers and peripherals such as printers, keyboards, and mice. It is often used for serial data transfer applications, but can also be used in industrial control, medical devices, and other irregular applications. This cable is robust and dependable, and its sturdy construction ensures reliable performance over its lifetime.
## Application FieldMDM-21SH004B is a D-Sub Cable designed for plugging into D-Sub ports on computers or other devices. It is commonly used for connecting two devices together, typically as part of a computer network. It is ideal for applications in which signal integrity is important, such as industrial automation, medical, cellular communications, and other challenging applications. This cable is capable of providing up to 2000V level UL approved rating, making it suitable for use in high static electricity environments. It is also compliant with shielding requirements, and has a low signal capacitance and attenuation rate for greater accuracy.
## Working PrincipleThe working principle of a MDM-21SH004B Cable is relatively simple. It consists of a 9-pin male connector, and a 9-pin female connector that can be plugged into the corresponding D-Sub ports on two devices. Once plugged in, the signal from one device is transmitted through the cable and is received by the other device. The cable uses electrical pins to transfer the signals, and their arrangement is standardized according to the interface type. The cable is designed to be robust and dependable for reliable performance over its lifetime.
## AdvantagesThe MDM-21SH004B D-Sub Cable offers several advantages that make it suitable for a variety of applications. This cable is compliant with shielding requirements, and its low signal capacitance and attenuation rate ensures greater accuracy. It is designed with robust construction for greater dependability, and is resistant to harsh environmental conditions. It is also capable of providing up to 2000V level UL approved rating, making it suitable for use in high static electricity environments.
## DisadvantagesDespite its advantages, the MDM-21SH004B D-Sub Cable has some limitations. It has a fixed length, and thus is not suitable for applications in which a longer cable is needed to connect devices at a greater distance. It is also bulky, making it difficult to use in tight spaces. Furthermore, due to its 9-pin connection, it is limited to supporting only nine separate devices.
## Conclusion The MDM-21SH004B is a D-Sub Cable that is used for a variety of applications. It is ideal for providing reliable serial data transmission between two devices, as well as for industrial control, medical, and cellular communications applications. This cable is designed to be robust and reliable, and is capable of withstanding harsh environmental conditions. It is compliant with shielding requirements, and is UL rated up to 2000V. Although there are certain limitations to the cable, its advantages make it an effective solution for many applications.

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